🌌 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: 728.7

Radius: 8.5

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.76 AU - 0.78 AU

Year: 466 Days

Day: 5.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,454,867 km

• M1: 105,766 km (0.087 R)
• M2: 455,974 km (0.111 R)
• M3: 843,732 km (0.097 R)
• M4: 1,206,357 km (0.112 R)
• M5: 1,786,348 km (0.078 R)
• M6: 2,065,947 km (0.097 R)
• M7: 2,384,440 km (0.112 R)
• M8: 2,767,411 km (0.095 R)
• M9: 3,156,066 km (0.114 R)
• M10: 3,696,115 km (0.078 R)
• M11: 4,015,955 km (0.103 R)
• M12: 4,427,050 km (0.04 R)
• M13: 5,087,973 km (0.065 R)
• M14: 6,045,400 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.2

Radius: 12.9

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.93 AU - 1.03 AU

Year: 670 Days

Day: 6.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,454,867 km

• M1: 160,369 km (0.096 R)
• M2: 599,139 km (0.091 R)
• M3: 1,130,362 km (0.095 R)
• M4: 1,859,053 km (0.093 R)
• M5: 2,627,836 km (0.1 R)
• M6: 3,080,519 km (0.114 R)
• M7: 3,529,762 km (0.095 R)
• M8: 4,145,357 km (0.049 R)
• M9: 5,059,250 km (0.046 R)
• M10: 5,536,019 km (0.079 R)
• M11: 6,369,728 km (0.099 R)
• M12: 7,127,142 km (0.082 R)
• M13: 7,539,433 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.9

Radius: 9.3

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.89 AU - 1.31 AU

Year: 796 Days

Day: 5.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,454,867 km

• M1: 115,789 km (0.072 R)
• M2: 986,299 km (0.082 R)
• M3: 1,343,389 km (0.098 R)
• M4: 2,272,990 km (0.119 R)
• M5: 2,957,700 km (0.102 R)
• M6: 3,286,815 km (0.066 R)
• M7: 3,729,026 km (0.12 R)
• M8: 4,194,425 km (0.039 R)
• M9: 4,628,708 km (0.105 R)
• M10: 4,946,753 km (0.093 R)
• M11: 5,393,602 km (0.064 R)
• M12: 5,726,158 km (0.113 R)
• M13: 6,476,092 km (0.086 R)
• M14: 7,173,068 km (0.089 R)
• M15: 8,145,305 km (0.047 R)
• M16: 8,716,170 km (0.102 R)
• M17: 9,147,910 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.7

Radius: 10.5

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.75 AU - 4.29 AU

Year: 4559 Days

Day: 11.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,454,867 km

• M1: 130,599 km (0.095 R)
• M2: 486,941 km (0.115 R)
• M3: 832,063 km (0.1 R)
• M4: 1,392,158 km (0.104 R)
• M5: 2,728,067 km (0.101 R)
• M6: 3,095,180 km (0.074 R)
• M7: 4,400,421 km (0.12 R)
• M8: 4,751,827 km (0.095 R)
• M9: 5,483,211 km (0.04 R)
• M10: 5,980,923 km (0.034 R)
• M11: 7,375,923 km (0.115 R)
• M12: 8,020,091 km (0.099 R)
• M13: 8,585,272 km (0.108 R)
• M14: 9,420,776 km (0.032 R)
• M15: 9,837,406 km (0.093 R)
• M16: 11,253,649 km (0.116 R)
• M17: 12,550,513 km (0.066 R)
• M18: 15,154,713 km (0.11 R)
• M19: 15,727,374 km (0.12 R)
• M20: 17,407,807 km (0.066 R)
• M21: 19,271,198 km (0.059 R)
• M22: 23,164,183 km (0.075 R)
• M23: 24,622,613 km (0.086 R)
• M24: 25,095,641 km (0.061 R)
• M25: 25,978,568 km (0.101 R)
• M26: 26,386,671 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.5

Radius: 9.1

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.8 AU - 4.22 AU

Year: 5543 Days

Day: 14.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,454,867 km

• M1: 113,246 km (0.069 R)
• M2: 502,948 km (0.032 R)
• M3: 956,529 km (0.081 R)
• M4: 1,354,160 km (0.106 R)
• M5: 1,696,589 km (0.073 R)
• M6: 2,523,866 km (0.091 R)
• M7: 3,028,310 km (0.116 R)
• M8: 3,509,865 km (0.099 R)
• M9: 4,139,373 km (0.038 R)
• M10: 5,236,973 km (0.037 R)
• M11: 5,683,522 km (0.092 R)
• M12: 6,155,354 km (0.065 R)
• M13: 7,321,769 km (0.098 R)
• M14: 7,842,818 km (0.109 R)
• M15: 8,348,459 km (0.11 R)
• M16: 9,168,554 km (0.104 R)
• M17: 10,544,705 km (0.118 R)
• M18: 11,502,580 km (0.102 R)
• M19: 11,901,707 km (0.057 R)
• M20: 14,150,014 km (0.097 R)
• M21: 19,051,139 km (0.097 R)
• M22: 21,129,652 km (0.09 R)
• M23: 21,804,338 km (0.083 R)
• M24: 22,185,364 km (0.087 R)
• M25: 24,483,337 km (0.12 R)
• M26: 27,639,852 km (0.094 R)
• M27: 28,537,290 km (0.066 R)
• M28: 28,901,710 km (0.053 R)
• M29: 30,295,962 km (0.101 R)
• M30: 31,443,228 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.9

Radius: 6.7

Gravity: 21.52 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.42 AU - 7.34 AU

Year: 9842 Days

Day: 21 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,454,867 km

• M1: 83,326 km (0.107 R)
• M2: 447,597 km (0.047 R)
• M3: 1,005,896 km (0.086 R)
• M4: 1,261,409 km (0.098 R)
• M5: 1,711,549 km (0.077 R)
• M6: 2,097,512 km (0.066 R)
• M7: 2,359,906 km (0.069 R)
• M8: 2,751,254 km (0.113 R)
• M9: 3,355,779 km (0.09 R)
• M10: 3,716,161 km (0.108 R)
• M11: 4,423,908 km (0.096 R)
• M12: 4,668,501 km (0.089 R)
• M13: 4,954,233 km (0.053 R)
• M14: 5,738,126 km (0.074 R)
• M15: 6,368,681 km (0.056 R)
• M16: 8,078,285 km (0.098 R)
• M17: 8,351,900 km (0.084 R)
• M18: 9,111,857 km (0.115 R)
• M19: 9,609,569 km (0.102 R)
• M20: 10,125,382 km (0.115 R)
• M21: 11,044,212 km (0.109 R)
• M22: 11,667,736 km (0.078 R)
• M23: 14,398,047 km (0.084 R)
• M24: 15,418,454 km (0.073 R)
• M25: 16,705,744 km (0.104 R)
• M26: 17,150,349 km (0.093 R)
• M27: 22,039,357 km (0.117 R)
• M28: 22,844,642 km (0.108 R)
• M29: 23,300,467 km (0.104 R)
• M30: 23,669,525 km (0.088 R)
• M31: 26,362,586 km (0.071 R)
• M32: 27,066,444 km (0.101 R)
• M33: 29,146,602 km (0.099 R)
• M34: 32,006,913 km (0.088 R)
• M35: 34,808,433 km (0.112 R)
• M36: 41,701,005 km (0.097 R)
• M37: 52,074,869 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.4

Radius: 3.9

Gravity: 56.9 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.87 AU - 12.19 AU

Year: 21926 Days

Day: 24.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,454,867 km

• M1: 49,068 km (0.112 R)
• M2: 343,477 km (0.082 R)
• M3: 558,299 km (0.08 R)
• M4: 716,723 km (0.106 R)
• M5: 953,986 km (0.049 R)
• M6: 1,154,148 km (0.109 R)
• M7: 1,480,869 km (0.114 R)
• M8: 2,754,546 km (0.064 R)
• M9: 2,912,671 km (0.084 R)
• M10: 5,684,569 km (0.069 R)
• M11: 5,812,027 km (0.103 R)
• M12: 6,116,758 km (0.091 R)
• M13: 8,281,888 km (0.093 R)
• M14: 9,007,886 km (0.094 R)
• M15: 13,811,923 km (0.118 R)
• M16: 14,829,936 km (0.091 R)
• M17: 18,928,319 km (0.105 R)
• M18: 19,500,382 km (0.051 R)
• M19: 20,678,914 km (0.081 R)
• M20: 27,653,316 km (0.099 R)
• M21: 29,900,575 km (0.049 R)
• M22: 33,357,184 km (0.083 R)
• M23: 45,815,096 km (0.076 R)
• M24: 59,006,337 km (0.071 R)
• M25: 69,226,564 km (0.065 R)
• M26: 71,953,883 km (0.116 R)
• M27: 73,344,096 km (0.099 R)
• M28: 82,314,732 km (0.11 R)
• M29: 84,602,084 km (0.121 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 20,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit