🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.5

Radius: 12.1

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.66 AU - 0.76 AU

Year: 392 Days

Day: 6 Hours

Environment

Temp: -135 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,977,379 km

• M1: 150,795 km (0.083 R)
• M2: 540,198 km (0.092 R)
• M3: 935,435 km (0.043 R)
• M4: 1,417,889 km (0.071 R)
• M5: 1,827,488 km (0.094 R)
• M6: 2,380,701 km (0.085 R)
• M7: 2,768,907 km (0.032 R)
• M8: 3,956,864 km (0.091 R)
• M9: 4,520,848 km (0.104 R)
• M10: 5,059,699 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.3

Radius: 12.5

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.03 AU - 1.41 AU

Year: 884 Days

Day: 5.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,977,379 km

• M1: 155,432 km (0.115 R)
• M2: 605,123 km (0.091 R)
• M3: 1,013,226 km (0.117 R)
• M4: 1,425,069 km (0.092 R)
• M5: 2,251,149 km (0.08 R)
• M6: 2,641,001 km (0.057 R)
• M7: 3,445,239 km (0.081 R)
• M8: 3,905,402 km (0.072 R)
• M9: 4,841,735 km (0.096 R)
• M10: 5,402,129 km (0.063 R)
• M11: 7,064,011 km (0.096 R)
• M12: 7,613,484 km (0.039 R)
• M13: 8,294,903 km (0.118 R)
• M14: 8,879,830 km (0.092 R)
• M15: 9,606,577 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.5

Radius: 10.4

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.16 AU - 1.36 AU

Year: 928 Days

Day: 10.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,977,379 km

• M1: 129,701 km (0.074 R)
• M2: 454,628 km (0.062 R)
• M3: 785,538 km (0.108 R)
• M4: 1,130,511 km (0.106 R)
• M5: 1,802,654 km (0.103 R)
• M6: 2,336,719 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.6

Radius: 12.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.49 AU - 2.25 AU

Year: 1678 Days

Day: 14.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,977,379 km

• M1: 151,842 km (0.117 R)
• M2: 602,281 km (0.029 R)
• M3: 1,110,315 km (0.044 R)
• M4: 2,034,381 km (0.098 R)
• M5: 2,515,039 km (0.06 R)
• M6: 3,043,718 km (0.072 R)
• M7: 3,476,804 km (0.086 R)
• M8: 3,934,723 km (0.091 R)
• M9: 4,781,746 km (0.086 R)
• M10: 5,452,543 km (0.098 R)
• M11: 6,252,892 km (0.113 R)
• M12: 6,885,242 km (0.034 R)
• M13: 9,128,612 km (0.101 R)
• M14: 10,130,768 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.7

Radius: 12.8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.96 AU - 2.44 AU

Year: 2141 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,977,379 km

• M1: 159,172 km (0.12 R)
• M2: 797,656 km (0.111 R)
• M3: 1,308,233 km (0.093 R)
• M4: 2,686,628 km (0.11 R)
• M5: 3,305,814 km (0.114 R)
• M6: 4,323,977 km (0.083 R)
• M7: 4,727,293 km (0.107 R)
• M8: 8,149,194 km (0.111 R)
• M9: 9,586,082 km (0.093 R)
• M10: 10,311,781 km (0.093 R)
• M11: 10,962,682 km (0.066 R)
• M12: 11,411,774 km (0.037 R)
• M13: 11,873,134 km (0.073 R)
• M14: 12,427,095 km (0.097 R)
• M15: 14,105,434 km (0.087 R)
• M16: 14,547,645 km (0.094 R)
• M17: 15,090,536 km (0.098 R)
• M18: 16,073,244 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.6

Radius: 9.5

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2 AU - 2.64 AU

Year: 2318 Days

Day: 8.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,977,379 km

• M1: 118,482 km (0.1 R)
• M2: 787,483 km (0.107 R)
• M3: 1,353,711 km (0.117 R)
• M4: 1,718,431 km (0.1 R)
• M5: 2,363,946 km (0.103 R)
• M6: 3,529,313 km (0.113 R)
• M7: 4,675,233 km (0.055 R)
• M8: 5,356,651 km (0.043 R)
• M9: 6,409,521 km (0.073 R)
• M10: 6,861,905 km (0.112 R)
• M11: 7,335,532 km (0.103 R)
• M12: 8,255,259 km (0.087 R)
• M13: 8,631,199 km (0.094 R)
• M14: 9,862,988 km (0.034 R)
• M15: 10,394,509 km (0.112 R)
• M16: 10,944,879 km (0.063 R)
• M17: 11,592,040 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.9

Radius: 12.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.3 AU - 3.72 AU

Year: 4314 Days

Day: 7.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,977,379 km

• M1: 154,535 km (0.054 R)
• M2: 593,455 km (0.094 R)
• M3: 1,676,095 km (0.059 R)
• M4: 2,066,695 km (0.114 R)
• M5: 3,764,930 km (0.114 R)
• M6: 5,862,142 km (0.04 R)
• M7: 8,645,261 km (0.099 R)
• M8: 11,041,071 km (0.075 R)
• M9: 14,393,559 km (0.069 R)
• M10: 16,328,308 km (0.059 R)
• M11: 19,455,203 km (0.068 R)
• M12: 20,772,263 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.6

Radius: 4.3

Gravity: 41.68 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.44 AU - 8.86 AU

Year: 12542 Days

Day: 16.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,977,379 km

• M1: 53,556 km (0.116 R)
• M2: 269,127 km (0.105 R)
• M3: 795,711 km (0.106 R)
• M4: 1,586,336 km (0.065 R)
• M5: 2,250,700 km (0.116 R)
• M6: 3,705,240 km (0.09 R)
• M7: 3,844,665 km (0.05 R)
• M8: 4,223,447 km (0.064 R)
• M9: 4,691,090 km (0.093 R)
• M10: 5,055,211 km (0.116 R)
• M11: 5,473,786 km (0.098 R)
• M12: 5,618,298 km (0.11 R)
• M13: 5,877,401 km (0.117 R)
• M14: 6,580,212 km (0.079 R)
• M15: 10,009,444 km (0.119 R)
• M16: 10,225,912 km (0.081 R)
• M17: 10,500,723 km (0.1 R)
• M18: 11,889,440 km (0.09 R)
• M19: 12,378,326 km (0.081 R)
• M20: 13,265,890 km (0.102 R)
• M21: 13,858,298 km (0.115 R)
• M22: 16,555,398 km (0.118 R)
• M23: 18,752,991 km (0.102 R)
• M24: 19,331,336 km (0.064 R)
• M25: 19,836,378 km (0.072 R)
• M26: 20,006,621 km (0.075 R)
• M27: 22,679,636 km (0.108 R)
• M28: 23,053,032 km (0.074 R)
• M29: 34,140,628 km (0.108 R)
• M30: 38,857,897 km (0.117 R)
• M31: 39,124,630 km (0.091 R)
• M32: 39,392,560 km (0.037 R)
• M33: 40,613,428 km (0.105 R)
• M34: 40,888,090 km (0.119 R)
• M35: 44,864,551 km (0.109 R)
• M36: 48,010,744 km (0.07 R)
• M37: 49,872,938 km (0.036 R)
• M38: 56,257,027 km (0.109 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 12,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit