🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.1

Radius: 10

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.38 AU - 0.64 AU

Year: 247 Days

Day: 11.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,581,870 km

• M1: 124,465 km (0.084 R)
• M2: 443,258 km (0.098 R)
• M3: 756,217 km (0.093 R)
• M4: 1,095,505 km (0.105 R)
• M5: 1,420,133 km (0.046 R)
• M6: 1,847,833 km (0.072 R)
• M7: 2,499,032 km (0.094 R)
• M8: 2,930,772 km (0.103 R)
• M9: 3,258,541 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.3

Radius: 12.1

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.55 AU - 0.65 AU

Year: 315 Days

Day: 5.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,581,870 km

• M1: 150,495 km (0.093 R)
• M2: 533,466 km (0.107 R)
• M3: 1,003,503 km (0.117 R)
• M4: 1,514,529 km (0.05 R)
• M5: 1,944,024 km (0.052 R)
• M6: 3,182,695 km (0.116 R)
• M7: 4,374,990 km (0.061 R)
• M8: 4,847,121 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.2

Radius: 10.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.87 AU - 0.89 AU

Year: 560 Days

Day: 14.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,581,870 km

• M1: 128,205 km (0.082 R)
• M2: 488,886 km (0.073 R)
• M3: 893,548 km (0.055 R)
• M4: 1,256,622 km (0.048 R)
• M5: 1,916,349 km (0.111 R)
• M6: 2,339,112 km (0.106 R)
• M7: 2,681,691 km (0.118 R)
• M8: 3,626,851 km (0.111 R)
• M9: 4,460,709 km (0.056 R)
• M10: 4,795,360 km (0.118 R)
• M11: 5,714,639 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.5

Radius: 12.8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.76 AU - 2.68 AU

Year: 2243 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,581,870 km

• M1: 159,172 km (0.115 R)
• M2: 699,220 km (0.112 R)
• M3: 1,653,206 km (0.101 R)
• M4: 2,289,745 km (0.095 R)
• M5: 3,451,971 km (0.058 R)
• M6: 3,866,955 km (0.11 R)
• M7: 4,315,300 km (0.093 R)
• M8: 4,842,184 km (0.106 R)
• M9: 5,949,657 km (0.095 R)
• M10: 6,963,033 km (0.067 R)
• M11: 7,630,389 km (0.113 R)
• M12: 8,662,016 km (0.104 R)
• M13: 9,538,659 km (0.093 R)
• M14: 10,179,537 km (0.09 R)
• M15: 13,077,995 km (0.117 R)
• M16: 14,369,025 km (0.101 R)
• M17: 15,792,150 km (0.061 R)
• M18: 16,437,216 km (0.064 R)
• M19: 17,099,785 km (0.12 R)
• M20: 17,516,415 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.9

Radius: 12

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.03 AU - 4.67 AU

Year: 6154 Days

Day: 7 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,581,870 km

• M1: 152,141 km (0.08 R)
• M2: 564,134 km (0.118 R)
• M3: 957,277 km (0.06 R)
• M4: 1,555,369 km (0.082 R)
• M5: 2,135,958 km (0.05 R)
• M6: 2,618,112 km (0.106 R)
• M7: 3,172,821 km (0.082 R)
• M8: 3,600,073 km (0.081 R)
• M9: 4,389,950 km (0.119 R)
• M10: 5,528,389 km (0.089 R)
• M11: 6,086,539 km (0.073 R)
• M12: 8,067,364 km (0.103 R)
• M13: 9,945,566 km (0.087 R)
• M14: 10,772,991 km (0.116 R)
• M15: 11,596,079 km (0.102 R)
• M16: 13,477,123 km (0.11 R)
• M17: 14,033,926 km (0.066 R)
• M18: 17,440,569 km (0.118 R)
• M19: 22,274,525 km (0.034 R)
• M20: 23,211,456 km (0.088 R)
• M21: 24,012,253 km (0.093 R)
• M22: 29,024,081 km (0.074 R)
• M23: 31,287,796 km (0.078 R)
• M24: 31,773,840 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.5

Radius: 7

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.44 AU - 6.86 AU

Year: 9109 Days

Day: 22.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,581,870 km

• M1: 87,066 km (0.115 R)
• M2: 327,919 km (0.066 R)
• M3: 658,081 km (0.107 R)
• M4: 886,517 km (0.098 R)
• M5: 1,179,878 km (0.076 R)
• M6: 1,510,639 km (0.084 R)
• M7: 1,918,144 km (0.068 R)
• M8: 2,527,905 km (0.113 R)
• M9: 2,973,258 km (0.105 R)
• M10: 4,891,850 km (0.102 R)
• M11: 5,388,515 km (0.088 R)
• M12: 6,702,882 km (0.105 R)
• M13: 7,276,141 km (0.103 R)
• M14: 8,919,623 km (0.054 R)
• M15: 9,851,917 km (0.069 R)
• M16: 11,106,744 km (0.098 R)
• M17: 11,745,378 km (0.096 R)
• M18: 14,546,598 km (0.117 R)
• M19: 15,901,356 km (0.091 R)
• M20: 18,710,954 km (0.103 R)
• M21: 19,385,790 km (0.115 R)
• M22: 20,154,573 km (0.095 R)
• M23: 20,467,831 km (0.071 R)
• M24: 20,863,817 km (0.077 R)
• M25: 21,752,877 km (0.079 R)
• M26: 29,998,562 km (0.053 R)
• M27: 30,406,964 km (0.087 R)
• M28: 32,397,364 km (0.118 R)
• M29: 38,047,376 km (0.111 R)
• M30: 39,129,567 km (0.081 R)
• M31: 39,494,885 km (0.102 R)
• M32: 41,103,960 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.9

Radius: 5.4

Gravity: 18.76 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.59 AU - 10.85 AU

Year: 22160 Days

Day: 23.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,581,870 km

• M1: 68,516 km (0.072 R)
• M2: 671,246 km (0.107 R)
• M3: 997,967 km (0.093 R)
• M4: 1,334,114 km (0.038 R)
• M5: 1,724,863 km (0.093 R)
• M6: 2,382,795 km (0.115 R)
• M7: 3,679,210 km (0.059 R)
• M8: 4,081,329 km (0.104 R)
• M9: 4,478,063 km (0.104 R)
• M10: 6,197,690 km (0.114 R)
• M11: 6,948,372 km (0.091 R)
• M12: 10,321,804 km (0.069 R)
• M13: 10,563,106 km (0.103 R)
• M14: 10,932,014 km (0.045 R)
• M15: 11,373,328 km (0.071 R)
• M16: 11,760,936 km (0.076 R)
• M17: 12,426,497 km (0.029 R)
• M18: 12,630,847 km (0.057 R)
• M19: 14,649,072 km (0.05 R)
• M20: 18,592,023 km (0.075 R)
• M21: 19,311,290 km (0.05 R)
• M22: 21,385,016 km (0.087 R)
• M23: 22,374,755 km (0.103 R)
• M24: 24,021,528 km (0.053 R)
• M25: 27,094,718 km (0.08 R)
• M26: 31,417,946 km (0.116 R)
• M27: 32,566,409 km (0.108 R)
• M28: 33,742,398 km (0.109 R)
• M29: 41,856,138 km (0.114 R)
• M30: 44,347,242 km (0.099 R)
• M31: 45,145,496 km (0.052 R)
• M32: 46,935,434 km (0.074 R)
• M33: 56,411,861 km (0.083 R)
• M34: 62,588,458 km (0.104 R)
• M35: 68,987,357 km (0.045 R)
• M36: 72,014,919 km (0.053 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 15,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit