🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.6

Radius: 9.8

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.8 AU - 1.16 AU

Year: 670 Days

Day: 13.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,089,535 km

• M1: 122,820 km (0.115 R)
• M2: 502,649 km (0.055 R)
• M3: 860,637 km (0.1 R)
• M4: 1,315,414 km (0.07 R)
• M5: 2,202,230 km (0.093 R)
• M6: 2,515,488 km (0.071 R)
• M7: 4,127,106 km (0.05 R)
• M8: 5,795,571 km (0.096 R)
• M9: 6,213,398 km (0.047 R)
• M10: 6,545,206 km (0.09 R)
• M11: 6,910,823 km (0.081 R)
• M12: 8,361,025 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.1

Radius: 10

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.6 AU - 3.68 AU

Year: 3841 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,089,535 km

• M1: 125,961 km (0.077 R)
• M2: 477,965 km (0.054 R)
• M3: 1,699,432 km (0.039 R)
• M4: 3,680,856 km (0.092 R)
• M5: 4,395,485 km (0.098 R)
• M6: 5,152,899 km (0.095 R)
• M7: 6,754,942 km (0.073 R)
• M8: 7,246,970 km (0.103 R)
• M9: 9,038,853 km (0.07 R)
• M10: 12,638,178 km (0.086 R)
• M11: 13,931,751 km (0.087 R)
• M12: 15,558,328 km (0.101 R)
• M13: 16,624,063 km (0.053 R)
• M14: 18,619,250 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.9

Radius: 12.1

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.59 AU - 5.21 AU

Year: 6371 Days

Day: 7.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,089,535 km

• M1: 150,495 km (0.119 R)
• M2: 592,408 km (0.11 R)
• M3: 1,036,414 km (0.107 R)
• M4: 1,655,300 km (0.104 R)
• M5: 2,097,063 km (0.097 R)
• M6: 2,599,712 km (0.09 R)
• M7: 3,018,735 km (0.073 R)
• M8: 4,424,357 km (0.098 R)
• M9: 5,713,442 km (0.074 R)
• M10: 6,327,392 km (0.094 R)
• M11: 7,312,045 km (0.12 R)
• M12: 7,841,472 km (0.063 R)
• M13: 9,277,462 km (0.078 R)
• M14: 10,127,028 km (0.047 R)
• M15: 11,174,662 km (0.107 R)
• M16: 11,929,533 km (0.094 R)
• M17: 12,988,536 km (0.116 R)
• M18: 17,060,590 km (0.094 R)
• M19: 20,034,296 km (0.048 R)
• M20: 20,697,913 km (0.111 R)
• M21: 29,940,219 km (0.073 R)
• M22: 31,593,126 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.9

Radius: 13.7

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.17 AU - 4.71 AU

Year: 6458 Days

Day: 9.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,089,535 km

• M1: 170,392 km (0.053 R)
• M2: 666,907 km (0.082 R)
• M3: 1,140,235 km (0.07 R)
• M4: 2,922,993 km (0.113 R)
• M5: 6,772,296 km (0.081 R)
• M6: 8,304,028 km (0.065 R)
• M7: 8,849,612 km (0.088 R)
• M8: 10,274,831 km (0.1 R)
• M9: 13,103,726 km (0.111 R)
• M10: 14,781,616 km (0.075 R)
• M11: 16,416,721 km (0.078 R)
• M12: 18,299,111 km (0.084 R)
• M13: 20,461,698 km (0.071 R)
• M14: 21,099,433 km (0.103 R)
• M15: 22,340,198 km (0.105 R)
• M16: 23,016,530 km (0.066 R)
• M17: 24,174,118 km (0.04 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.7

Radius: 3.8

Gravity: 51.5 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.5 AU - 6.4 AU

Year: 10018 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 95.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,089,535 km

• M1: 49,517 km (0.091 R)
• M2: 185,352 km (0.111 R)
• M3: 670,647 km (0.083 R)
• M4: 1,515,277 km (0.106 R)
• M5: 1,899,893 km (0.104 R)
• M6: 2,604,499 km (0.086 R)
• M7: 2,815,731 km (0.111 R)
• M8: 3,646,149 km (0.114 R)
• M9: 5,261,956 km (0.114 R)
• M10: 6,469,210 km (0.072 R)
• M11: 8,562,683 km (0.098 R)
• M12: 10,167,718 km (0.091 R)
• M13: 13,455,431 km (0.117 R)
• M14: 14,085,836 km (0.095 R)
• M15: 14,604,043 km (0.106 R)
• M16: 15,269,754 km (0.095 R)
• M17: 20,752,965 km (0.052 R)
• M18: 25,657,381 km (0.095 R)
• M19: 29,358,283 km (0.055 R)
• M20: 32,050,745 km (0.089 R)
• M21: 35,731,152 km (0.094 R)
• M22: 37,058,684 km (0.064 R)
• M23: 37,672,783 km (0.079 R)
• M24: 39,301,156 km (0.105 R)
• M25: 44,882,054 km (0.073 R)
• M26: 45,160,306 km (0.079 R)
• M27: 49,029,206 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.5

Radius: 4.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.08 AU - 10.18 AU

Year: 22255 Days

Day: 16.8 Hours

Environment

Temp: -246 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,089,535 km

• M1: 60,288 km (0.093 R)
• M2: 1,015,321 km (0.052 R)
• M3: 1,665,772 km (0.06 R)
• M4: 5,953,995 km (0.12 R)
• M5: 6,273,686 km (0.034 R)
• M6: 10,676,052 km (0.079 R)
• M7: 11,981,593 km (0.108 R)
• M8: 17,034,410 km (0.1 R)
• M9: 23,266,358 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 11,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit