🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.6

Radius: 14.2

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.71 AU - 0.91 AU

Year: 512 Days

Day: 5.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,419,475 km

• M1: 176,525 km (0.117 R)
• M2: 694,882 km (0.087 R)
• M3: 1,220,419 km (0.03 R)
• M4: 1,771,987 km (0.095 R)
• M5: 2,705,178 km (0.113 R)
• M6: 3,616,229 km (0.092 R)
• M7: 5,164,418 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.7

Radius: 13.6

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.19 AU - 1.29 AU

Year: 971 Days

Day: 9 Hours

Environment

Temp: -183 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,419,475 km

• M1: 169,195 km (0.082 R)
• M2: 638,035 km (0.089 R)
• M3: 1,090,718 km (0.056 R)
• M4: 1,519,914 km (0.097 R)
• M5: 2,132,218 km (0.038 R)
• M6: 2,822,014 km (0.102 R)
• M7: 3,475,159 km (0.036 R)
• M8: 4,149,247 km (0.09 R)
• M9: 4,584,427 km (0.07 R)
• M10: 5,194,487 km (0.093 R)
• M11: 5,878,000 km (0.039 R)
• M12: 6,685,529 km (0.105 R)
• M13: 7,287,062 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.8

Radius: 9.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.5 AU - 3.08 AU

Year: 3276 Days

Day: 10.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,419,475 km

• M1: 120,875 km (0.096 R)
• M2: 464,352 km (0.035 R)
• M3: 845,826 km (0.04 R)
• M4: 1,340,397 km (0.069 R)
• M5: 1,660,387 km (0.101 R)
• M6: 2,609,735 km (0.031 R)
• M7: 3,068,851 km (0.095 R)
• M8: 3,477,702 km (0.106 R)
• M9: 3,960,005 km (0.051 R)
• M10: 4,820,043 km (0.071 R)
• M11: 5,420,679 km (0.114 R)
• M12: 6,145,780 km (0.052 R)
• M13: 7,044,115 km (0.06 R)
• M14: 7,847,755 km (0.075 R)
• M15: 9,671,203 km (0.082 R)
• M16: 11,335,928 km (0.083 R)
• M17: 12,076,587 km (0.068 R)
• M18: 13,353,555 km (0.092 R)
• M19: 14,402,385 km (0.066 R)
• M20: 14,855,218 km (0.119 R)
• M21: 15,789,606 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.4

Radius: 14.6

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.07 AU - 3.57 AU

Year: 4252 Days

Day: 7.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,419,475 km

• M1: 181,612 km (0.102 R)
• M2: 694,134 km (0.093 R)
• M3: 1,440,927 km (0.093 R)
• M4: 2,048,892 km (0.098 R)
• M5: 2,790,000 km (0.1 R)
• M6: 4,584,876 km (0.046 R)
• M7: 8,998,462 km (0.09 R)
• M8: 9,584,885 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.5

Radius: 3.1

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.3 AU - 6.2 AU

Year: 9692 Days

Day: 17.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 76.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,419,475 km

• M1: 42,187 km (0.039 R)
• M2: 159,920 km (0.118 R)
• M3: 272,268 km (0.031 R)
• M4: 467,942 km (0.11 R)
• M5: 743,501 km (0.1 R)
• M6: 925,263 km (0.073 R)
• M7: 1,639,892 km (0.054 R)
• M8: 2,059,215 km (0.072 R)
• M9: 3,276,193 km (0.111 R)
• M10: 3,848,704 km (0.08 R)
• M11: 4,413,736 km (0.118 R)
• M12: 4,903,968 km (0.108 R)
• M13: 5,762,360 km (0.048 R)
• M14: 8,741,752 km (0.056 R)
• M15: 9,590,869 km (0.067 R)
• M16: 11,273,097 km (0.104 R)
• M17: 14,097,954 km (0.097 R)
• M18: 25,325,274 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.2

Radius: 5.1

Gravity: 22.73 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.88 AU - 7.32 AU

Year: 13298 Days

Day: 15 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,419,475 km

• M1: 64,028 km (0.045 R)
• M2: 231,428 km (0.078 R)
• M3: 511,026 km (0.098 R)
• M4: 716,723 km (0.111 R)
• M5: 1,066,184 km (0.102 R)
• M6: 1,326,185 km (0.079 R)
• M7: 2,386,535 km (0.118 R)
• M8: 3,064,363 km (0.099 R)
• M9: 3,698,359 km (0.103 R)
• M10: 4,118,429 km (0.112 R)
• M11: 4,663,714 km (0.029 R)
• M12: 6,083,846 km (0.049 R)
• M13: 10,708,066 km (0.102 R)
• M14: 14,311,729 km (0.061 R)
• M15: 15,201,986 km (0.106 R)
• M16: 19,052,336 km (0.087 R)
• M17: 21,951,543 km (0.056 R)
• M18: 22,310,877 km (0.104 R)
• M19: 23,693,161 km (0.086 R)
• M20: 24,261,783 km (0.096 R)
• M21: 29,467,639 km (0.104 R)
• M22: 32,387,191 km (0.046 R)
• M23: 33,322,926 km (0.12 R)
• M24: 35,003,658 km (0.09 R)
• M25: 35,740,876 km (0.103 R)
• M26: 36,614,079 km (0.052 R)
• M27: 38,663,270 km (0.083 R)
• M28: 39,583,297 km (0.068 R)
• M29: 42,015,908 km (0.097 R)
• M30: 54,529,172 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428

Radius: 5.2

Gravity: 15.83 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 8.16 AU - 9.44 AU

Year: 18350 Days

Day: 20.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,419,475 km

• M1: 65,225 km (0.068 R)
• M2: 350,358 km (0.09 R)
• M3: 830,867 km (0.069 R)
• M4: 3,511,660 km (0.085 R)
• M5: 9,833,517 km (0.038 R)
• M6: 11,367,493 km (0.077 R)
• M7: 12,601,676 km (0.095 R)
• M8: 12,794,208 km (0.046 R)
• M9: 17,623,826 km (0.087 R)
• M10: 19,871,833 km (0.036 R)
• M11: 20,929,490 km (0.098 R)
• M12: 30,200,220 km (0.102 R)
• M13: 32,190,470 km (0.032 R)
• M14: 35,784,409 km (0.036 R)
• M15: 57,811,349 km (0.087 R)
• M16: 59,237,166 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 14,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit