🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.5

Radius: 14.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.98 AU - 1.22 AU

Year: 757 Days

Day: 5.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,728,146 km

• M1: 180,415 km (0.075 R)
• M2: 648,208 km (0.074 R)
• M3: 1,175,989 km (0.072 R)
• M4: 1,659,190 km (0.092 R)
• M5: 2,445,626 km (0.099 R)
• M6: 3,078,724 km (0.116 R)
• M7: 4,101,076 km (0.093 R)
• M8: 4,720,561 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.3

Radius: 12.8

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.18 AU - 1.66 AU

Year: 1110 Days

Day: 13.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,728,146 km

• M1: 173,683 km (0.108 R)
• M2: 1,366,577 km (0.116 R)
• M3: 2,064,600 km (0.081 R)
• M4: 3,855,736 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.5

Radius: 12.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.92 AU - 2.72 AU

Year: 2318 Days

Day: 5.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,728,146 km

• M1: 155,432 km (0.086 R)
• M2: 634,594 km (0.104 R)
• M3: 1,035,516 km (0.098 R)
• M4: 1,541,008 km (0.086 R)
• M5: 2,269,250 km (0.065 R)
• M6: 2,893,223 km (0.096 R)
• M7: 3,339,623 km (0.119 R)
• M8: 4,132,342 km (0.088 R)
• M9: 4,902,621 km (0.119 R)
• M10: 5,453,142 km (0.114 R)
• M11: 6,454,251 km (0.112 R)
• M12: 7,546,764 km (0.112 R)
• M13: 8,108,504 km (0.099 R)
• M14: 9,475,230 km (0.104 R)
• M15: 10,196,890 km (0.102 R)
• M16: 10,744,418 km (0.046 R)
• M17: 12,467,487 km (0.09 R)
• M18: 13,659,333 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 12.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.02 AU - 2.64 AU

Year: 2333 Days

Day: 9 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,728,146 km

• M1: 160,369 km (0.072 R)
• M2: 563,386 km (0.09 R)
• M3: 1,015,022 km (0.118 R)
• M4: 1,473,838 km (0.118 R)
• M5: 1,911,861 km (0.066 R)
• M6: 3,235,652 km (0.106 R)
• M7: 4,259,351 km (0.093 R)
• M8: 5,325,684 km (0.117 R)
• M9: 6,122,143 km (0.117 R)
• M10: 6,589,188 km (0.12 R)
• M11: 7,832,197 km (0.101 R)
• M12: 8,289,966 km (0.097 R)
• M13: 10,928,274 km (0.088 R)
• M14: 14,038,713 km (0.055 R)
• M15: 14,487,806 km (0.091 R)
• M16: 15,941,448 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.7

Radius: 12.6

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.88 AU - 3.3 AU

Year: 3563 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,728,146 km

• M1: 157,078 km (0.074 R)
• M2: 867,518 km (0.117 R)
• M3: 1,407,118 km (0.098 R)
• M4: 1,853,966 km (0.029 R)
• M5: 3,150,531 km (0.049 R)
• M6: 3,743,836 km (0.108 R)
• M7: 4,642,321 km (0.09 R)
• M8: 5,413,349 km (0.075 R)
• M9: 6,326,045 km (0.112 R)
• M10: 7,146,889 km (0.085 R)
• M11: 7,833,393 km (0.093 R)
• M12: 9,112,455 km (0.103 R)
• M13: 10,039,513 km (0.094 R)
• M14: 10,526,155 km (0.038 R)
• M15: 11,071,140 km (0.111 R)
• M16: 12,866,913 km (0.113 R)
• M17: 14,488,554 km (0.091 R)
• M18: 15,643,001 km (0.106 R)
• M19: 18,015,922 km (0.093 R)
• M20: 18,735,787 km (0.092 R)
• M21: 19,725,377 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.8

Radius: 5.4

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.09 AU - 6.97 AU

Year: 10947 Days

Day: 20.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,728,146 km

• M1: 67,169 km (0.085 R)
• M2: 296,353 km (0.106 R)
• M3: 467,493 km (0.115 R)
• M4: 981,512 km (0.09 R)
• M5: 1,234,182 km (0.088 R)
• M6: 1,930,261 km (0.12 R)
• M7: 2,879,011 km (0.112 R)
• M8: 3,956,714 km (0.082 R)
• M9: 4,412,838 km (0.091 R)
• M10: 5,490,242 km (0.096 R)
• M11: 6,355,067 km (0.117 R)
• M12: 9,712,791 km (0.094 R)
• M13: 11,414,168 km (0.11 R)
• M14: 12,335,092 km (0.099 R)
• M15: 15,031,744 km (0.064 R)
• M16: 16,902,914 km (0.096 R)
• M17: 18,165,071 km (0.084 R)
• M18: 20,357,129 km (0.101 R)
• M19: 32,470,517 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.5

Radius: 5

Gravity: 38.18 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.32 AU - 10.46 AU

Year: 18876 Days

Day: 22.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 66,728,146 km

• M1: 62,532 km (0.12 R)
• M2: 221,704 km (0.115 R)
• M3: 776,413 km (0.073 R)
• M4: 1,191,697 km (0.098 R)
• M5: 1,548,637 km (0.111 R)
• M6: 2,998,540 km (0.118 R)
• M7: 4,268,476 km (0.095 R)
• M8: 4,510,376 km (0.072 R)
• M9: 8,491,474 km (0.072 R)
• M10: 9,675,093 km (0.055 R)
• M11: 11,419,105 km (0.099 R)
• M12: 12,226,784 km (0.055 R)
• M13: 14,411,660 km (0.027 R)
• M14: 16,004,579 km (0.051 R)
• M15: 17,187,150 km (0.113 R)
• M16: 18,975,892 km (0.077 R)
• M17: 19,347,941 km (0.092 R)
• M18: 20,106,552 km (0.102 R)
• M19: 25,867,566 km (0.078 R)
• M20: 28,693,171 km (0.108 R)
• M21: 29,060,284 km (0.111 R)
• M22: 30,180,323 km (0.11 R)
• M23: 32,505,972 km (0.108 R)
• M24: 35,507,354 km (0.076 R)
• M25: 45,113,931 km (0.077 R)
• M26: 46,277,503 km (0.097 R)
• M27: 46,445,352 km (0.045 R)
• M28: 47,802,952 km (0.028 R)
• M29: 49,361,463 km (0.113 R)
• M30: 49,888,347 km (0.093 R)
• M31: 53,497,545 km (0.111 R)
• M32: 57,858,921 km (0.053 R)
• M33: 61,838,973 km (0.076 R)
• M34: 68,580,301 km (0.108 R)
• M35: 69,017,127 km (0.051 R)
• M36: 70,117,420 km (0.045 R)
• M37: 70,783,280 km (0.09 R)
• M38: 71,006,031 km (0.054 R)
• M39: 73,488,608 km (0.084 R)
• M40: 80,067,324 km (0.06 R)
• M41: 81,526,352 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314

Radius: 5.5

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 10.06 AU - 12.14 AU

Year: 24260 Days

Day: 21.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,728,146 km

• M1: 68,516 km (0.076 R)
• M2: 911,649 km (0.091 R)
• M3: 1,439,580 km (0.06 R)
• M4: 2,529,850 km (0.043 R)
• M5: 3,050,749 km (0.077 R)
• M6: 3,363,409 km (0.03 R)
• M7: 3,872,490 km (0.117 R)
• M8: 6,989,213 km (0.111 R)
• M9: 7,673,174 km (0.093 R)
• M10: 8,351,002 km (0.089 R)
• M11: 8,551,762 km (0.085 R)
• M12: 11,038,378 km (0.086 R)
• M13: 12,609,305 km (0.086 R)
• M14: 13,551,174 km (0.083 R)
• M15: 14,039,311 km (0.054 R)
• M16: 14,611,374 km (0.063 R)
• M17: 17,707,152 km (0.066 R)
• M18: 23,030,891 km (0.106 R)
• M19: 29,678,273 km (0.112 R)
• M20: 34,198,223 km (0.12 R)
• M21: 36,154,215 km (0.107 R)
• M22: 41,586,413 km (0.11 R)
• M23: 41,878,877 km (0.12 R)
• M24: 43,511,588 km (0.073 R)
• M25: 45,340,422 km (0.038 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 15,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit