🌌 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 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.7

Radius: 11.8

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.56 AU - 0.64 AU

Year: 315 Days

Day: 8.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,802,647 km

• M1: 147,055 km (0.07 R)
• M2: 574,007 km (0.117 R)
• M3: 973,134 km (0.118 R)
• M4: 1,413,999 km (0.095 R)
• M5: 2,657,606 km (0.026 R)
• M6: 3,125,399 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.4

Radius: 12.7

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.46 AU - 3.78 AU

Year: 3738 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,802,647 km

• M1: 157,975 km (0.099 R)
• M2: 564,283 km (0.114 R)
• M3: 1,168,060 km (0.114 R)
• M4: 1,954,945 km (0.093 R)
• M5: 2,527,456 km (0.09 R)
• M6: 3,501,039 km (0.04 R)
• M7: 3,910,488 km (0.115 R)
• M8: 4,873,749 km (0.117 R)
• M9: 6,181,384 km (0.105 R)
• M10: 6,872,377 km (0.025 R)
• M11: 7,971,921 km (0.034 R)
• M12: 8,374,788 km (0.081 R)
• M13: 9,591,168 km (0.114 R)
• M14: 10,478,732 km (0.074 R)
• M15: 11,674,767 km (0.052 R)
• M16: 13,283,693 km (0.051 R)
• M17: 16,020,586 km (0.075 R)
• M18: 17,269,578 km (0.096 R)
• M19: 18,003,655 km (0.084 R)
• M20: 19,413,316 km (0.116 R)
• M21: 20,518,096 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.1

Radius: 11.7

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.04 AU - 4.6 AU

Year: 5064 Days

Day: 14 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,802,647 km

• M1: 145,559 km (0.118 R)
• M2: 517,010 km (0.084 R)
• M3: 894,146 km (0.1 R)
• M4: 2,637,261 km (0.069 R)
• M5: 3,176,112 km (0.114 R)
• M6: 3,787,668 km (0.082 R)
• M7: 4,758,708 km (0.104 R)
• M8: 5,474,235 km (0.081 R)
• M9: 6,072,477 km (0.104 R)
• M10: 6,647,830 km (0.117 R)
• M11: 7,120,111 km (0.11 R)
• M12: 7,506,821 km (0.065 R)
• M13: 10,987,515 km (0.055 R)
• M14: 12,387,452 km (0.074 R)
• M15: 14,176,343 km (0.039 R)
• M16: 16,433,476 km (0.118 R)
• M17: 18,522,610 km (0.117 R)
• M18: 20,079,625 km (0.035 R)
• M19: 21,868,965 km (0.108 R)
• M20: 23,840,365 km (0.053 R)
• M21: 26,093,160 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.9

Radius: 13.9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.34 AU - 5.18 AU

Year: 5964 Days

Day: 13.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,802,647 km

• M1: 175,179 km (0.103 R)
• M2: 664,663 km (0.116 R)
• M3: 1,438,084 km (0.089 R)
• M4: 3,000,634 km (0.072 R)
• M5: 3,837,485 km (0.104 R)
• M6: 4,966,949 km (0.087 R)
• M7: 5,563,096 km (0.07 R)
• M8: 6,409,222 km (0.112 R)
• M9: 7,154,069 km (0.079 R)
• M10: 7,916,420 km (0.105 R)
• M11: 8,440,461 km (0.118 R)
• M12: 9,921,929 km (0.099 R)
• M13: 10,724,821 km (0.054 R)
• M14: 12,353,343 km (0.099 R)
• M15: 13,508,239 km (0.11 R)
• M16: 15,343,206 km (0.054 R)
• M17: 17,005,987 km (0.044 R)
• M18: 19,286,008 km (0.053 R)
• M19: 19,867,944 km (0.115 R)
• M20: 24,025,418 km (0.07 R)
• M21: 26,618,996 km (0.073 R)
• M22: 30,068,424 km (0.037 R)
• M23: 35,840,059 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.4

Radius: 13.1

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.57 AU - 4.69 AU

Year: 6757 Days

Day: 12.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,802,647 km

• M1: 174,730 km (0.111 R)
• M2: 590,912 km (0.057 R)
• M3: 1,357,900 km (0.105 R)
• M4: 1,983,817 km (0.095 R)
• M5: 3,735,459 km (0.053 R)
• M6: 4,847,869 km (0.111 R)
• M7: 5,695,341 km (0.114 R)
• M8: 7,165,888 km (0.11 R)
• M9: 7,971,771 km (0.115 R)
• M10: 8,491,325 km (0.087 R)
• M11: 9,152,697 km (0.105 R)
• M12: 10,316,718 km (0.099 R)
• M13: 10,889,678 km (0.084 R)
• M14: 11,298,678 km (0.107 R)
• M15: 13,396,789 km (0.115 R)
• M16: 14,456,390 km (0.081 R)
• M17: 15,118,660 km (0.051 R)
• M18: 16,622,717 km (0.098 R)
• M19: 17,105,021 km (0.09 R)
• M20: 17,721,065 km (0.076 R)
• M21: 24,179,803 km (0.119 R)
• M22: 24,721,497 km (0.087 R)
• M23: 25,192,281 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289

Radius: 5.5

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.57 AU - 8.61 AU

Year: 12804 Days

Day: 16.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,802,647 km

• M1: 159,322 km (0.033 R)
• M2: 345,122 km (0.095 R)
• M3: 653,443 km (0.084 R)
• M4: 1,111,363 km (0.074 R)
• M5: 1,416,542 km (0.039 R)
• M6: 1,631,215 km (0.105 R)
• M7: 1,836,763 km (0.096 R)
• M8: 2,985,375 km (0.042 R)
• M9: 3,823,123 km (0.116 R)
• M10: 4,134,436 km (0.077 R)
• M11: 6,622,249 km (0.059 R)
• M12: 7,225,727 km (0.076 R)
• M13: 10,351,574 km (0.054 R)
• M14: 10,550,689 km (0.087 R)
• M15: 11,215,203 km (0.094 R)
• M16: 21,575,603 km (0.115 R)
• M17: 21,818,999 km (0.058 R)
• M18: 23,064,102 km (0.106 R)
• M19: 23,574,979 km (0.081 R)
• M20: 24,531,358 km (0.052 R)
• M21: 24,796,745 km (0.117 R)
• M22: 26,336,107 km (0.115 R)
• M23: 26,614,209 km (0.116 R)
• M24: 27,842,109 km (0.084 R)
• M25: 30,106,272 km (0.104 R)
• M26: 39,658,994 km (0.118 R)
• M27: 42,137,831 km (0.052 R)
• M28: 42,391,249 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.8

Radius: 5.6

Gravity: 30.77 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.01 AU - 9.97 AU

Year: 19829 Days

Day: 17.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,802,647 km

• M1: 69,713 km (0.117 R)
• M2: 349,909 km (0.109 R)
• M3: 632,649 km (0.094 R)
• M4: 1,022,053 km (0.067 R)
• M5: 1,890,169 km (0.077 R)
• M6: 2,357,363 km (0.039 R)
• M7: 3,198,552 km (0.037 R)
• M8: 3,429,531 km (0.093 R)
• M9: 3,796,794 km (0.091 R)
• M10: 3,990,074 km (0.066 R)
• M11: 4,867,466 km (0.082 R)
• M12: 5,492,486 km (0.032 R)
• M13: 6,302,558 km (0.103 R)
• M14: 9,856,405 km (0.051 R)
• M15: 14,167,068 km (0.101 R)
• M16: 14,791,190 km (0.115 R)
• M17: 16,178,112 km (0.113 R)
• M18: 18,098,799 km (0.079 R)
• M19: 18,280,561 km (0.082 R)
• M20: 22,177,884 km (0.115 R)
• M21: 25,326,620 km (0.097 R)
• M22: 26,595,061 km (0.106 R)
• M23: 26,948,112 km (0.028 R)
• M24: 28,392,180 km (0.109 R)
• M25: 36,826,657 km (0.083 R)
• M26: 38,753,029 km (0.109 R)
• M27: 40,125,440 km (0.1 R)
• M28: 42,005,137 km (0.119 R)
• M29: 47,475,782 km (0.106 R)
• M30: 49,577,183 km (0.102 R)
• M31: 50,112,145 km (0.1 R)
• M32: 52,659,198 km (0.092 R)
• M33: 55,482,709 km (0.081 R)
• M34: 64,132,757 km (0.061 R)
• M35: 66,050,153 km (0.115 R)
• M36: 76,213,383 km (0.106 R)
• M37: 79,819,739 km (0.147 R)
• M38: 81,540,863 km (0.092 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 14,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit