🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.54 AU - 0.64 AU

Year: 297 Days

Day: 32.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.63 AU - 0.63 AU

Year: 328 Days

Day: 33.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.2

Radius: 10.6

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.68 AU - 0.76 AU

Year: 401 Days

Day: 9.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 42,971,182 km

• M1: 132,245 km (0.101 R)
• M2: 205,996 km (0.112 R)
• M3: 302,936 km (0.109 R)
• M4: 375,191 km (0.086 R)
• M5: 460,911 km (0.104 R)
• M6: 540,198 km (0.054 R)
• M7: 606,320 km (0.036 R)
• M8: 682,166 km (0.086 R)
• M9: 748,139 km (0.061 R)
• M10: 841,189 km (0.071 R)
• M11: 923,767 km (0.1 R)
• M12: 997,967 km (0.072 R)
• M13: 1,217,128 km (0.084 R)
• M14: 1,295,218 km (0.063 R)
• M15: 1,447,958 km (0.114 R)
• M16: 1,535,473 km (0.09 R)
• M17: 1,606,831 km (0.109 R)
• M18: 1,688,511 km (0.052 R)
• M19: 1,795,025 km (0.115 R)
• M20: 1,860,998 km (0.096 R)
• M21: 1,971,102 km (0.088 R)
• M22: 2,093,473 km (0.108 R)
• M23: 2,304,854 km (0.1 R)
• M24: 2,413,163 km (0.109 R)
• M25: 2,554,982 km (0.104 R)
• M26: 2,781,174 km (0.087 R)
• M27: 2,847,147 km (0.082 R)
• M28: 3,127,343 km (0.096 R)
• M29: 3,504,929 km (0.09 R)
• M30: 3,642,110 km (0.102 R)
• M31: 3,799,337 km (0.083 R)
• M32: 3,878,923 km (0.112 R)
• M33: 3,952,675 km (0.096 R)
• M34: 4,058,291 km (0.088 R)
• M35: 4,164,655 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.2

Radius: 13.5

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.66 AU - 1.08 AU

Year: 532 Days

Day: 11.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 42,971,182 km

• M1: 168,746 km (0.087 R)
• M2: 257,159 km (0.068 R)
• M3: 353,350 km (0.085 R)
• M4: 439,519 km (0.03 R)
• M5: 638,334 km (0.095 R)
• M6: 730,935 km (0.062 R)
• M7: 821,592 km (0.113 R)
• M8: 924,365 km (0.064 R)
• M9: 1,044,343 km (0.078 R)
• M10: 1,135,897 km (0.036 R)
• M11: 1,234,930 km (0.069 R)
• M12: 1,442,273 km (0.079 R)
• M13: 1,564,794 km (0.04 R)
• M14: 1,681,181 km (0.041 R)
• M15: 1,780,514 km (0.079 R)
• M16: 1,897,200 km (0.081 R)
• M17: 2,011,493 km (0.071 R)
• M18: 2,187,270 km (0.092 R)
• M19: 2,290,942 km (0.061 R)
• M20: 2,469,412 km (0.026 R)
• M21: 2,594,775 km (0.118 R)
• M22: 2,716,548 km (0.1 R)
• M23: 2,804,810 km (0.067 R)
• M24: 2,941,992 km (0.105 R)
• M25: 3,216,803 km (0.102 R)
• M26: 3,442,995 km (0.113 R)
• M27: 3,654,975 km (0.114 R)
• M28: 3,746,230 km (0.079 R)
• M29: 3,957,612 km (0.12 R)
• M30: 4,051,410 km (0.052 R)
• M31: 4,139,223 km (0.094 R)
• M32: 4,227,636 km (0.035 R)
• M33: 4,330,410 km (0.052 R)
• M34: 4,651,147 km (0.045 R)
• M35: 4,842,932 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.9

Radius: 14.3

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.98 AU - 1.06 AU

Year: 676 Days

Day: 14.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,971,182 km

• M1: 189,989 km (0.093 R)
• M2: 314,305 km (0.065 R)
• M3: 477,816 km (0.114 R)
• M4: 795,412 km (0.104 R)
• M5: 985,700 km (0.113 R)
• M6: 1,138,141 km (0.107 R)
• M7: 1,258,268 km (0.047 R)
• M8: 1,363,734 km (0.056 R)
• M9: 1,488,200 km (0.09 R)
• M10: 1,580,202 km (0.077 R)
• M11: 1,787,246 km (0.112 R)
• M12: 2,008,052 km (0.114 R)
• M13: 2,119,652 km (0.087 R)
• M14: 2,224,221 km (0.116 R)
• M15: 2,335,372 km (0.119 R)
• M16: 2,568,296 km (0.117 R)
• M17: 2,754,246 km (0.107 R)
• M18: 3,238,943 km (0.104 R)
• M19: 3,403,052 km (0.082 R)
• M20: 3,526,620 km (0.094 R)
• M21: 3,646,299 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.3

Radius: 10.5

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.86 AU - 2.8 AU

Year: 2333 Days

Day: 5.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 42,971,182 km

• M1: 181,761 km (0.061 R)
• M2: 286,031 km (0.066 R)
• M3: 363,074 km (0.06 R)
• M4: 501,153 km (0.094 R)
• M5: 601,084 km (0.086 R)
• M6: 759,209 km (0.105 R)
• M7: 938,278 km (0.101 R)
• M8: 1,026,840 km (0.078 R)
• M9: 1,289,085 km (0.09 R)
• M10: 1,359,845 km (0.032 R)
• M11: 1,664,276 km (0.118 R)
• M12: 1,749,547 km (0.036 R)
• M13: 1,941,182 km (0.101 R)
• M14: 2,106,338 km (0.114 R)
• M15: 2,216,143 km (0.101 R)
• M16: 2,406,431 km (0.101 R)
• M17: 2,620,207 km (0.118 R)
• M18: 2,692,911 km (0.037 R)
• M19: 2,877,665 km (0.088 R)
• M20: 3,066,607 km (0.049 R)
• M21: 3,153,074 km (0.11 R)
• M22: 3,250,014 km (0.106 R)
• M23: 3,407,241 km (0.093 R)
• M24: 3,678,462 km (0.066 R)
• M25: 4,093,147 km (0.097 R)
• M26: 4,370,801 km (0.088 R)
• M27: 4,468,339 km (0.085 R)
• M28: 4,743,150 km (0.039 R)
• M29: 5,125,821 km (0.08 R)
• M30: 5,217,375 km (0.11 R)
• M31: 5,577,158 km (0.095 R)
• M32: 5,695,041 km (0.116 R)
• M33: 5,849,426 km (0.089 R)
• M34: 5,993,190 km (0.067 R)
• M35: 6,138,150 km (0.101 R)
• M36: 6,259,773 km (0.095 R)
• M37: 6,530,396 km (0.116 R)
• M38: 6,629,729 km (0.116 R)
• M39: 6,905,587 km (0.082 R)
• M40: 7,032,147 km (0.101 R)
• M41: 7,352,137 km (0.067 R)
• M42: 7,546,465 km (0.093 R)
• M43: 7,624,704 km (0.035 R)
• M44: 8,059,585 km (0.072 R)
• M45: 8,126,156 km (0.045 R)
• M46: 8,260,046 km (0.115 R)
• M47: 8,381,071 km (0.079 R)
• M48: 9,356,449 km (0.052 R)
• M49: 9,440,523 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.7

Radius: 3.7

Gravity: 31.9 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.58 AU - 7.36 AU

Year: 9569 Days

Day: 18.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 42,971,182 km

• M1: 64,626 km (0.084 R)
• M2: 105,317 km (0.062 R)
• M3: 275,110 km (0.083 R)
• M4: 466,745 km (0.063 R)
• M5: 634,145 km (0.083 R)
• M6: 678,726 km (0.049 R)
• M7: 901,028 km (0.062 R)
• M8: 934,538 km (0.087 R)
• M9: 985,551 km (0.102 R)
• M10: 1,349,522 km (0.037 R)
• M11: 1,709,305 km (0.07 R)
• M12: 2,142,092 km (0.044 R)
• M13: 2,487,813 km (0.078 R)
• M14: 2,511,449 km (0.089 R)
• M15: 2,630,978 km (0.081 R)
• M16: 2,875,421 km (0.076 R)
• M17: 3,101,762 km (0.047 R)
• M18: 3,951,927 km (0.081 R)
• M19: 4,007,278 km (0.118 R)
• M20: 4,118,878 km (0.112 R)
• M21: 4,839,192 km (0.12 R)
• M22: 4,957,973 km (0.042 R)
• M23: 5,198,526 km (0.103 R)
• M24: 5,535,570 km (0.119 R)
• M25: 5,911,210 km (0.054 R)
• M26: 6,134,111 km (0.114 R)
• M27: 6,424,780 km (0.116 R)
• M28: 6,819,269 km (0.114 R)
• M29: 7,153,920 km (0.12 R)
• M30: 7,221,538 km (0.073 R)
• M31: 7,562,621 km (0.103 R)
• M32: 7,874,084 km (0.101 R)
• M33: 8,225,190 km (0.091 R)
• M34: 8,295,950 km (0.102 R)
• M35: 8,509,576 km (0.096 R)
• M36: 8,545,330 km (0.086 R)
• M37: 8,581,233 km (0.103 R)
• M38: 8,797,252 km (0.097 R)
• M39: 9,088,220 km (0.107 R)
• M40: 10,359,204 km (0.106 R)
• M41: 10,550,839 km (0.099 R)
• M42: 10,627,732 km (0.104 R)
• M43: 11,171,670 km (0.051 R)
• M44: 12,125,057 km (0.115 R)
• M45: 12,286,473 km (0.112 R)
• M46: 12,326,865 km (0.084 R)
• M47: 12,980,308 km (0.081 R)
• M48: 13,981,417 km (0.119 R)
• M49: 15,267,360 km (0.066 R)
• M50: 16,012,507 km (0.091 R)
• M51: 16,322,923 km (0.081 R)
• M52: 16,590,404 km (0.09 R)
• M53: 16,635,134 km (0.076 R)
• M54: 17,492,778 km (0.052 R)
• M55: 18,735,937 km (0.042 R)
• M56: 18,829,136 km (0.114 R)
• M57: 19,438,747 km (0.111 R)
• M58: 20,245,828 km (0.102 R)
• M59: 20,485,184 km (0.105 R)
• M60: 20,581,226 km (0.11 R)
• M61: 21,843,234 km (0.052 R)
• M62: 22,088,724 km (0.114 R)
• M63: 22,434,145 km (0.052 R)
• M64: 22,483,513 km (0.118 R)
• M65: 22,880,695 km (0.12 R)
• M66: 23,681,941 km (0.068 R)
• M67: 24,696,215 km (0.071 R)
• M68: 25,672,939 km (0.115 R)
• M69: 25,828,222 km (0.034 R)
• M70: 26,819,457 km (0.115 R)
• M71: 27,663,788 km (0.113 R)
• M72: 28,463,239 km (0.113 R)
• M73: 32,292,944 km (0.102 R)
• M74: 32,796,940 km (0.101 R)
• M75: 34,210,639 km (0.06 R)
• M76: 34,381,630 km (0.096 R)
• M77: 35,010,838 km (0.107 R)
• M78: 35,183,175 km (0.116 R)
• M79: 35,471,002 km (0.063 R)
• M80: 35,990,854 km (0.092 R)
• M81: 36,338,968 km (0.112 R)
• M82: 37,683,404 km (0.069 R)
• M83: 38,628,265 km (0.117 R)
• M84: 39,461,375 km (0.1 R)
• M85: 40,000,077 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426

Radius: 7

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.14 AU - 7.06 AU

Year: 9883 Days

Day: 18.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 42,971,182 km

• M1: 219,310 km (0.065 R)
• M2: 276,906 km (0.057 R)
• M3: 1,055,712 km (0.12 R)
• M4: 1,217,427 km (0.114 R)
• M5: 1,666,819 km (0.054 R)
• M6: 2,559,021 km (0.089 R)
• M7: 2,976,698 km (0.09 R)
• M8: 3,052,545 km (0.118 R)
• M9: 3,985,287 km (0.088 R)
• M10: 4,069,212 km (0.097 R)
• M11: 4,153,585 km (0.09 R)
• M12: 4,267,130 km (0.088 R)
• M13: 4,909,503 km (0.046 R)
• M14: 5,029,480 km (0.093 R)
• M15: 5,303,245 km (0.11 R)
• M16: 5,550,679 km (0.109 R)
• M17: 5,675,743 km (0.072 R)
• M18: 6,153,260 km (0.066 R)
• M19: 6,446,023 km (0.068 R)
• M20: 6,843,355 km (0.042 R)
• M21: 6,943,884 km (0.058 R)
• M22: 7,180,548 km (0.112 R)
• M23: 8,295,651 km (0.078 R)
• M24: 8,546,826 km (0.108 R)
• M25: 8,764,042 km (0.116 R)
• M26: 8,946,401 km (0.085 R)
• M27: 9,389,361 km (0.114 R)
• M28: 10,955,950 km (0.025 R)
• M29: 11,152,372 km (0.046 R)
• M30: 11,548,956 km (0.102 R)
• M31: 11,789,210 km (0.112 R)
• M32: 12,683,955 km (0.103 R)
• M33: 13,306,431 km (0.1 R)
• M34: 13,769,287 km (0.033 R)
• M35: 14,624,239 km (0.078 R)
• M36: 14,927,624 km (0.117 R)
• M37: 15,101,755 km (0.11 R)
• M38: 15,232,953 km (0.088 R)
• M39: 15,717,051 km (0.074 R)
• M40: 16,072,197 km (0.077 R)
• M41: 16,161,507 km (0.115 R)
• M42: 16,971,878 km (0.112 R)
• M43: 17,749,339 km (0.077 R)
• M44: 19,386,238 km (0.094 R)
• M45: 19,576,377 km (0.089 R)
• M46: 20,102,363 km (0.031 R)
• M47: 21,757,664 km (0.092 R)
• M48: 21,856,399 km (0.119 R)
• M49: 23,203,827 km (0.11 R)
• M50: 23,304,655 km (0.071 R)
• M51: 23,355,070 km (0.037 R)
• M52: 23,506,762 km (0.097 R)
• M53: 24,577,883 km (0.088 R)
• M54: 26,292,723 km (0.106 R)
• M55: 27,138,101 km (0.12 R)
• M56: 27,617,413 km (0.037 R)
• M57: 27,777,931 km (0.065 R)
• M58: 28,530,558 km (0.114 R)
• M59: 28,638,717 km (0.118 R)
• M60: 30,552,074 km (0.104 R)
• M61: 31,217,635 km (0.085 R)
• M62: 32,000,032 km (0.086 R)
• M63: 32,675,765 km (0.064 R)
• M64: 33,242,592 km (0.084 R)
• M65: 33,413,283 km (0.073 R)
• M66: 33,527,127 km (0.12 R)
• M67: 33,984,148 km (0.109 R)
• M68: 35,135,753 km (0.083 R)
• M69: 36,066,251 km (0.115 R)
• M70: 36,593,135 km (0.097 R)
• M71: 37,477,109 km (0.068 R)
• M72: 38,308,424 km (0.114 R)
• M73: 38,606,722 km (0.116 R)
• M74: 38,786,240 km (0.109 R)
• M75: 39,145,873 km (0.06 R)
• M76: 39,626,980 km (0.045 R)
• M77: 39,989,156 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.2

Radius: 7.1

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.84 AU - 7.82 AU

Year: 13019 Days

Day: 20.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 42,971,182 km

• M1: 151,842 km (0.093 R)
• M2: 237,861 km (0.092 R)
• M3: 656,585 km (0.09 R)
• M4: 832,063 km (0.09 R)
• M5: 951,592 km (0.089 R)
• M6: 1,113,756 km (0.045 R)
• M7: 1,485,208 km (0.115 R)
• M8: 1,589,178 km (0.116 R)
• M9: 2,029,146 km (0.118 R)
• M10: 2,988,666 km (0.097 R)
• M11: 3,227,724 km (0.063 R)
• M12: 3,611,891 km (0.086 R)
• M13: 4,010,420 km (0.052 R)
• M14: 4,543,587 km (0.065 R)
• M15: 4,665,060 km (0.078 R)
• M16: 4,818,398 km (0.106 R)
• M17: 5,161,875 km (0.099 R)
• M18: 6,510,051 km (0.064 R)
• M19: 6,994,149 km (0.089 R)
• M20: 7,454,163 km (0.119 R)
• M21: 7,525,820 km (0.06 R)
• M22: 7,778,341 km (0.043 R)
• M23: 7,960,402 km (0.075 R)
• M24: 8,217,561 km (0.083 R)
• M25: 8,403,062 km (0.106 R)
• M26: 8,552,510 km (0.104 R)
• M27: 9,005,792 km (0.114 R)
• M28: 10,412,311 km (0.057 R)
• M29: 10,653,313 km (0.114 R)
• M30: 10,734,096 km (0.068 R)
• M31: 10,896,260 km (0.106 R)
• M32: 10,977,641 km (0.112 R)
• M33: 11,141,002 km (0.079 R)
• M34: 11,346,251 km (0.068 R)
• M35: 11,677,311 km (0.08 R)
• M36: 12,518,948 km (0.112 R)
• M37: 13,554,614 km (0.096 R)
• M38: 14,662,237 km (0.102 R)
• M39: 14,752,145 km (0.069 R)
• M40: 14,932,411 km (0.09 R)
• M41: 15,340,813 km (0.07 R)
• M42: 15,569,249 km (0.059 R)
• M43: 16,307,813 km (0.113 R)
• M44: 16,447,538 km (0.098 R)
• M45: 16,587,711 km (0.112 R)
• M46: 16,869,105 km (0.077 R)
• M47: 17,105,021 km (0.072 R)
• M48: 17,152,293 km (0.114 R)
• M49: 17,532,122 km (0.033 R)
• M50: 17,579,844 km (0.054 R)
• M51: 17,627,566 km (0.111 R)
• M52: 19,128,332 km (0.115 R)
• M53: 19,769,807 km (0.085 R)
• M54: 21,073,852 km (0.114 R)
• M55: 22,044,293 km (0.101 R)
• M56: 22,561,004 km (0.096 R)
• M57: 22,820,706 km (0.078 R)
• M58: 23,764,220 km (0.117 R)
• M59: 23,869,836 km (0.101 R)
• M60: 24,347,053 km (0.082 R)
• M61: 24,613,487 km (0.119 R)
• M62: 27,220,529 km (0.082 R)
• M63: 27,885,791 km (0.111 R)
• M64: 28,220,591 km (0.067 R)
• M65: 30,887,921 km (0.031 R)
• M66: 31,176,346 km (0.076 R)
• M67: 31,349,879 km (0.118 R)
• M68: 32,573,440 km (0.113 R)
• M69: 32,808,309 km (0.088 R)
• M70: 32,984,835 km (0.11 R)
• M71: 33,161,659 km (0.033 R)
• M72: 33,397,874 km (0.119 R)
• M73: 33,812,560 km (0.1 R)
• M74: 34,229,040 km (0.063 R)
• M75: 34,348,419 km (0.117 R)
• M76: 34,826,983 km (0.083 R)
• M77: 35,307,790 km (0.083 R)
• M78: 36,215,251 km (0.11 R)
• M79: 37,314,346 km (0.073 R)
• M80: 37,929,643 km (0.041 R)
• M81: 38,672,396 km (0.061 R)
• M82: 39,858,258 km (0.049 R)
• M83: 40,298,076 km (0.066 R)
• M84: 41,882,317 km (0.045 R)
• M85: 42,201,559 km (0.116 R)
• M86: 42,649,904 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 14,233 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit