🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.54 AU - 0.56 AU

Year: 263 Days

Day: 46.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.7

Radius: 8.4

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.55 AU - 0.89 AU

Year: 394 Days

Day: 8.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 52,808,179 km

• M1: 104,569 km (0.119 R)
• M2: 162,164 km (0.053 R)
• M3: 242,498 km (0.062 R)
• M4: 307,573 km (0.063 R)
• M5: 360,381 km (0.103 R)
• M6: 471,981 km (0.099 R)
• M7: 627,563 km (0.042 R)
• M8: 692,040 km (0.113 R)
• M9: 824,883 km (0.103 R)
• M10: 918,381 km (0.041 R)
• M11: 992,731 km (0.12 R)
• M12: 1,116,150 km (0.094 R)
• M13: 1,220,419 km (0.043 R)
• M14: 1,307,037 km (0.068 R)
• M15: 1,417,141 km (0.106 R)
• M16: 1,526,197 km (0.083 R)
• M17: 1,624,334 km (0.11 R)
• M18: 1,715,588 km (0.035 R)
• M19: 1,803,851 km (0.1 R)
• M20: 1,927,120 km (0.097 R)
• M21: 2,009,249 km (0.086 R)
• M22: 2,097,512 km (0.113 R)
• M23: 2,192,058 km (0.117 R)
• M24: 2,293,335 km (0.057 R)
• M25: 2,406,431 km (0.03 R)
• M26: 2,479,286 km (0.079 R)
• M27: 2,531,944 km (0.042 R)
• M28: 2,627,537 km (0.054 R)
• M29: 2,686,628 km (0.053 R)
• M30: 2,762,325 km (0.108 R)
• M31: 2,927,182 km (0.117 R)
• M32: 3,022,027 km (0.097 R)
• M33: 3,083,960 km (0.082 R)
• M34: 3,140,658 km (0.072 R)
• M35: 3,347,552 km (0.113 R)
• M36: 3,405,895 km (0.105 R)
• M37: 3,482,190 km (0.091 R)
• M38: 3,750,718 km (0.11 R)
• M39: 3,866,207 km (0.115 R)
• M40: 3,921,259 km (0.074 R)
• M41: 3,995,161 km (0.084 R)
• M42: 4,050,811 km (0.08 R)
• M43: 4,144,310 km (0.111 R)
• M44: 4,238,556 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.9

Radius: 14

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.72 AU - 1 AU

Year: 515 Days

Day: 5.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,808,179 km

• M1: 176,226 km (0.068 R)
• M2: 271,221 km (0.087 R)
• M3: 365,019 km (0.097 R)
• M4: 471,383 km (0.104 R)
• M5: 563,386 km (0.111 R)
• M6: 686,654 km (0.071 R)
• M7: 803,939 km (0.104 R)
• M8: 1,070,672 km (0.093 R)
• M9: 1,336,358 km (0.077 R)
• M10: 1,456,186 km (0.066 R)
• M11: 1,552,676 km (0.069 R)
• M12: 1,651,560 km (0.061 R)
• M13: 1,747,004 km (0.098 R)
• M14: 1,920,238 km (0.05 R)
• M15: 2,123,542 km (0.109 R)
• M16: 2,246,661 km (0.087 R)
• M17: 2,743,475 km (0.052 R)
• M18: 3,015,145 km (0.05 R)
• M19: 3,154,421 km (0.082 R)
• M20: 3,288,760 km (0.076 R)
• M21: 3,490,268 km (0.034 R)
• M22: 3,592,593 km (0.098 R)
• M23: 3,703,445 km (0.065 R)
• M24: 4,081,030 km (0.087 R)
• M25: 4,259,051 km (0.107 R)
• M26: 4,439,766 km (0.093 R)
• M27: 4,566,924 km (0.091 R)
• M28: 4,655,037 km (0.118 R)
• M29: 4,784,290 km (0.028 R)
• M30: 4,873,899 km (0.088 R)
• M31: 5,229,493 km (0.085 R)
• M32: 5,380,886 km (0.103 R)
• M33: 5,525,248 km (0.033 R)
• M34: 5,748,448 km (0.068 R)
• M35: 5,861,245 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.1

Radius: 13.4

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.05 AU - 1.23 AU

Year: 786 Days

Day: 12.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 52,808,179 km

• M1: 205,996 km (0.098 R)
• M2: 299,495 km (0.114 R)
• M3: 401,221 km (0.104 R)
• M4: 515,963 km (0.086 R)
• M5: 616,343 km (0.098 R)
• M6: 704,606 km (0.094 R)
• M7: 797,805 km (0.04 R)
• M8: 907,161 km (0.085 R)
• M9: 1,099,694 km (0.09 R)
• M10: 1,192,145 km (0.102 R)
• M11: 1,306,737 km (0.119 R)
• M12: 1,425,219 km (0.106 R)
• M13: 1,547,590 km (0.035 R)
• M14: 1,759,869 km (0.063 R)
• M15: 2,397,306 km (0.114 R)
• M16: 2,503,520 km (0.051 R)
• M17: 2,594,625 km (0.098 R)
• M18: 2,703,682 km (0.113 R)
• M19: 2,961,589 km (0.111 R)
• M20: 3,075,882 km (0.078 R)
• M21: 3,409,485 km (0.072 R)
• M22: 3,585,412 km (0.073 R)
• M23: 3,745,482 km (0.098 R)
• M24: 3,956,116 km (0.115 R)
• M25: 4,092,250 km (0.087 R)
• M26: 4,180,662 km (0.103 R)
• M27: 4,409,397 km (0.107 R)
• M28: 4,530,422 km (0.118 R)
• M29: 4,662,816 km (0.07 R)
• M30: 4,796,407 km (0.081 R)
• M31: 4,941,966 km (0.096 R)
• M32: 5,046,684 km (0.052 R)
• M33: 5,237,272 km (0.079 R)
• M34: 5,408,561 km (0.115 R)
• M35: 5,549,333 km (0.056 R)
• M36: 5,680,231 km (0.087 R)
• M37: 5,967,459 km (0.106 R)
• M38: 6,521,869 km (0.072 R)
• M39: 6,613,871 km (0.087 R)
• M40: 6,729,660 km (0.051 R)
• M41: 6,951,514 km (0.057 R)
• M42: 7,151,975 km (0.114 R)
• M43: 7,438,455 km (0.116 R)
• M44: 7,558,881 km (0.081 R)
• M45: 7,716,408 km (0.106 R)
• M46: 8,084,269 km (0.106 R)
• M47: 8,395,283 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.6

Radius: 8.1

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4 AU - 6.08 AU

Year: 7306 Days

Day: 7 Hours

Environment

Temp: -221 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,808,179 km

• M1: 106,364 km (0.072 R)
• M2: 295,905 km (0.091 R)
• M3: 469,438 km (0.027 R)
• M4: 841,787 km (0.096 R)
• M5: 1,153,400 km (0.086 R)
• M6: 1,467,555 km (0.119 R)
• M7: 2,016,729 km (0.071 R)
• M8: 2,332,380 km (0.064 R)
• M9: 2,394,912 km (0.078 R)
• M10: 2,781,772 km (0.113 R)
• M11: 3,174,467 km (0.105 R)
• M12: 3,384,502 km (0.107 R)
• M13: 3,527,069 km (0.061 R)
• M14: 4,223,447 km (0.034 R)
• M15: 4,439,018 km (0.07 R)
• M16: 4,674,036 km (0.085 R)
• M17: 4,993,727 km (0.083 R)
• M18: 5,553,671 km (0.094 R)
• M19: 6,133,363 km (0.086 R)
• M20: 6,307,495 km (0.117 R)
• M21: 7,129,685 km (0.062 R)
• M22: 7,331,193 km (0.11 R)
• M23: 7,405,095 km (0.046 R)
• M24: 8,042,082 km (0.051 R)
• M25: 8,309,563 km (0.066 R)
• M26: 8,580,036 km (0.025 R)
• M27: 9,873,011 km (0.092 R)
• M28: 9,975,036 km (0.077 R)
• M29: 10,490,102 km (0.057 R)
• M30: 11,056,180 km (0.088 R)
• M31: 11,978,002 km (0.108 R)
• M32: 12,065,068 km (0.117 R)
• M33: 12,349,304 km (0.062 R)
• M34: 12,924,358 km (0.074 R)
• M35: 13,417,882 km (0.076 R)
• M36: 13,508,239 km (0.113 R)
• M37: 14,353,916 km (0.077 R)
• M38: 15,146,186 km (0.081 R)
• M39: 15,761,482 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.6

Radius: 10.7

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.01 AU - 6.05 AU

Year: 8397 Days

Day: 12.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 52,808,179 km

• M1: 134,339 km (0.104 R)
• M2: 685,906 km (0.038 R)
• M3: 1,166,863 km (0.066 R)
• M4: 1,412,802 km (0.042 R)
• M5: 1,491,940 km (0.07 R)
• M6: 1,634,207 km (0.043 R)
• M7: 1,824,047 km (0.116 R)
• M8: 2,156,453 km (0.025 R)
• M9: 2,753,050 km (0.081 R)
• M10: 2,878,263 km (0.111 R)
• M11: 3,057,032 km (0.106 R)
• M12: 3,372,086 km (0.072 R)
• M13: 3,533,502 km (0.098 R)
• M14: 4,379,178 km (0.094 R)
• M15: 4,614,945 km (0.091 R)
• M16: 4,734,473 km (0.044 R)
• M17: 4,824,831 km (0.057 R)
• M18: 5,007,190 km (0.085 R)
• M19: 5,347,525 km (0.11 R)
• M20: 5,504,753 km (0.098 R)
• M21: 6,214,744 km (0.09 R)
• M22: 7,021,974 km (0.065 R)
• M23: 7,403,000 km (0.112 R)
• M24: 7,508,168 km (0.086 R)
• M25: 8,844,974 km (0.1 R)
• M26: 9,068,773 km (0.107 R)
• M27: 10,098,455 km (0.028 R)
• M28: 10,686,374 km (0.08 R)
• M29: 12,018,992 km (0.063 R)
• M30: 12,142,710 km (0.055 R)
• M31: 13,317,950 km (0.101 R)
• M32: 13,789,633 km (0.047 R)
• M33: 13,875,950 km (0.096 R)
• M34: 14,092,568 km (0.07 R)
• M35: 14,661,190 km (0.11 R)
• M36: 14,749,303 km (0.053 R)
• M37: 15,014,839 km (0.092 R)
• M38: 15,460,790 km (0.082 R)
• M39: 15,595,428 km (0.071 R)
• M40: 16,001,736 km (0.117 R)
• M41: 16,963,351 km (0.065 R)
• M42: 18,464,267 km (0.099 R)
• M43: 19,278,977 km (0.06 R)
• M44: 19,375,617 km (0.12 R)
• M45: 19,617,816 km (0.083 R)
• M46: 19,812,293 km (0.109 R)
• M47: 20,154,274 km (0.066 R)
• M48: 21,191,885 km (0.079 R)
• M49: 21,842,935 km (0.088 R)
• M50: 22,196,135 km (0.057 R)
• M51: 22,908,371 km (0.085 R)
• M52: 24,042,771 km (0.084 R)
• M53: 24,407,491 km (0.094 R)
• M54: 24,512,060 km (0.099 R)
• M55: 24,669,287 km (0.108 R)
• M56: 25,195,423 km (0.109 R)
• M57: 25,831,663 km (0.047 R)
• M58: 26,634,405 km (0.101 R)
• M59: 27,662,890 km (0.107 R)
• M60: 28,814,943 km (0.078 R)
• M61: 29,926,456 km (0.067 R)
• M62: 30,262,752 km (0.048 R)
• M63: 30,600,244 km (0.08 R)
• M64: 31,278,970 km (0.04 R)
• M65: 31,449,362 km (0.087 R)
• M66: 32,421,150 km (0.093 R)
• M67: 33,809,717 km (0.065 R)
• M68: 33,984,747 km (0.05 R)
• M69: 34,159,926 km (0.115 R)
• M70: 35,395,006 km (0.06 R)
• M71: 36,166,931 km (0.032 R)
• M72: 36,944,541 km (0.091 R)
• M73: 37,485,935 km (0.089 R)
• M74: 37,667,098 km (0.09 R)
• M75: 37,908,998 km (0.107 R)
• M76: 38,151,347 km (0.093 R)
• M77: 38,576,803 km (0.112 R)
• M78: 40,418,054 km (0.066 R)
• M79: 41,286,918 km (0.065 R)
• M80: 41,474,065 km (0.116 R)
• M81: 41,723,744 km (0.118 R)

Asteroid Belt

Center: 6.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.8

Radius: 4.1

Gravity: 33.6 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.86 AU - 7.74 AU

Year: 12735 Days

Day: 19.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 52,808,179 km

• M1: 55,650 km (0.119 R)
• M2: 189,092 km (0.085 R)
• M3: 311,463 km (0.05 R)
• M4: 554,559 km (0.097 R)
• M5: 640,877 km (0.087 R)
• M6: 787,932 km (0.119 R)
• M7: 1,312,572 km (0.111 R)
• M8: 1,499,270 km (0.078 R)
• M9: 1,820,456 km (0.119 R)
• M10: 1,846,038 km (0.062 R)
• M11: 2,438,744 km (0.11 R)
• M12: 2,609,884 km (0.089 R)
• M13: 2,994,201 km (0.042 R)
• M14: 3,054,789 km (0.108 R)
• M15: 3,683,848 km (0.111 R)
• M16: 3,814,297 km (0.089 R)
• M17: 3,946,392 km (0.098 R)
• M18: 4,489,432 km (0.108 R)
• M19: 4,524,139 km (0.082 R)
• M20: 5,128,065 km (0.067 R)
• M21: 5,237,272 km (0.042 R)
• M22: 5,457,929 km (0.112 R)
• M23: 5,606,629 km (0.112 R)
• M24: 5,832,372 km (0.116 R)
• M25: 5,946,366 km (0.117 R)
• M26: 6,022,810 km (0.113 R)
• M27: 6,292,685 km (0.033 R)
• M28: 6,964,678 km (0.05 R)
• M29: 7,248,017 km (0.114 R)
• M30: 7,659,112 km (0.109 R)
• M31: 8,806,677 km (0.109 R)
• M32: 9,245,148 km (0.112 R)
• M33: 10,052,229 km (0.103 R)
• M34: 10,143,184 km (0.115 R)
• M35: 10,188,961 km (0.091 R)
• M36: 10,464,072 km (0.098 R)
• M37: 10,695,350 km (0.096 R)
• M38: 10,975,098 km (0.11 R)
• M39: 11,209,967 km (0.116 R)
• M40: 13,098,490 km (0.115 R)
• M41: 13,197,973 km (0.1 R)
• M42: 13,749,540 km (0.107 R)
• M43: 13,850,519 km (0.109 R)
• M44: 14,823,204 km (0.094 R)
• M45: 15,239,385 km (0.075 R)
• M46: 15,343,954 km (0.083 R)
• M47: 15,501,331 km (0.101 R)
• M48: 15,870,689 km (0.119 R)
• M49: 15,976,753 km (0.046 R)
• M50: 16,296,294 km (0.056 R)
• M51: 18,424,324 km (0.111 R)
• M52: 18,927,721 km (0.104 R)
• M53: 20,234,608 km (0.1 R)
• M54: 20,292,054 km (0.09 R)
• M55: 20,985,888 km (0.096 R)
• M56: 22,515,976 km (0.105 R)
• M57: 22,575,515 km (0.059 R)
• M58: 24,815,893 km (0.085 R)
• M59: 25,619,683 km (0.118 R)
• M60: 26,056,060 km (0.058 R)
• M61: 26,243,805 km (0.117 R)
• M62: 26,873,014 km (0.077 R)
• M63: 28,596,231 km (0.098 R)
• M64: 29,438,617 km (0.061 R)
• M65: 29,634,141 km (0.095 R)
• M66: 30,223,407 km (0.071 R)
• M67: 30,618,346 km (0.114 R)
• M68: 31,015,079 km (0.076 R)
• M69: 31,413,458 km (0.106 R)
• M70: 33,975,621 km (0.093 R)
• M71: 34,523,598 km (0.102 R)
• M72: 35,212,646 km (0.084 R)
• M73: 36,254,595 km (0.117 R)
• M74: 37,871,748 km (0.112 R)
• M75: 38,510,980 km (0.091 R)
• M76: 38,796,263 km (0.055 R)
• M77: 40,377,512 km (0.103 R)
• M78: 40,522,323 km (0.05 R)
• M79: 40,885,098 km (0.045 R)
• M80: 41,176,066 km (0.073 R)
• M81: 42,567,625 km (0.062 R)
• M82: 42,714,979 km (0.108 R)
• M83: 42,936,384 km (0.075 R)
• M84: 43,677,043 km (0.045 R)
• M85: 46,150,943 km (0.086 R)
• M86: 46,681,567 km (0.045 R)
• M87: 46,757,562 km (0.055 R)
• M88: 47,595,909 km (0.079 R)
• M89: 48,901,300 km (0.061 R)
• M90: 49,519,588 km (0.05 R)
• M91: 49,829,704 km (0.083 R)
• M92: 49,985,137 km (0.113 R)
• M93: 50,140,569 km (0.053 R)
• M94: 51,625,627 km (0.102 R)
• M95: 51,782,705 km (0.089 R)
• M96: 52,255,135 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 19,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit