🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.1

Radius: 10

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.68 AU - 1.12 AU

Year: 589 Days

Day: 13.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,129,036 km

• M1: 124,465 km (0.118 R)
• M2: 474,375 km (0.105 R)
• M3: 802,892 km (0.034 R)
• M4: 1,276,219 km (0.104 R)
• M5: 1,864,737 km (0.074 R)
• M6: 2,372,024 km (0.093 R)
• M7: 2,854,627 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.1

Radius: 8.9

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.83 AU - 1.33 AU

Year: 775 Days

Day: 8 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,129,036 km

• M1: 111,450 km (0.112 R)
• M2: 400,324 km (0.119 R)
• M3: 982,409 km (0.103 R)
• M4: 1,307,336 km (0.114 R)
• M5: 1,602,044 km (0.076 R)
• M6: 2,361,851 km (0.105 R)
• M7: 2,671,070 km (0.065 R)
• M8: 3,428,334 km (0.114 R)
• M9: 3,750,568 km (0.041 R)
• M10: 4,093,147 km (0.102 R)
• M11: 4,611,205 km (0.099 R)
• M12: 5,479,471 km (0.079 R)
• M13: 5,901,038 km (0.118 R)
• M14: 6,831,836 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 12.2

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.28 AU - 2.06 AU

Year: 1490 Days

Day: 9.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,129,036 km

• M1: 151,692 km (0.115 R)
• M2: 637,437 km (0.074 R)
• M3: 1,315,414 km (0.101 R)
• M4: 1,833,472 km (0.089 R)
• M5: 2,223,324 km (0.101 R)
• M6: 2,835,328 km (0.11 R)
• M7: 3,587,955 km (0.112 R)
• M8: 5,088,272 km (0.068 R)
• M9: 5,531,980 km (0.109 R)
• M10: 6,336,667 km (0.055 R)
• M11: 6,755,541 km (0.115 R)
• M12: 7,858,227 km (0.102 R)
• M13: 8,508,379 km (0.052 R)
• M14: 9,252,927 km (0.112 R)
• M15: 9,824,092 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.7

Radius: 8.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.74 AU - 3.9 AU

Year: 5154 Days

Day: 5.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,129,036 km

• M1: 110,702 km (0.115 R)
• M2: 400,324 km (0.071 R)
• M3: 1,167,761 km (0.097 R)
• M4: 1,883,138 km (0.093 R)
• M5: 2,235,740 km (0.082 R)
• M6: 2,664,787 km (0.115 R)
• M7: 3,075,433 km (0.1 R)
• M8: 5,004,348 km (0.104 R)
• M9: 5,796,469 km (0.11 R)
• M10: 6,458,439 km (0.067 R)
• M11: 8,036,248 km (0.073 R)
• M12: 9,310,373 km (0.101 R)
• M13: 10,546,949 km (0.053 R)
• M14: 11,444,686 km (0.117 R)
• M15: 12,719,858 km (0.066 R)
• M16: 13,736,525 km (0.028 R)
• M17: 14,341,200 km (0.091 R)
• M18: 17,111,304 km (0.05 R)
• M19: 20,090,844 km (0.065 R)
• M20: 21,804,338 km (0.106 R)
• M21: 24,262,082 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419

Radius: 5.5

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.54 AU - 7 AU

Year: 10837 Days

Day: 23.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 123.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,129,036 km

• M1: 68,366 km (0.096 R)
• M2: 243,994 km (0.051 R)
• M3: 465,399 km (0.1 R)
• M4: 813,064 km (0.086 R)
• M5: 1,009,337 km (0.115 R)
• M6: 1,202,617 km (0.11 R)
• M7: 1,408,015 km (0.085 R)
• M8: 1,622,688 km (0.1 R)
• M9: 4,026,427 km (0.094 R)
• M10: 4,240,202 km (0.113 R)
• M11: 4,490,030 km (0.081 R)
• M12: 5,204,061 km (0.078 R)
• M13: 5,523,004 km (0.115 R)
• M14: 5,922,729 km (0.044 R)
• M15: 6,164,779 km (0.109 R)
• M16: 6,558,371 km (0.099 R)
• M17: 7,316,682 km (0.08 R)
• M18: 8,216,513 km (0.117 R)
• M19: 8,431,037 km (0.089 R)
• M20: 9,051,270 km (0.039 R)
• M21: 9,989,547 km (0.099 R)
• M22: 10,233,841 km (0.104 R)
• M23: 13,250,033 km (0.112 R)
• M24: 17,862,435 km (0.037 R)
• M25: 20,329,752 km (0.116 R)
• M26: 22,095,306 km (0.075 R)
• M27: 24,222,887 km (0.061 R)
• M28: 25,200,809 km (0.111 R)
• M29: 26,297,361 km (0.088 R)
• M30: 27,616,365 km (0.109 R)
• M31: 27,808,299 km (0.069 R)
• M32: 28,195,010 km (0.091 R)
• M33: 32,260,482 km (0.077 R)
• M34: 33,117,977 km (0.046 R)
• M35: 34,321,641 km (0.069 R)
• M36: 37,634,187 km (0.083 R)
• M37: 39,065,090 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.3

Radius: 3.4

Gravity: 20.01 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.11 AU - 7.85 AU

Year: 14121 Days

Day: 18.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 82.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,129,036 km

• M1: 42,935 km (0.109 R)
• M2: 162,463 km (0.094 R)
• M3: 368,011 km (0.111 R)
• M4: 520,301 km (0.098 R)
• M5: 651,948 km (0.057 R)
• M6: 832,213 km (0.088 R)
• M7: 1,280,558 km (0.094 R)
• M8: 1,721,124 km (0.12 R)
• M9: 2,708,170 km (0.063 R)
• M10: 4,207,889 km (0.094 R)
• M11: 5,132,703 km (0.088 R)
• M12: 6,433,157 km (0.069 R)
• M13: 7,571,896 km (0.105 R)
• M14: 8,487,734 km (0.044 R)
• M15: 8,749,830 km (0.105 R)
• M16: 9,475,230 km (0.083 R)
• M17: 10,044,749 km (0.047 R)
• M18: 11,621,361 km (0.111 R)
• M19: 16,436,318 km (0.072 R)
• M20: 16,639,023 km (0.11 R)
• M21: 17,536,461 km (0.073 R)
• M22: 17,890,110 km (0.054 R)
• M23: 18,684,924 km (0.034 R)
• M24: 21,936,134 km (0.102 R)
• M25: 26,830,378 km (0.105 R)
• M26: 31,669,271 km (0.065 R)
• M27: 33,044,225 km (0.085 R)
• M28: 33,367,057 km (0.11 R)
• M29: 38,584,133 km (0.105 R)
• M30: 38,703,213 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.9

Radius: 6.9

Gravity: 15.9 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.05 AU - 9.49 AU

Year: 17927 Days

Day: 20.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,129,036 km

• M1: 85,869 km (0.109 R)
• M2: 619,186 km (0.12 R)
• M3: 1,121,086 km (0.089 R)
• M4: 1,571,974 km (0.115 R)
• M5: 2,137,903 km (0.103 R)
• M6: 2,831,888 km (0.117 R)
• M7: 3,217,551 km (0.103 R)
• M8: 4,587,419 km (0.045 R)
• M9: 5,083,336 km (0.101 R)
• M10: 5,306,386 km (0.112 R)
• M11: 5,653,603 km (0.108 R)
• M12: 6,139,796 km (0.077 R)
• M13: 9,661,479 km (0.079 R)
• M14: 10,004,806 km (0.111 R)
• M15: 10,356,212 km (0.112 R)
• M16: 11,587,552 km (0.074 R)
• M17: 13,971,992 km (0.105 R)
• M18: 14,263,858 km (0.105 R)
• M19: 14,935,253 km (0.059 R)
• M20: 16,828,863 km (0.1 R)
• M21: 17,833,113 km (0.112 R)
• M22: 18,350,124 km (0.106 R)
• M23: 19,323,557 km (0.092 R)
• M24: 23,460,686 km (0.095 R)
• M25: 24,818,885 km (0.06 R)
• M26: 29,564,878 km (0.079 R)
• M27: 30,654,997 km (0.07 R)
• M28: 31,396,554 km (0.054 R)
• M29: 32,403,796 km (0.111 R)
• M30: 38,331,762 km (0.116 R)
• M31: 49,187,032 km (0.109 R)
• M32: 51,059,997 km (0.062 R)
• M33: 52,276,378 km (0.115 R)
• M34: 67,370,803 km (0.09 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: 523 - 14,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit