🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.9

Radius: 8.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.65 AU - 0.85 AU

Year: 433 Days

Day: 11.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,068,304 km

• M1: 106,962 km (0.103 R)
• M2: 399,726 km (0.108 R)
• M3: 794,963 km (0.085 R)
• M4: 1,164,171 km (0.082 R)
• M5: 1,696,889 km (0.048 R)
• M6: 1,966,165 km (0.107 R)
• M7: 3,096,526 km (0.075 R)
• M8: 3,439,554 km (0.102 R)
• M9: 3,740,994 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.1

Radius: 8.9

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.76 AU - 0.82 AU

Year: 468 Days

Day: 12.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,068,304 km

• M1: 110,702 km (0.114 R)
• M2: 552,914 km (0.117 R)
• M3: 877,691 km (0.113 R)
• M4: 1,157,140 km (0.077 R)
• M5: 1,457,981 km (0.093 R)
• M6: 1,850,077 km (0.049 R)
• M7: 2,204,624 km (0.112 R)
• M8: 2,584,752 km (0.091 R)
• M9: 3,118,517 km (0.059 R)
• M10: 3,673,825 km (0.034 R)
• M11: 4,035,103 km (0.114 R)
• M12: 4,434,081 km (0.104 R)
• M13: 5,199,872 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.4

Radius: 11.8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.84 AU - 4.02 AU

Year: 4236 Days

Day: 10 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,068,304 km

• M1: 156,180 km (0.1 R)
• M2: 529,726 km (0.074 R)
• M3: 898,634 km (0.107 R)
• M4: 1,270,535 km (0.109 R)
• M5: 1,786,947 km (0.047 R)
• M6: 2,590,287 km (0.105 R)
• M7: 2,962,337 km (0.111 R)
• M8: 3,996,358 km (0.044 R)
• M9: 4,422,861 km (0.113 R)
• M10: 4,906,062 km (0.091 R)
• M11: 6,570,937 km (0.084 R)
• M12: 7,270,606 km (0.12 R)
• M13: 7,764,129 km (0.071 R)
• M14: 8,469,783 km (0.106 R)
• M15: 9,462,813 km (0.067 R)
• M16: 10,531,690 km (0.064 R)
• M17: 15,393,621 km (0.025 R)
• M18: 15,797,834 km (0.1 R)
• M19: 16,748,529 km (0.08 R)
• M20: 19,627,091 km (0.11 R)
• M21: 21,864,776 km (0.058 R)
• M22: 22,671,707 km (0.088 R)
• M23: 24,423,199 km (0.081 R)
• M24: 28,539,085 km (0.095 R)
• M25: 29,414,382 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.2

Radius: 11.5

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.53 AU - 3.65 AU

Year: 4536 Days

Day: 12.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,068,304 km

• M1: 143,016 km (0.108 R)
• M2: 661,971 km (0.112 R)
• M3: 1,084,285 km (0.099 R)
• M4: 1,603,091 km (0.057 R)
• M5: 2,478,089 km (0.045 R)
• M6: 3,582,271 km (0.082 R)
• M7: 4,294,207 km (0.093 R)
• M8: 5,292,922 km (0.092 R)
• M9: 10,289,790 km (0.063 R)
• M10: 15,050,743 km (0.081 R)
• M11: 15,807,558 km (0.063 R)
• M12: 18,036,267 km (0.054 R)
• M13: 21,179,319 km (0.111 R)
• M14: 21,981,762 km (0.115 R)
• M15: 25,395,585 km (0.091 R)
• M16: 26,301,250 km (0.101 R)
• M17: 28,264,573 km (0.099 R)
• M18: 29,777,007 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.7

Radius: 11.4

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.48 AU - 3.84 AU

Year: 4669 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,068,304 km

• M1: 141,819 km (0.069 R)
• M2: 547,229 km (0.106 R)
• M3: 1,051,972 km (0.118 R)
• M4: 1,557,015 km (0.077 R)
• M5: 3,187,033 km (0.114 R)
• M6: 3,571,948 km (0.064 R)
• M7: 4,800,147 km (0.119 R)
• M8: 6,376,011 km (0.094 R)
• M9: 7,266,866 km (0.097 R)
• M10: 7,774,901 km (0.098 R)
• M11: 11,463,086 km (0.117 R)
• M12: 14,387,725 km (0.042 R)
• M13: 16,128,146 km (0.027 R)
• M14: 17,215,274 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.2

Radius: 9.9

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.92 AU - 4.22 AU

Year: 5475 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,068,304 km

• M1: 123,418 km (0.043 R)
• M2: 436,377 km (0.111 R)
• M3: 761,304 km (0.09 R)
• M4: 1,987,857 km (0.118 R)
• M5: 2,577,123 km (0.05 R)
• M6: 3,510,912 km (0.046 R)
• M7: 4,151,640 km (0.118 R)
• M8: 4,841,585 km (0.117 R)
• M9: 5,371,611 km (0.029 R)
• M10: 5,726,008 km (0.033 R)
• M11: 6,681,041 km (0.068 R)
• M12: 7,664,946 km (0.037 R)
• M13: 8,863,823 km (0.074 R)
• M14: 10,590,033 km (0.105 R)
• M15: 13,421,921 km (0.112 R)
• M16: 15,568,501 km (0.114 R)
• M17: 18,528,295 km (0.103 R)
• M18: 21,547,180 km (0.112 R)
• M19: 22,902,985 km (0.047 R)
• M20: 26,034,517 km (0.114 R)
• M21: 26,455,635 km (0.065 R)
• M22: 27,225,017 km (0.114 R)
• M23: 27,921,395 km (0.076 R)
• M24: 29,714,326 km (0.099 R)
• M25: 30,081,888 km (0.048 R)
• M26: 30,732,489 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.3

Radius: 3.7

Gravity: 62.7 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.22 AU - 11.86 AU

Year: 19650 Days

Day: 18.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,068,304 km

• M1: 46,076 km (0.071 R)
• M2: 249,828 km (0.094 R)
• M3: 410,048 km (0.062 R)
• M4: 646,712 km (0.092 R)
• M5: 2,063,254 km (0.108 R)
• M6: 2,483,175 km (0.03 R)
• M7: 2,801,819 km (0.048 R)
• M8: 3,287,114 km (0.071 R)
• M9: 4,116,784 km (0.094 R)
• M10: 4,387,406 km (0.055 R)
• M11: 7,137,763 km (0.079 R)
• M12: 7,627,846 km (0.112 R)
• M13: 9,404,171 km (0.045 R)
• M14: 9,519,960 km (0.115 R)
• M15: 11,048,551 km (0.116 R)
• M16: 12,946,349 km (0.037 R)
• M17: 14,122,937 km (0.115 R)
• M18: 14,351,223 km (0.117 R)
• M19: 14,971,904 km (0.109 R)
• M20: 20,596,186 km (0.111 R)
• M21: 22,710,004 km (0.104 R)
• M22: 26,316,958 km (0.099 R)
• M23: 26,778,468 km (0.061 R)
• M24: 27,955,952 km (0.113 R)
• M25: 31,694,702 km (0.11 R)
• M26: 35,894,363 km (0.11 R)
• M27: 41,373,984 km (0.038 R)
• M28: 43,745,709 km (0.073 R)
• M29: 44,555,931 km (0.108 R)
• M30: 47,726,059 km (0.047 R)
• M31: 49,278,885 km (0.085 R)
• M32: 60,900,994 km (0.06 R)
• M33: 61,303,562 km (0.088 R)
• M34: 77,241,121 km (0.112 R)
• M35: 78,423,841 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 13,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit