🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.4

Radius: 12.8

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.48 AU - 1.9 AU

Year: 1544 Days

Day: 9.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,099,015 km

• M1: 159,172 km (0.115 R)
• M2: 599,588 km (0.048 R)
• M3: 1,012,030 km (0.11 R)
• M4: 1,598,902 km (0.066 R)
• M5: 2,511,000 km (0.076 R)
• M6: 3,933,676 km (0.078 R)
• M7: 4,366,313 km (0.093 R)
• M8: 5,651,060 km (0.095 R)
• M9: 6,292,386 km (0.081 R)
• M10: 7,619,319 km (0.089 R)
• M11: 8,057,042 km (0.091 R)
• M12: 8,621,026 km (0.109 R)
• M13: 9,918,488 km (0.096 R)
• M14: 10,441,183 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.3

Radius: 12.6

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.8 AU - 3.36 AU

Year: 3800 Days

Day: 12.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,099,015 km

• M1: 156,629 km (0.099 R)
• M2: 863,778 km (0.074 R)
• M3: 1,321,099 km (0.097 R)
• M4: 2,137,006 km (0.071 R)
• M5: 2,983,281 km (0.09 R)
• M6: 3,403,651 km (0.098 R)
• M7: 4,224,644 km (0.079 R)
• M8: 4,962,610 km (0.096 R)
• M9: 5,417,836 km (0.1 R)
• M10: 8,611,751 km (0.113 R)
• M11: 9,351,662 km (0.031 R)
• M12: 10,260,918 km (0.107 R)
• M13: 10,693,256 km (0.089 R)
• M14: 11,548,357 km (0.119 R)
• M15: 16,464,442 km (0.117 R)
• M16: 17,975,381 km (0.056 R)
• M17: 19,576,826 km (0.109 R)
• M18: 22,406,171 km (0.083 R)
• M19: 23,357,464 km (0.053 R)
• M20: 25,576,598 km (0.118 R)
• M21: 26,859,400 km (0.113 R)
• M22: 27,599,610 km (0.093 R)
• M23: 28,016,689 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.5

Radius: 10.3

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.87 AU - 3.53 AU

Year: 4024 Days

Day: 12.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,099,015 km

• M1: 128,953 km (0.104 R)
• M2: 1,085,482 km (0.072 R)
• M3: 4,205,495 km (0.094 R)
• M4: 4,620,929 km (0.067 R)
• M5: 8,342,026 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 8.3

Gravity: 12.83 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.69 AU - 4.97 AU

Year: 6333 Days

Day: 9.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,099,015 km

• M1: 103,223 km (0.058 R)
• M2: 500,854 km (0.12 R)
• M3: 919,129 km (0.112 R)
• M4: 1,806,095 km (0.051 R)
• M5: 2,362,749 km (0.118 R)
• M6: 2,691,266 km (0.09 R)
• M7: 3,176,561 km (0.119 R)
• M8: 3,913,181 km (0.107 R)
• M9: 5,981,372 km (0.11 R)
• M10: 7,670,631 km (0.108 R)
• M11: 10,451,805 km (0.062 R)
• M12: 11,494,053 km (0.101 R)
• M13: 11,961,547 km (0.066 R)
• M14: 15,470,065 km (0.104 R)
• M15: 17,020,647 km (0.061 R)
• M16: 18,957,641 km (0.074 R)
• M17: 19,979,095 km (0.102 R)
• M18: 20,277,692 km (0.053 R)
• M19: 20,883,564 km (0.071 R)
• M20: 21,191,137 km (0.11 R)
• M21: 21,736,421 km (0.054 R)
• M22: 22,531,683 km (0.085 R)
• M23: 29,030,364 km (0.103 R)
• M24: 31,179,487 km (0.105 R)
• M25: 31,783,564 km (0.077 R)
• M26: 33,432,431 km (0.11 R)
• M27: 33,959,315 km (0.032 R)
• M28: 34,491,584 km (0.082 R)
• M29: 35,354,914 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.3

Radius: 10.8

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.21 AU - 6.65 AU

Year: 8894 Days

Day: 9.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,099,015 km

• M1: 134,339 km (0.104 R)
• M2: 472,131 km (0.079 R)
• M3: 808,726 km (0.059 R)
• M4: 1,617,303 km (0.12 R)
• M5: 2,064,301 km (0.059 R)
• M6: 10,593,773 km (0.045 R)
• M7: 12,454,771 km (0.054 R)
• M8: 13,646,318 km (0.051 R)
• M9: 15,174,610 km (0.097 R)
• M10: 16,673,131 km (0.108 R)
• M11: 21,758,561 km (0.062 R)
• M12: 23,571,688 km (0.106 R)
• M13: 28,997,602 km (0.113 R)
• M14: 30,658,438 km (0.09 R)
• M15: 34,510,882 km (0.055 R)
• M16: 42,369,109 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.2

Radius: 3.4

Gravity: 43.88 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.2 AU - 10.44 AU

Year: 21631 Days

Day: 20.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,099,015 km

• M1: 42,336 km (0.087 R)
• M2: 417,528 km (0.108 R)
• M3: 959,222 km (0.061 R)
• M4: 3,285,319 km (0.116 R)
• M5: 5,148,560 km (0.109 R)
• M6: 6,429,866 km (0.115 R)
• M7: 11,142,199 km (0.115 R)
• M8: 11,647,690 km (0.073 R)
• M9: 26,761,114 km (0.063 R)
• M10: 39,572,227 km (0.059 R)
• M11: 40,302,414 km (0.052 R)
• M12: 45,987,433 km (0.112 R)
• M13: 52,533,835 km (0.114 R)
• M14: 55,208,346 km (0.11 R)
• M15: 56,487,109 km (0.099 R)
• M16: 60,633,962 km (0.107 R)
• M17: 61,994,704 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.7

Radius: 4.4

Gravity: 40.84 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.98 AU - 11.66 AU

Year: 21631 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,099,015 km

• M1: 55,351 km (0.119 R)
• M2: 200,012 km (0.088 R)
• M3: 361,728 km (0.051 R)
• M4: 778,807 km (0.099 R)
• M5: 937,530 km (0.113 R)
• M6: 1,383,780 km (0.106 R)
• M7: 2,486,466 km (0.119 R)
• M8: 2,656,709 km (0.097 R)
• M9: 2,886,940 km (0.092 R)
• M10: 4,558,098 km (0.096 R)
• M11: 7,068,499 km (0.088 R)
• M12: 9,349,418 km (0.11 R)
• M13: 9,821,848 km (0.098 R)
• M14: 16,966,942 km (0.102 R)
• M15: 17,937,383 km (0.104 R)
• M16: 18,665,925 km (0.077 R)
• M17: 20,672,032 km (0.115 R)
• M18: 22,397,644 km (0.065 R)
• M19: 23,135,311 km (0.067 R)
• M20: 27,904,790 km (0.115 R)
• M21: 29,503,991 km (0.076 R)
• M22: 31,163,331 km (0.077 R)
• M23: 37,681,160 km (0.097 R)
• M24: 39,176,092 km (0.111 R)
• M25: 39,479,626 km (0.111 R)
• M26: 41,649,394 km (0.118 R)
• M27: 41,965,643 km (0.11 R)
• M28: 42,443,160 km (0.098 R)
• M29: 44,554,135 km (0.085 R)
• M30: 54,827,620 km (0.028 R)
• M31: 63,597,047 km (0.092 R)
• M32: 72,112,158 km (0.117 R)
• M33: 78,673,221 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 19,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit