🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.58 AU - 0.64 AU

Year: 308 Days

Day: 33.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.54 AU - 0.68 AU

Year: 308 Days

Day: 42.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.7

Radius: 12.6

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.7 AU - 0.94 AU

Year: 479 Days

Day: 7.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 29,366,983 km

• M1: 157,826 km (0.102 R)
• M2: 240,703 km (0.104 R)
• M3: 322,683 km (0.12 R)
• M4: 479,162 km (0.092 R)
• M5: 557,701 km (0.076 R)
• M6: 638,633 km (0.064 R)
• M7: 774,019 km (0.03 R)
• M8: 873,801 km (0.107 R)
• M9: 1,068,578 km (0.117 R)
• M10: 1,189,602 km (0.104 R)
• M11: 1,399,189 km (0.078 R)
• M12: 1,480,570 km (0.099 R)
• M13: 1,603,540 km (0.066 R)
• M14: 1,739,225 km (0.066 R)
• M15: 1,897,948 km (0.108 R)
• M16: 2,155,107 km (0.025 R)
• M17: 2,255,188 km (0.059 R)
• M18: 2,398,054 km (0.064 R)
• M19: 2,512,347 km (0.047 R)
• M20: 2,633,970 km (0.107 R)
• M21: 2,773,844 km (0.105 R)
• M22: 2,899,805 km (0.088 R)
• M23: 3,089,346 km (0.062 R)
• M24: 3,254,502 km (0.107 R)
• M25: 3,410,831 km (0.09 R)
• M26: 3,552,052 km (0.103 R)
• M27: 3,713,169 km (0.101 R)
• M28: 3,944,148 km (0.059 R)
• M29: 4,111,099 km (0.098 R)
• M30: 4,401,169 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292

Radius: 12.5

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.16 AU - 1.38 AU

Year: 924 Days

Day: 11.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 29,366,983 km

• M1: 157,227 km (0.098 R)
• M2: 246,088 km (0.105 R)
• M3: 328,068 km (0.067 R)
• M4: 482,154 km (0.104 R)
• M5: 566,378 km (0.1 R)
• M6: 648,058 km (0.056 R)
• M7: 762,650 km (0.041 R)
• M8: 864,975 km (0.057 R)
• M9: 1,052,271 km (0.084 R)
• M10: 1,179,430 km (0.085 R)
• M11: 1,407,267 km (0.106 R)
• M12: 1,517,521 km (0.034 R)
• M13: 1,611,767 km (0.05 R)
• M14: 1,773,333 km (0.098 R)
• M15: 1,926,970 km (0.082 R)
• M16: 2,120,101 km (0.095 R)
• M17: 2,233,496 km (0.043 R)
• M18: 2,327,144 km (0.058 R)
• M19: 2,444,280 km (0.107 R)
• M20: 2,578,469 km (0.1 R)
• M21: 2,799,874 km (0.096 R)
• M22: 3,051,647 km (0.101 R)
• M23: 3,220,992 km (0.118 R)
• M24: 3,327,356 km (0.104 R)
• M25: 3,468,277 km (0.042 R)
• M26: 3,636,724 km (0.097 R)
• M27: 3,816,541 km (0.1 R)
• M28: 3,964,344 km (0.054 R)
• M29: 4,265,634 km (0.101 R)
• M30: 4,419,121 km (0.094 R)
• M31: 4,510,226 km (0.101 R)
• M32: 4,611,354 km (0.098 R)
• M33: 4,722,356 km (0.046 R)
• M34: 5,013,623 km (0.104 R)
• M35: 5,204,510 km (0.055 R)
• M36: 5,339,746 km (0.117 R)
• M37: 5,446,709 km (0.083 R)
• M38: 5,643,131 km (0.063 R)
• M39: 5,732,291 km (0.095 R)
• M40: 6,043,156 km (0.07 R)
• M41: 6,256,931 km (0.099 R)
• M42: 6,380,200 km (0.081 R)
• M43: 6,473,100 km (0.062 R)
• M44: 6,670,868 km (0.104 R)
• M45: 6,828,544 km (0.117 R)
• M46: 6,934,310 km (0.069 R)
• M47: 7,243,978 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.6

Radius: 12.8

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.41 AU - 1.49 AU

Year: 1127 Days

Day: 9.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 29,366,983 km

• M1: 159,322 km (0.053 R)
• M2: 268,379 km (0.083 R)
• M3: 368,908 km (0.114 R)
• M4: 489,335 km (0.078 R)
• M5: 630,555 km (0.043 R)
• M6: 993,180 km (0.062 R)
• M7: 1,190,949 km (0.081 R)
• M8: 1,292,226 km (0.084 R)
• M9: 1,498,223 km (0.115 R)
• M10: 1,649,765 km (0.047 R)
• M11: 1,911,861 km (0.115 R)
• M12: 2,109,480 km (0.066 R)
• M13: 2,214,198 km (0.109 R)
• M14: 2,381,449 km (0.109 R)
• M15: 2,615,719 km (0.049 R)
• M16: 2,886,641 km (0.119 R)
• M17: 3,287,563 km (0.069 R)
• M18: 3,432,972 km (0.048 R)
• M19: 3,596,183 km (0.114 R)
• M20: 3,817,887 km (0.045 R)
• M21: 4,192,032 km (0.031 R)
• M22: 4,316,497 km (0.093 R)
• M23: 4,535,508 km (0.06 R)
• M24: 4,844,727 km (0.086 R)
• M25: 4,931,943 km (0.079 R)
• M26: 5,072,415 km (0.098 R)
• M27: 5,160,977 km (0.115 R)
• M28: 5,321,645 km (0.039 R)
• M29: 5,483,959 km (0.061 R)
• M30: 5,584,040 km (0.065 R)
• M31: 5,749,046 km (0.101 R)
• M32: 5,887,873 km (0.082 R)
• M33: 5,971,648 km (0.088 R)
• M34: 6,320,360 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.6

Radius: 9.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.19 AU - 2.43 AU

Year: 2267 Days

Day: 9.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 29,366,983 km

• M1: 131,796 km (0.101 R)
• M2: 330,462 km (0.09 R)
• M3: 404,513 km (0.077 R)
• M4: 468,092 km (0.088 R)
• M5: 563,984 km (0.071 R)
• M6: 647,160 km (0.076 R)
• M7: 843,882 km (0.102 R)
• M8: 1,122,134 km (0.118 R)
• M9: 1,223,561 km (0.105 R)
• M10: 1,301,651 km (0.047 R)
• M11: 1,497,624 km (0.1 R)
• M12: 1,696,290 km (0.113 R)
• M13: 1,888,374 km (0.097 R)
• M14: 2,095,717 km (0.107 R)
• M15: 2,174,405 km (0.044 R)
• M16: 2,326,696 km (0.09 R)
• M17: 2,424,682 km (0.094 R)
• M18: 2,515,787 km (0.036 R)
• M19: 2,591,185 km (0.11 R)
• M20: 2,684,384 km (0.072 R)
• M21: 2,856,871 km (0.116 R)
• M22: 3,041,923 km (0.068 R)
• M23: 3,460,947 km (0.04 R)
• M24: 3,629,992 km (0.051 R)
• M25: 3,744,285 km (0.1 R)
• M26: 3,879,073 km (0.093 R)
• M27: 3,966,588 km (0.088 R)
• M28: 4,035,103 km (0.083 R)
• M29: 4,203,251 km (0.117 R)
• M30: 4,333,402 km (0.106 R)
• M31: 4,424,207 km (0.034 R)
• M32: 4,536,256 km (0.115 R)
• M33: 4,649,053 km (0.094 R)
• M34: 4,742,253 km (0.098 R)
• M35: 4,877,788 km (0.071 R)
• M36: 4,993,427 km (0.074 R)
• M37: 5,088,871 km (0.097 R)
• M38: 5,270,632 km (0.079 R)
• M39: 5,389,413 km (0.098 R)
• M40: 5,520,161 km (0.081 R)
• M41: 5,829,081 km (0.118 R)
• M42: 6,245,861 km (0.083 R)
• M43: 6,360,303 km (0.112 R)
• M44: 6,486,863 km (0.039 R)
• M45: 6,556,276 km (0.114 R)
• M46: 6,672,514 km (0.07 R)
• M47: 6,742,526 km (0.112 R)
• M48: 6,918,752 km (0.059 R)
• M49: 7,025,266 km (0.094 R)
• M50: 7,216,003 km (0.107 R)
• M51: 7,835,188 km (0.067 R)
• M52: 8,107,606 km (0.099 R)
• M53: 8,219,954 km (0.093 R)
• M54: 8,282,636 km (0.111 R)
• M55: 8,446,296 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.5

Radius: 13.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.94 AU - 5.68 AU

Year: 6811 Days

Day: 9.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 29,366,983 km

• M1: 176,974 km (0.073 R)
• M2: 320,887 km (0.111 R)
• M3: 419,772 km (0.064 R)
• M4: 515,365 km (0.118 R)
• M5: 681,867 km (0.077 R)
• M6: 868,715 km (0.086 R)
• M7: 1,048,980 km (0.073 R)
• M8: 1,577,510 km (0.073 R)
• M9: 1,665,922 km (0.088 R)
• M10: 1,910,215 km (0.045 R)
• M11: 2,282,265 km (0.105 R)
• M12: 2,451,311 km (0.098 R)
• M13: 2,712,957 km (0.109 R)
• M14: 3,020,680 km (0.084 R)
• M15: 3,909,890 km (0.098 R)
• M16: 4,011,317 km (0.041 R)
• M17: 4,216,865 km (0.118 R)
• M18: 4,724,301 km (0.086 R)
• M19: 4,876,143 km (0.099 R)
• M20: 5,296,213 km (0.114 R)
• M21: 5,659,287 km (0.096 R)
• M22: 5,867,079 km (0.065 R)
• M23: 6,577,968 km (0.095 R)
• M24: 6,674,907 km (0.081 R)
• M25: 7,542,874 km (0.08 R)
• M26: 7,900,114 km (0.114 R)
• M27: 8,029,067 km (0.101 R)
• M28: 8,262,889 km (0.095 R)
• M29: 8,367,607 km (0.114 R)
• M30: 8,472,775 km (0.072 R)
• M31: 8,737,413 km (0.108 R)
• M32: 8,924,411 km (0.055 R)
• M33: 9,112,754 km (0.095 R)
• M34: 9,493,331 km (0.118 R)
• M35: 10,102,045 km (0.105 R)
• M36: 10,326,442 km (0.092 R)
• M37: 10,524,360 km (0.1 R)
• M38: 10,666,328 km (0.106 R)
• M39: 10,895,063 km (0.113 R)
• M40: 11,009,954 km (0.079 R)
• M41: 12,241,145 km (0.076 R)
• M42: 12,570,709 km (0.11 R)
• M43: 12,964,151 km (0.066 R)
• M44: 13,608,170 km (0.036 R)
• M45: 14,357,057 km (0.08 R)
• M46: 15,408,730 km (0.096 R)
• M47: 16,025,373 km (0.094 R)
• M48: 16,254,706 km (0.097 R)
• M49: 17,182,662 km (0.047 R)
• M50: 17,619,338 km (0.111 R)
• M51: 17,991,687 km (0.096 R)
• M52: 18,195,888 km (0.066 R)
• M53: 18,847,686 km (0.102 R)
• M54: 19,159,149 km (0.054 R)
• M55: 19,298,125 km (0.089 R)
• M56: 19,542,119 km (0.07 R)
• M57: 19,646,988 km (0.073 R)
• M58: 19,857,322 km (0.081 R)
• M59: 20,492,814 km (0.101 R)
• M60: 20,670,536 km (0.096 R)
• M61: 21,820,046 km (0.112 R)
• M62: 21,928,804 km (0.102 R)
• M63: 23,101,053 km (0.119 R)
• M64: 23,545,807 km (0.052 R)
• M65: 24,030,953 km (0.079 R)
• M66: 24,255,948 km (0.087 R)
• M67: 24,443,993 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.1

Radius: 11.4

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.73 AU - 4.91 AU

Year: 6833 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 29,366,983 km

• M1: 212,728 km (0.093 R)
• M2: 294,409 km (0.107 R)
• M3: 373,247 km (0.107 R)
• M4: 474,076 km (0.09 R)
• M5: 599,588 km (0.098 R)
• M6: 723,455 km (0.086 R)
• M7: 982,708 km (0.092 R)
• M8: 1,132,456 km (0.108 R)
• M9: 1,786,947 km (0.104 R)
• M10: 1,930,411 km (0.113 R)
• M11: 2,185,774 km (0.101 R)
• M12: 2,776,387 km (0.113 R)
• M13: 3,065,410 km (0.075 R)
• M14: 3,646,747 km (0.117 R)
• M15: 3,910,189 km (0.099 R)
• M16: 4,455,773 km (0.119 R)
• M17: 4,539,847 km (0.109 R)
• M18: 5,558,010 km (0.035 R)
• M19: 5,923,178 km (0.05 R)
• M20: 6,170,912 km (0.065 R)
• M21: 6,740,880 km (0.048 R)
• M22: 7,560,377 km (0.113 R)
• M23: 7,795,545 km (0.091 R)
• M24: 8,067,215 km (0.036 R)
• M25: 8,411,290 km (0.087 R)
• M26: 8,619,979 km (0.073 R)
• M27: 8,830,463 km (0.116 R)
• M28: 9,436,185 km (0.086 R)
• M29: 9,508,291 km (0.082 R)
• M30: 9,580,696 km (0.096 R)
• M31: 9,653,102 km (0.044 R)
• M32: 10,351,125 km (0.068 R)
• M33: 10,650,022 km (0.117 R)
• M34: 11,103,453 km (0.09 R)
• M35: 11,409,381 km (0.088 R)
• M36: 11,486,274 km (0.11 R)
• M37: 12,107,853 km (0.059 R)
• M38: 13,262,150 km (0.08 R)
• M39: 13,586,778 km (0.104 R)
• M40: 13,668,458 km (0.116 R)
• M41: 14,037,516 km (0.061 R)
• M42: 14,827,393 km (0.109 R)
• M43: 14,953,504 km (0.1 R)
• M44: 15,546,510 km (0.11 R)
• M45: 16,060,827 km (0.102 R)
• M46: 16,147,145 km (0.079 R)
• M47: 16,886,757 km (0.072 R)
• M48: 17,194,630 km (0.096 R)
• M49: 17,371,305 km (0.106 R)
• M50: 17,682,020 km (0.116 R)
• M51: 17,815,760 km (0.088 R)
• M52: 18,806,696 km (0.074 R)
• M53: 18,897,652 km (0.046 R)
• M54: 19,125,789 km (0.077 R)
• M55: 20,186,587 km (0.071 R)
• M56: 20,513,309 km (0.07 R)
• M57: 21,789,827 km (0.107 R)
• M58: 21,981,014 km (0.079 R)
• M59: 22,365,330 km (0.089 R)
• M60: 22,897,300 km (0.117 R)
• M61: 24,617,676 km (0.068 R)
• M62: 24,866,906 km (0.078 R)
• M63: 26,583,242 km (0.103 R)
• M64: 27,249,551 km (0.089 R)
• M65: 27,869,635 km (0.1 R)
• M66: 28,389,786 km (0.095 R)
• M67: 28,494,206 km (0.041 R)
• M68: 29,334,347 km (0.118 R)
• M69: 29,492,771 km (0.079 R)
• M70: 30,022,797 km (0.104 R)
• M71: 31,146,277 km (0.106 R)
• M72: 32,556,237 km (0.032 R)
• M73: 33,544,630 km (0.108 R)
• M74: 33,876,288 km (0.076 R)
• M75: 35,157,594 km (0.11 R)
• M76: 35,663,235 km (0.111 R)
• M77: 36,397,910 km (0.088 R)
• M78: 38,170,046 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.2

Radius: 7.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.47 AU - 7.91 AU

Year: 11173 Days

Day: 22.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 29,366,983 km

• M1: 115,490 km (0.073 R)
• M2: 217,216 km (0.103 R)
• M3: 319,990 km (0.034 R)
• M4: 568,472 km (0.101 R)
• M5: 807,230 km (0.12 R)
• M6: 1,020,257 km (0.107 R)
• M7: 1,450,800 km (0.039 R)
• M8: 1,950,457 km (0.074 R)
• M9: 2,092,276 km (0.097 R)
• M10: 2,219,135 km (0.1 R)
• M11: 2,329,987 km (0.084 R)
• M12: 2,831,439 km (0.042 R)
• M13: 3,135,721 km (0.035 R)
• M14: 3,471,867 km (0.066 R)
• M15: 3,731,569 km (0.116 R)
• M16: 4,020,144 km (0.105 R)
• M17: 4,178,568 km (0.083 R)
• M18: 4,737,166 km (0.111 R)
• M19: 4,784,738 km (0.092 R)
• M20: 5,543,200 km (0.095 R)
• M21: 6,312,282 km (0.093 R)
• M22: 6,417,300 km (0.091 R)
• M23: 7,251,458 km (0.098 R)
• M24: 7,472,114 km (0.054 R)
• M25: 8,005,431 km (0.115 R)
• M26: 8,090,702 km (0.09 R)
• M27: 8,176,272 km (0.106 R)
• M28: 10,073,621 km (0.084 R)
• M29: 10,134,957 km (0.059 R)
• M30: 10,350,826 km (0.081 R)
• M31: 10,850,184 km (0.102 R)
• M32: 11,293,442 km (0.112 R)
• M33: 11,357,171 km (0.102 R)
• M34: 11,969,475 km (0.029 R)
• M35: 12,295,898 km (0.114 R)
• M36: 12,758,006 km (0.115 R)
• M37: 13,024,589 km (0.089 R)
• M38: 13,292,968 km (0.092 R)
• M39: 13,563,291 km (0.12 R)
• M40: 13,665,167 km (0.078 R)
• M41: 13,869,518 km (0.108 R)
• M42: 14,143,731 km (0.039 R)
• M43: 14,246,953 km (0.077 R)
• M44: 14,315,918 km (0.085 R)
• M45: 14,697,243 km (0.118 R)
• M46: 14,871,824 km (0.094 R)
• M47: 15,046,853 km (0.083 R)
• M48: 15,647,488 km (0.076 R)
• M49: 15,825,660 km (0.048 R)
• M50: 16,004,579 km (0.105 R)
• M51: 16,872,246 km (0.113 R)
• M52: 17,201,511 km (0.085 R)
• M53: 17,385,517 km (0.112 R)
• M54: 17,940,973 km (0.071 R)
• M55: 18,314,669 km (0.095 R)
• M56: 18,615,361 km (0.097 R)
• M57: 18,728,606 km (0.102 R)
• M58: 18,879,850 km (0.057 R)
• M59: 18,955,696 km (0.095 R)
• M60: 19,336,123 km (0.107 R)
• M61: 20,182,099 km (0.087 R)
• M62: 20,961,654 km (0.081 R)
• M63: 21,197,420 km (0.094 R)
• M64: 21,751,082 km (0.077 R)
• M65: 23,074,724 km (0.072 R)
• M66: 23,766,763 km (0.071 R)
• M67: 24,630,990 km (0.118 R)
• M68: 25,212,926 km (0.096 R)
• M69: 26,474,934 km (0.108 R)
• M70: 26,900,240 km (0.114 R)
• M71: 27,284,856 km (0.106 R)
• M72: 27,671,417 km (0.103 R)
• M73: 27,800,520 km (0.088 R)
• M74: 28,667,290 km (0.057 R)
• M75: 29,016,452 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 10,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit