🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.6

Radius: 10.2

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.57 AU - 0.75 AU

Year: 370 Days

Day: 12.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,236,897 km

• M1: 126,859 km (0.11 R)
• M2: 450,589 km (0.116 R)
• M3: 809,025 km (0.064 R)
• M4: 1,257,071 km (0.064 R)
• M5: 1,644,529 km (0.085 R)
• M6: 2,019,870 km (0.115 R)
• M7: 2,946,480 km (0.113 R)
• M8: 3,640,913 km (0.077 R)
• M9: 4,202,952 km (0.054 R)
• M10: 4,761,999 km (0.103 R)
• M11: 5,209,297 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.2

Radius: 9.7

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.66 AU - 0.68 AU

Year: 379 Days

Day: 7.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,236,897 km

• M1: 120,576 km (0.058 R)
• M2: 474,076 km (0.032 R)
• M3: 894,894 km (0.075 R)
• M4: 1,310,477 km (0.105 R)
• M5: 1,713,644 km (0.082 R)
• M6: 4,596,395 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.3

Radius: 12

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.96 AU - 1.48 AU

Year: 930 Days

Day: 14.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,236,897 km

• M1: 149,299 km (0.093 R)
• M2: 642,672 km (0.037 R)
• M3: 3,160,554 km (0.095 R)
• M4: 4,110,052 km (0.103 R)
• M5: 4,983,554 km (0.066 R)
• M6: 5,626,226 km (0.045 R)
• M7: 6,012,638 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73

Radius: 11.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.27 AU - 1.95 AU

Year: 1410 Days

Day: 8.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,236,897 km

• M1: 142,118 km (0.088 R)
• M2: 504,145 km (0.119 R)
• M3: 1,002,306 km (0.034 R)
• M4: 1,547,740 km (0.067 R)
• M5: 2,500,977 km (0.075 R)
• M6: 2,855,823 km (0.116 R)
• M7: 3,914,378 km (0.072 R)
• M8: 4,644,565 km (0.105 R)
• M9: 5,614,408 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.5

Radius: 8.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.87 AU - 2.15 AU

Year: 1967 Days

Day: 6.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,236,897 km

• M1: 110,702 km (0.069 R)
• M2: 451,337 km (0.12 R)
• M3: 887,863 km (0.109 R)
• M4: 1,621,791 km (0.1 R)
• M5: 2,204,025 km (0.095 R)
• M6: 2,877,365 km (0.11 R)
• M7: 3,551,304 km (0.094 R)
• M8: 4,883,473 km (0.107 R)
• M9: 5,552,325 km (0.116 R)
• M10: 5,886,377 km (0.08 R)
• M11: 7,438,455 km (0.079 R)
• M12: 7,844,912 km (0.082 R)
• M13: 8,124,062 km (0.11 R)
• M14: 8,526,181 km (0.052 R)
• M15: 9,463,711 km (0.111 R)
• M16: 12,386,105 km (0.117 R)
• M17: 12,688,891 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.7

Radius: 14.4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.32 AU - 2.68 AU

Year: 2728 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,236,897 km

• M1: 190,588 km (0.068 R)
• M2: 704,905 km (0.085 R)
• M3: 1,326,036 km (0.097 R)
• M4: 2,083,749 km (0.06 R)
• M5: 2,638,158 km (0.07 R)
• M6: 3,273,201 km (0.118 R)
• M7: 4,671,343 km (0.099 R)
• M8: 6,722,180 km (0.062 R)
• M9: 8,078,435 km (0.078 R)
• M10: 8,926,505 km (0.101 R)
• M11: 9,610,167 km (0.099 R)
• M12: 10,602,151 km (0.096 R)
• M13: 11,410,877 km (0.047 R)
• M14: 12,087,209 km (0.094 R)
• M15: 14,422,880 km (0.074 R)
• M16: 15,416,210 km (0.105 R)
• M17: 18,042,999 km (0.09 R)
• M18: 20,032,651 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739

Radius: 3

Gravity: 82.11 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.22 AU - 7.86 AU

Year: 12893 Days

Day: 24.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,236,897 km

• M1: 148,251 km (0.086 R)
• M2: 298,747 km (0.087 R)
• M3: 442,810 km (0.071 R)
• M4: 782,995 km (0.091 R)
• M5: 1,002,306 km (0.113 R)
• M6: 1,737,729 km (0.099 R)
• M7: 1,856,360 km (0.112 R)
• M8: 2,304,705 km (0.088 R)
• M9: 2,448,020 km (0.093 R)
• M10: 2,685,282 km (0.119 R)
• M11: 2,867,342 km (0.117 R)
• M12: 3,307,011 km (0.092 R)
• M13: 3,516,298 km (0.071 R)
• M14: 3,678,911 km (0.118 R)
• M15: 4,048,418 km (0.074 R)
• M16: 5,097,099 km (0.08 R)
• M17: 5,447,457 km (0.109 R)
• M18: 7,667,040 km (0.12 R)
• M19: 9,826,336 km (0.108 R)
• M20: 10,423,232 km (0.069 R)
• M21: 11,688,979 km (0.106 R)
• M22: 15,581,815 km (0.07 R)
• M23: 16,020,436 km (0.103 R)
• M24: 16,693,477 km (0.113 R)
• M25: 17,541,547 km (0.102 R)
• M26: 17,698,774 km (0.027 R)
• M27: 18,256,475 km (0.092 R)
• M28: 18,825,845 km (0.087 R)
• M29: 19,744,226 km (0.046 R)
• M30: 32,244,175 km (0.089 R)
• M31: 38,229,885 km (0.116 R)
• M32: 38,494,225 km (0.109 R)
• M33: 42,606,371 km (0.104 R)
• M34: 43,319,055 km (0.095 R)
• M35: 43,606,283 km (0.034 R)
• M36: 43,894,858 km (0.08 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 14,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit