🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.8

Radius: 10.5

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.63 AU - 0.81 AU

Year: 429 Days

Day: 5.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 159.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,068,163 km

• M1: 130,599 km (0.097 R)
• M2: 543,339 km (0.116 R)
• M3: 1,089,372 km (0.095 R)
• M4: 1,688,511 km (0.066 R)
• M5: 2,135,061 km (0.063 R)
• M6: 2,918,654 km (0.109 R)
• M7: 3,377,172 km (0.112 R)
• M8: 3,993,216 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.5

Radius: 9.2

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1 AU - 1.2 AU

Year: 811 Days

Day: 5.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,068,163 km

• M1: 117,135 km (0.069 R)
• M2: 474,973 km (0.081 R)
• M3: 1,069,475 km (0.077 R)
• M4: 1,387,071 km (0.08 R)
• M5: 1,850,825 km (0.057 R)
• M6: 2,744,822 km (0.091 R)
• M7: 3,687,288 km (0.09 R)
• M8: 4,045,426 km (0.078 R)
• M9: 4,795,509 km (0.107 R)
• M10: 5,456,134 km (0.103 R)
• M11: 6,548,198 km (0.106 R)
• M12: 7,804,671 km (0.111 R)
• M13: 8,556,849 km (0.109 R)
• M14: 9,131,005 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.1

Radius: 12.4

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.97 AU - 1.51 AU

Year: 971 Days

Day: 8.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 167.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,068,163 km

• M1: 154,385 km (0.101 R)
• M2: 596,596 km (0.12 R)
• M3: 1,261,260 km (0.046 R)
• M4: 1,775,727 km (0.118 R)
• M5: 2,411,966 km (0.045 R)
• M6: 2,822,014 km (0.054 R)
• M7: 4,318,442 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.9

Radius: 8.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.4 AU - 1.6 AU

Year: 1291 Days

Day: 10.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,068,163 km

• M1: 104,419 km (0.1 R)
• M2: 457,919 km (0.107 R)
• M3: 801,396 km (0.118 R)
• M4: 1,070,074 km (0.078 R)
• M5: 1,341,743 km (0.058 R)
• M6: 1,846,038 km (0.09 R)
• M7: 2,581,610 km (0.113 R)
• M8: 5,490,242 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.5

Radius: 14.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.24 AU - 1.9 AU

Year: 1383 Days

Day: 11.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,068,163 km

• M1: 176,675 km (0.103 R)
• M2: 685,009 km (0.036 R)
• M3: 1,126,921 km (0.105 R)
• M4: 1,600,996 km (0.079 R)
• M5: 2,738,090 km (0.063 R)
• M6: 4,146,255 km (0.091 R)
• M7: 4,865,372 km (0.111 R)
• M8: 5,332,117 km (0.117 R)
• M9: 5,787,942 km (0.069 R)
• M10: 7,630,539 km (0.115 R)
• M11: 8,133,935 km (0.092 R)
• M12: 8,606,066 km (0.05 R)
• M13: 9,634,252 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.8

Radius: 9.1

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.86 AU - 3.42 AU

Year: 3911 Days

Day: 14.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,068,163 km

• M1: 114,143 km (0.08 R)
• M2: 493,374 km (0.103 R)
• M3: 879,486 km (0.052 R)
• M4: 1,213,538 km (0.096 R)
• M5: 1,715,738 km (0.034 R)
• M6: 2,036,326 km (0.104 R)
• M7: 2,336,420 km (0.099 R)
• M8: 2,766,065 km (0.093 R)
• M9: 4,639,479 km (0.11 R)
• M10: 5,189,999 km (0.093 R)
• M11: 6,634,217 km (0.111 R)
• M12: 7,599,721 km (0.098 R)
• M13: 8,365,214 km (0.119 R)
• M14: 9,687,809 km (0.107 R)
• M15: 10,629,527 km (0.119 R)
• M16: 13,471,438 km (0.106 R)
• M17: 15,120,156 km (0.109 R)
• M18: 15,993,060 km (0.095 R)
• M19: 19,250,852 km (0.084 R)
• M20: 19,630,981 km (0.041 R)
• M21: 21,607,767 km (0.114 R)
• M22: 24,371,139 km (0.044 R)
• M23: 25,191,234 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.7

Radius: 9.6

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.14 AU - 3.2 AU

Year: 3967 Days

Day: 6.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,068,163 km

• M1: 121,025 km (0.104 R)
• M2: 502,948 km (0.035 R)
• M3: 1,657,993 km (0.091 R)
• M4: 2,130,274 km (0.113 R)
• M5: 3,723,042 km (0.115 R)
• M6: 5,107,421 km (0.114 R)
• M7: 6,840,363 km (0.108 R)
• M8: 7,174,564 km (0.071 R)
• M9: 8,206,490 km (0.111 R)
• M10: 8,661,268 km (0.026 R)
• M11: 9,497,520 km (0.069 R)
• M12: 13,028,927 km (0.106 R)
• M13: 13,859,345 km (0.112 R)
• M14: 14,614,515 km (0.082 R)
• M15: 15,453,759 km (0.036 R)
• M16: 18,548,640 km (0.114 R)
• M17: 20,070,798 km (0.081 R)
• M18: 26,831,276 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.3

Radius: 12.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.22 AU - 3.48 AU

Year: 4310 Days

Day: 5.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,068,163 km

• M1: 157,975 km (0.108 R)
• M2: 663,467 km (0.102 R)
• M3: 1,534,425 km (0.072 R)
• M4: 2,014,335 km (0.053 R)
• M5: 2,488,112 km (0.089 R)
• M6: 3,088,448 km (0.118 R)
• M7: 6,394,561 km (0.087 R)
• M8: 7,656,868 km (0.094 R)
• M9: 9,226,598 km (0.104 R)
• M10: 11,254,397 km (0.12 R)
• M11: 12,900,722 km (0.093 R)
• M12: 13,419,827 km (0.117 R)
• M13: 14,499,923 km (0.073 R)
• M14: 17,225,896 km (0.097 R)
• M15: 18,441,827 km (0.051 R)
• M16: 19,900,556 km (0.118 R)
• M17: 21,764,396 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.2

Radius: 4.3

Gravity: 46.85 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.5 AU - 8.74 AU

Year: 13355 Days

Day: 15.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,068,163 km

• M1: 53,855 km (0.107 R)
• M2: 188,344 km (0.069 R)
• M3: 401,670 km (0.082 R)
• M4: 686,355 km (0.062 R)
• M5: 999,912 km (0.093 R)
• M6: 1,144,573 km (0.063 R)
• M7: 1,303,446 km (0.101 R)
• M8: 1,585,289 km (0.058 R)
• M9: 1,906,475 km (0.051 R)
• M10: 2,092,276 km (0.092 R)
• M11: 2,632,474 km (0.106 R)
• M12: 2,839,667 km (0.11 R)
• M13: 4,413,736 km (0.033 R)
• M14: 5,776,572 km (0.112 R)
• M15: 6,287,000 km (0.06 R)
• M16: 9,724,759 km (0.092 R)
• M17: 10,388,974 km (0.053 R)
• M18: 12,370,846 km (0.119 R)
• M19: 14,805,402 km (0.069 R)
• M20: 15,386,590 km (0.084 R)
• M21: 18,690,160 km (0.119 R)
• M22: 22,248,195 km (0.038 R)
• M23: 28,392,030 km (0.053 R)
• M24: 35,447,664 km (0.114 R)
• M25: 36,880,662 km (0.03 R)
• M26: 39,445,967 km (0.077 R)
• M27: 40,140,250 km (0.115 R)
• M28: 41,125,951 km (0.089 R)
• M29: 44,179,692 km (0.064 R)
• M30: 47,381,236 km (0.112 R)
• M31: 48,481,828 km (0.067 R)
• M32: 49,118,366 km (0.093 R)
• M33: 50,734,023 km (0.098 R)
• M34: 52,218,034 km (0.092 R)
• M35: 53,223,332 km (0.026 R)
• M36: 53,900,562 km (0.097 R)
• M37: 56,667,374 km (0.08 R)
• M38: 57,196,502 km (0.053 R)
• M39: 59,891,508 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.8

Radius: 5.1

Gravity: 38.29 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.74 AU - 7.98 AU

Year: 14035 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,068,163 km

• M1: 63,878 km (0.114 R)
• M2: 283,937 km (0.094 R)
• M3: 748,737 km (0.084 R)
• M4: 2,011,942 km (0.054 R)
• M5: 2,689,321 km (0.091 R)
• M6: 3,343,213 km (0.08 R)
• M7: 3,944,297 km (0.096 R)
• M8: 4,222,849 km (0.047 R)
• M9: 4,750,331 km (0.108 R)
• M10: 4,959,169 km (0.115 R)
• M11: 6,301,810 km (0.11 R)
• M12: 6,469,210 km (0.092 R)
• M13: 7,305,612 km (0.061 R)
• M14: 7,966,535 km (0.116 R)
• M15: 9,031,373 km (0.115 R)
• M16: 9,515,472 km (0.118 R)
• M17: 13,195,131 km (0.1 R)
• M18: 13,748,044 km (0.065 R)
• M19: 14,244,260 km (0.104 R)
• M20: 14,533,284 km (0.11 R)
• M21: 14,826,047 km (0.108 R)
• M22: 15,048,199 km (0.098 R)
• M23: 17,067,771 km (0.088 R)
• M24: 17,807,083 km (0.101 R)
• M25: 18,311,527 km (0.078 R)
• M26: 18,653,209 km (0.076 R)
• M27: 19,614,525 km (0.092 R)
• M28: 20,152,628 km (0.111 R)
• M29: 20,608,453 km (0.051 R)
• M30: 26,085,979 km (0.089 R)
• M31: 26,301,550 km (0.099 R)
• M32: 27,957,149 km (0.096 R)
• M33: 30,270,830 km (0.114 R)
• M34: 36,877,371 km (0.109 R)
• M35: 38,249,184 km (0.037 R)
• M36: 39,088,428 km (0.05 R)
• M37: 41,386,251 km (0.118 R)
• M38: 42,122,272 km (0.086 R)
• M39: 45,154,322 km (0.115 R)
• M40: 54,411,438 km (0.097 R)
• M41: 66,048,358 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 14,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit