🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.4

Radius: 11.1

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.7 AU - 0.84 AU

Year: 458 Days

Day: 6.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,574,147 km

• M1: 138,378 km (0.064 R)
• M2: 492,027 km (0.119 R)
• M3: 967,898 km (0.114 R)
• M4: 1,358,498 km (0.05 R)
• M5: 1,937,143 km (0.082 R)
• M6: 2,375,016 km (0.116 R)
• M7: 3,020,531 km (0.119 R)
• M8: 3,532,604 km (0.074 R)
• M9: 4,888,260 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.4

Radius: 8.6

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.78 AU - 1.16 AU

Year: 648 Days

Day: 12.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,574,147 km

• M1: 106,962 km (0.054 R)
• M2: 427,850 km (0.112 R)
• M3: 771,177 km (0.116 R)
• M4: 1,280,109 km (0.116 R)
• M5: 2,007,903 km (0.099 R)
• M6: 2,413,313 km (0.095 R)
• M7: 2,952,763 km (0.076 R)
• M8: 4,437,372 km (0.047 R)
• M9: 4,766,338 km (0.067 R)
• M10: 6,384,538 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.5

Radius: 8.8

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.61 AU - 2.31 AU

Year: 1861 Days

Day: 11.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,574,147 km

• M1: 109,655 km (0.076 R)
• M2: 422,764 km (0.103 R)
• M3: 717,322 km (0.118 R)
• M4: 1,245,253 km (0.096 R)
• M5: 1,679,087 km (0.071 R)
• M6: 2,341,207 km (0.097 R)
• M7: 2,975,352 km (0.08 R)
• M8: 3,647,346 km (0.034 R)
• M9: 9,607,325 km (0.04 R)
• M10: 10,102,195 km (0.096 R)
• M11: 10,613,819 km (0.086 R)
• M12: 11,374,824 km (0.11 R)
• M13: 12,090,201 km (0.114 R)
• M14: 15,541,124 km (0.086 R)
• M15: 17,078,392 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883

Radius: 12.5

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.46 AU - 3.32 AU

Year: 3332 Days

Day: 10.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,574,147 km

• M1: 155,582 km (0.064 R)
• M2: 573,558 km (0.106 R)
• M3: 979,716 km (0.068 R)
• M4: 1,656,497 km (0.105 R)
• M5: 2,549,447 km (0.085 R)
• M6: 3,069,150 km (0.12 R)
• M7: 3,480,394 km (0.111 R)
• M8: 4,508,132 km (0.119 R)
• M9: 5,895,203 km (0.102 R)
• M10: 6,565,851 km (0.065 R)
• M11: 7,254,300 km (0.066 R)
• M12: 8,376,882 km (0.093 R)
• M13: 9,417,336 km (0.116 R)
• M14: 10,417,547 km (0.109 R)
• M15: 11,531,303 km (0.092 R)
• M16: 12,628,603 km (0.076 R)
• M17: 13,694,339 km (0.109 R)
• M18: 14,819,315 km (0.086 R)
• M19: 15,894,475 km (0.116 R)
• M20: 17,959,823 km (0.04 R)
• M21: 18,442,126 km (0.064 R)
• M22: 20,851,998 km (0.051 R)
• M23: 24,850,001 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.9

Radius: 8.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.41 AU - 4.53 AU

Year: 5365 Days

Day: 14.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,574,147 km

• M1: 105,915 km (0.066 R)
• M2: 393,143 km (0.107 R)
• M3: 778,059 km (0.075 R)
• M4: 1,537,866 km (0.072 R)
• M5: 2,389,976 km (0.077 R)
• M6: 2,946,480 km (0.09 R)
• M7: 3,961,651 km (0.119 R)
• M8: 4,225,990 km (0.057 R)
• M9: 5,298,158 km (0.097 R)
• M10: 5,592,567 km (0.112 R)
• M11: 6,126,781 km (0.047 R)
• M12: 7,007,314 km (0.037 R)
• M13: 7,594,934 km (0.097 R)
• M14: 8,144,407 km (0.112 R)
• M15: 8,573,604 km (0.091 R)
• M16: 9,131,304 km (0.097 R)
• M17: 10,737,238 km (0.095 R)
• M18: 12,289,764 km (0.08 R)
• M19: 12,664,507 km (0.089 R)
• M20: 14,498,577 km (0.095 R)
• M21: 15,614,727 km (0.092 R)
• M22: 16,616,284 km (0.098 R)
• M23: 17,483,054 km (0.093 R)
• M24: 18,318,858 km (0.044 R)
• M25: 18,685,223 km (0.042 R)
• M26: 20,721,848 km (0.116 R)
• M27: 21,320,389 km (0.103 R)
• M28: 25,006,331 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.1

Radius: 12.9

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.38 AU - 4.54 AU

Year: 6388 Days

Day: 14.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,574,147 km

• M1: 161,715 km (0.094 R)
• M2: 632,799 km (0.067 R)
• M3: 1,057,358 km (0.082 R)
• M4: 1,895,854 km (0.037 R)
• M5: 2,414,809 km (0.051 R)
• M6: 2,937,055 km (0.116 R)
• M7: 3,392,730 km (0.09 R)
• M8: 4,400,122 km (0.112 R)
• M9: 5,212,139 km (0.092 R)
• M10: 7,336,130 km (0.113 R)
• M11: 9,735,979 km (0.078 R)
• M12: 10,452,852 km (0.12 R)
• M13: 16,612,395 km (0.047 R)
• M14: 18,321,401 km (0.113 R)
• M15: 18,830,632 km (0.083 R)
• M16: 19,810,797 km (0.112 R)
• M17: 20,279,637 km (0.106 R)
• M18: 21,239,756 km (0.113 R)
• M19: 22,015,122 km (0.063 R)
• M20: 22,955,793 km (0.072 R)
• M21: 26,581,298 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.9

Radius: 14.6

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.11 AU - 5.73 AU

Year: 7402 Days

Day: 14.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,574,147 km

• M1: 181,612 km (0.111 R)
• M2: 709,543 km (0.094 R)
• M3: 1,324,988 km (0.114 R)
• M4: 2,414,809 km (0.082 R)
• M5: 3,203,938 km (0.102 R)
• M6: 3,771,512 km (0.063 R)
• M7: 6,123,789 km (0.103 R)
• M8: 7,266,567 km (0.114 R)
• M9: 9,755,277 km (0.044 R)
• M10: 12,297,394 km (0.105 R)
• M11: 13,029,376 km (0.104 R)
• M12: 15,998,146 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536

Radius: 6

Gravity: 14.89 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.29 AU - 6.47 AU

Year: 9671 Days

Day: 16.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,574,147 km

• M1: 74,799 km (0.084 R)
• M2: 858,991 km (0.091 R)
• M3: 1,094,009 km (0.105 R)
• M4: 2,875,869 km (0.117 R)
• M5: 4,608,811 km (0.094 R)
• M6: 5,594,960 km (0.065 R)
• M7: 6,207,863 km (0.114 R)
• M8: 7,769,515 km (0.104 R)
• M9: 8,102,221 km (0.092 R)
• M10: 9,670,754 km (0.101 R)
• M11: 10,401,091 km (0.091 R)
• M12: 11,378,264 km (0.045 R)
• M13: 11,807,461 km (0.096 R)
• M14: 12,812,609 km (0.049 R)
• M15: 13,336,052 km (0.112 R)
• M16: 13,813,119 km (0.117 R)
• M17: 14,991,951 km (0.072 R)
• M18: 15,312,988 km (0.041 R)
• M19: 19,379,357 km (0.042 R)
• M20: 19,760,383 km (0.058 R)
• M21: 20,068,704 km (0.095 R)
• M22: 21,496,316 km (0.065 R)
• M23: 24,287,214 km (0.054 R)
• M24: 25,088,311 km (0.098 R)
• M25: 28,176,609 km (0.076 R)
• M26: 29,862,278 km (0.077 R)
• M27: 30,781,258 km (0.084 R)
• M28: 31,719,087 km (0.114 R)
• M29: 31,930,020 km (0.081 R)
• M30: 37,161,457 km (0.084 R)
• M31: 37,396,027 km (0.106 R)
• M32: 42,936,384 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.5

Radius: 3.5

Gravity: 53.27 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 8.31 AU - 9.43 AU

Year: 17917 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,574,147 km

• M1: 43,832 km (0.035 R)
• M2: 166,652 km (0.068 R)
• M3: 312,660 km (0.101 R)
• M4: 753,973 km (0.063 R)
• M5: 1,156,242 km (0.103 R)
• M6: 2,634,269 km (0.116 R)
• M7: 2,776,387 km (0.07 R)
• M8: 2,973,856 km (0.105 R)
• M9: 3,919,315 km (0.104 R)
• M10: 5,049,078 km (0.076 R)
• M11: 6,593,077 km (0.058 R)
• M12: 8,998,162 km (0.09 R)
• M13: 10,395,107 km (0.095 R)
• M14: 10,870,828 km (0.086 R)
• M15: 11,298,978 km (0.071 R)
• M16: 14,178,886 km (0.104 R)
• M17: 17,679,028 km (0.101 R)
• M18: 18,528,145 km (0.097 R)
• M19: 20,033,249 km (0.073 R)
• M20: 23,084,148 km (0.11 R)
• M21: 23,790,400 km (0.117 R)
• M22: 25,034,605 km (0.094 R)
• M23: 28,218,946 km (0.063 R)
• M24: 29,848,665 km (0.091 R)
• M25: 30,445,411 km (0.113 R)
• M26: 37,269,318 km (0.042 R)
• M27: 41,254,605 km (0.098 R)
• M28: 42,894,945 km (0.115 R)
• M29: 52,267,252 km (0.045 R)
• M30: 62,525,926 km (0.116 R)
• M31: 64,290,583 km (0.108 R)
• M32: 68,124,178 km (0.026 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 19,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit