🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.9

Radius: 12.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.65 AU - 0.93 AU

Year: 476 Days

Day: 5.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,651,272 km

• M1: 156,330 km (0.06 R)
• M2: 558,898 km (0.106 R)
• M3: 1,126,173 km (0.037 R)
• M4: 1,597,107 km (0.079 R)
• M5: 2,053,231 km (0.099 R)
• M6: 2,516,835 km (0.079 R)
• M7: 2,971,313 km (0.104 R)
• M8: 4,258,752 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 11.7

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.98 AU - 4.2 AU

Year: 4614 Days

Day: 5.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,651,272 km

• M1: 145,559 km (0.055 R)
• M2: 815,458 km (0.094 R)
• M3: 1,317,060 km (0.108 R)
• M4: 1,850,077 km (0.093 R)
• M5: 2,429,769 km (0.111 R)
• M6: 2,963,983 km (0.111 R)
• M7: 3,955,667 km (0.106 R)
• M8: 4,456,969 km (0.092 R)
• M9: 4,847,869 km (0.074 R)
• M10: 5,956,090 km (0.076 R)
• M11: 6,932,814 km (0.095 R)
• M12: 7,392,528 km (0.088 R)
• M13: 8,373,142 km (0.066 R)
• M14: 9,241,708 km (0.102 R)
• M15: 11,562,270 km (0.026 R)
• M16: 12,163,055 km (0.115 R)
• M17: 12,882,022 km (0.077 R)
• M18: 15,707,028 km (0.08 R)
• M19: 16,733,868 km (0.091 R)
• M20: 17,926,911 km (0.062 R)
• M21: 19,175,754 km (0.119 R)
• M22: 20,548,614 km (0.094 R)
• M23: 22,196,434 km (0.118 R)
• M24: 23,783,069 km (0.1 R)
• M25: 24,755,306 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.6

Radius: 14.3

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.95 AU - 4.35 AU

Year: 4730 Days

Day: 9.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,651,272 km

• M1: 177,872 km (0.119 R)
• M2: 698,024 km (0.065 R)
• M3: 1,156,392 km (0.05 R)
• M4: 1,802,056 km (0.09 R)
• M5: 3,149,334 km (0.102 R)
• M6: 4,181,859 km (0.09 R)
• M7: 4,814,209 km (0.077 R)
• M8: 6,154,606 km (0.099 R)
• M9: 6,818,073 km (0.115 R)
• M10: 7,462,391 km (0.106 R)
• M11: 8,835,849 km (0.102 R)
• M12: 9,841,446 km (0.077 R)
• M13: 12,736,763 km (0.101 R)
• M14: 13,867,423 km (0.099 R)
• M15: 15,660,055 km (0.063 R)
• M16: 16,612,245 km (0.103 R)
• M17: 17,131,799 km (0.077 R)
• M18: 18,942,531 km (0.057 R)
• M19: 23,804,312 km (0.106 R)
• M20: 24,317,433 km (0.095 R)
• M21: 25,365,815 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 11.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.89 AU - 4.95 AU

Year: 6303 Days

Day: 6.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,651,272 km

• M1: 143,016 km (0.112 R)
• M2: 510,428 km (0.118 R)
• M3: 994,227 km (0.059 R)
• M4: 1,582,596 km (0.119 R)
• M5: 2,190,711 km (0.119 R)
• M6: 3,082,614 km (0.092 R)
• M7: 4,724,301 km (0.109 R)
• M8: 5,750,243 km (0.033 R)
• M9: 6,144,134 km (0.052 R)
• M10: 8,164,154 km (0.103 R)
• M11: 9,637,394 km (0.063 R)
• M12: 11,094,477 km (0.095 R)
• M13: 11,468,921 km (0.097 R)
• M14: 12,342,273 km (0.077 R)
• M15: 14,607,783 km (0.11 R)
• M16: 15,114,920 km (0.113 R)
• M17: 15,692,218 km (0.088 R)
• M18: 16,404,304 km (0.093 R)
• M19: 17,956,980 km (0.077 R)
• M20: 20,571,353 km (0.083 R)
• M21: 21,786,835 km (0.067 R)
• M22: 23,125,138 km (0.071 R)
• M23: 24,675,870 km (0.081 R)
• M24: 29,118,777 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.4

Radius: 14.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.76 AU - 5.6 AU

Year: 6867 Days

Day: 10.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,651,272 km

• M1: 180,265 km (0.101 R)
• M2: 690,993 km (0.119 R)
• M3: 1,925,923 km (0.101 R)
• M4: 2,556,478 km (0.118 R)
• M5: 5,287,088 km (0.116 R)
• M6: 5,922,131 km (0.045 R)
• M7: 8,683,558 km (0.115 R)
• M8: 9,570,225 km (0.074 R)
• M9: 10,370,573 km (0.049 R)
• M10: 11,266,365 km (0.118 R)
• M11: 12,595,393 km (0.084 R)
• M12: 16,143,705 km (0.074 R)
• M13: 17,415,735 km (0.097 R)
• M14: 20,848,707 km (0.096 R)
• M15: 24,106,500 km (0.115 R)
• M16: 27,972,259 km (0.086 R)
• M17: 33,071,302 km (0.088 R)
• M18: 34,681,574 km (0.074 R)
• M19: 35,561,508 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.3

Radius: 6.1

Gravity: 20.94 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.6 AU - 7.58 AU

Year: 11474 Days

Day: 15.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,651,272 km

• M1: 78,389 km (0.111 R)
• M2: 271,969 km (0.047 R)
• M3: 475,721 km (0.061 R)
• M4: 952,340 km (0.093 R)
• M5: 1,317,209 km (0.091 R)
• M6: 1,691,653 km (0.092 R)
• M7: 3,080,968 km (0.108 R)
• M8: 3,400,060 km (0.113 R)
• M9: 5,798,264 km (0.053 R)
• M10: 6,323,801 km (0.073 R)
• M11: 6,678,199 km (0.087 R)
• M12: 7,340,768 km (0.067 R)
• M13: 8,699,715 km (0.034 R)
• M14: 9,039,451 km (0.054 R)
• M15: 9,387,865 km (0.056 R)
• M16: 11,612,236 km (0.083 R)
• M17: 12,324,321 km (0.078 R)
• M18: 13,640,035 km (0.11 R)
• M19: 14,298,415 km (0.096 R)
• M20: 15,116,117 km (0.025 R)
• M21: 15,749,664 km (0.082 R)
• M22: 19,348,091 km (0.039 R)
• M23: 20,178,658 km (0.117 R)
• M24: 20,517,348 km (0.098 R)
• M25: 21,380,976 km (0.044 R)
• M26: 24,690,979 km (0.112 R)
• M27: 33,236,907 km (0.057 R)
• M28: 37,143,955 km (0.081 R)
• M29: 38,554,662 km (0.077 R)
• M30: 40,133,967 km (0.054 R)
• M31: 47,477,727 km (0.063 R)
• M32: 51,464,211 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.3

Radius: 6.8

Gravity: 16.38 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.43 AU - 6.83 AU

Year: 11579 Days

Day: 15.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,651,272 km

• M1: 101,727 km (0.1 R)
• M2: 495,468 km (0.044 R)
• M3: 748,438 km (0.117 R)
• M4: 1,374,505 km (0.094 R)
• M5: 1,790,088 km (0.064 R)
• M6: 2,081,355 km (0.1 R)
• M7: 2,716,249 km (0.106 R)
• M8: 3,576,885 km (0.083 R)
• M9: 3,845,413 km (0.098 R)
• M10: 4,303,033 km (0.081 R)
• M11: 5,157,087 km (0.105 R)
• M12: 7,195,957 km (0.115 R)
• M13: 10,083,944 km (0.059 R)
• M14: 10,512,392 km (0.053 R)
• M15: 11,348,494 km (0.098 R)
• M16: 13,859,196 km (0.067 R)
• M17: 14,321,902 km (0.111 R)
• M18: 16,643,661 km (0.096 R)
• M19: 19,614,525 km (0.067 R)
• M20: 22,286,044 km (0.07 R)
• M21: 22,556,816 km (0.099 R)
• M22: 23,104,942 km (0.056 R)
• M23: 23,755,543 km (0.086 R)
• M24: 31,285,104 km (0.109 R)
• M25: 32,542,174 km (0.095 R)
• M26: 33,477,161 km (0.06 R)
• M27: 37,524,382 km (0.032 R)
• M28: 38,164,661 km (0.038 R)
• M29: 39,996,487 km (0.114 R)
• M30: 41,340,175 km (0.119 R)
• M31: 47,760,766 km (0.113 R)
• M32: 49,120,012 km (0.083 R)
• M33: 50,504,840 km (0.1 R)
• M34: 51,599,746 km (0.064 R)
• M35: 52,550,740 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 15,281 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit