🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.7

Radius: 9.4

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.47 AU - 0.57 AU

Year: 254 Days

Day: 10.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,929,290 km

• M1: 116,986 km (0.119 R)
• M2: 482,902 km (0.081 R)
• M3: 891,155 km (0.086 R)
• M4: 1,203,066 km (0.057 R)
• M5: 1,508,096 km (0.114 R)
• M6: 1,815,969 km (0.097 R)
• M7: 2,254,590 km (0.047 R)
• M8: 2,753,498 km (0.069 R)
• M9: 3,136,170 km (0.106 R)
• M10: 3,690,131 km (0.052 R)
• M11: 4,489,283 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.8

Radius: 13.9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.55 AU - 0.73 AU

Year: 347 Days

Day: 5.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,929,290 km

• M1: 173,384 km (0.046 R)
• M2: 685,457 km (0.057 R)
• M3: 1,149,660 km (0.116 R)
• M4: 1,720,974 km (0.09 R)
• M5: 2,326,696 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.5

Radius: 11.5

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.96 AU - 1.26 AU

Year: 793 Days

Day: 6.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,929,290 km

• M1: 147,204 km (0.091 R)
• M2: 590,164 km (0.106 R)
• M3: 1,032,375 km (0.112 R)
• M4: 1,396,347 km (0.058 R)
• M5: 1,921,585 km (0.097 R)
• M6: 2,332,081 km (0.112 R)
• M7: 2,728,964 km (0.067 R)
• M8: 3,211,118 km (0.073 R)
• M9: 3,885,805 km (0.075 R)
• M10: 4,618,385 km (0.083 R)
• M11: 6,775,288 km (0.093 R)
• M12: 8,342,774 km (0.073 R)
• M13: 9,448,452 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.4

Radius: 11.6

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.03 AU - 1.65 AU

Year: 1052 Days

Day: 7.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,929,290 km

• M1: 144,362 km (0.072 R)
• M2: 540,946 km (0.067 R)
• M3: 1,067,530 km (0.073 R)
• M4: 1,785,451 km (0.097 R)
• M5: 2,544,361 km (0.051 R)
• M6: 3,767,024 km (0.073 R)
• M7: 4,643,967 km (0.117 R)
• M8: 5,756,077 km (0.088 R)
• M9: 6,408,922 km (0.055 R)
• M10: 6,990,110 km (0.102 R)
• M11: 7,505,176 km (0.119 R)
• M12: 7,940,505 km (0.08 R)
• M13: 8,419,817 km (0.095 R)
• M14: 8,806,079 km (0.078 R)
• M15: 9,495,575 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 12.1

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2 AU - 2.86 AU

Year: 2569 Days

Day: 13.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,929,290 km

• M1: 151,692 km (0.117 R)
• M2: 572,661 km (0.037 R)
• M3: 1,378,844 km (0.088 R)
• M4: 1,875,359 km (0.05 R)
• M5: 2,300,067 km (0.075 R)
• M6: 3,363,858 km (0.047 R)
• M7: 3,818,934 km (0.088 R)
• M8: 4,690,043 km (0.048 R)
• M9: 6,983,827 km (0.077 R)
• M10: 8,165,650 km (0.112 R)
• M11: 8,649,450 km (0.044 R)
• M12: 11,068,148 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.8

Radius: 13.6

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.23 AU - 2.81 AU

Year: 2713 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 136.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 78,929,290 km

• M1: 169,195 km (0.089 R)
• M2: 611,406 km (0.061 R)
• M3: 2,797,181 km (0.028 R)
• M4: 4,404,909 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.4

Radius: 14.5

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.88 AU - 5.3 AU

Year: 7789 Days

Day: 7.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,929,290 km

• M1: 249,080 km (0.06 R)
• M2: 1,082,640 km (0.117 R)
• M3: 2,464,475 km (0.071 R)
• M4: 4,281,790 km (0.115 R)
• M5: 4,840,389 km (0.096 R)
• M6: 8,733,374 km (0.079 R)
• M7: 9,458,325 km (0.095 R)
• M8: 9,926,866 km (0.116 R)
• M9: 10,755,339 km (0.093 R)
• M10: 12,294,851 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.9

Radius: 4.1

Gravity: 39.2 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.84 AU - 11.22 AU

Year: 21545 Days

Day: 22.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,929,290 km

• M1: 51,013 km (0.109 R)
• M2: 190,737 km (0.064 R)
• M3: 459,415 km (0.081 R)
• M4: 626,965 km (0.074 R)
• M5: 781,499 km (0.116 R)
• M6: 985,850 km (0.081 R)
• M7: 1,210,995 km (0.102 R)
• M8: 1,405,622 km (0.091 R)
• M9: 2,096,614 km (0.116 R)
• M10: 2,860,012 km (0.113 R)
• M11: 5,137,191 km (0.099 R)
• M12: 5,978,829 km (0.11 R)
• M13: 6,366,287 km (0.068 R)
• M14: 9,792,976 km (0.104 R)
• M15: 11,727,875 km (0.086 R)
• M16: 13,903,327 km (0.044 R)
• M17: 14,813,032 km (0.084 R)
• M18: 16,666,250 km (0.116 R)
• M19: 18,398,743 km (0.117 R)
• M20: 18,668,617 km (0.115 R)
• M21: 23,038,820 km (0.114 R)
• M22: 33,327,713 km (0.104 R)
• M23: 33,461,005 km (0.09 R)
• M24: 34,132,849 km (0.093 R)
• M25: 36,625,598 km (0.103 R)
• M26: 38,646,516 km (0.115 R)
• M27: 41,970,131 km (0.025 R)
• M28: 42,594,254 km (0.026 R)
• M29: 49,179,253 km (0.111 R)
• M30: 51,992,590 km (0.102 R)
• M31: 59,100,284 km (0.118 R)
• M32: 67,253,069 km (0.066 R)
• M33: 68,107,273 km (0.051 R)
• M34: 73,385,235 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 17,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit