🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.2

Radius: 8.4

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.79 AU - 0.89 AU

Year: 513 Days

Day: 8.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,099,511 km

• M1: 108,010 km (0.12 R)
• M2: 519,853 km (0.109 R)
• M3: 1,067,082 km (0.038 R)
• M4: 1,482,066 km (0.1 R)
• M5: 1,976,038 km (0.098 R)
• M6: 2,366,938 km (0.093 R)
• M7: 2,711,761 km (0.066 R)
• M8: 3,219,945 km (0.061 R)
• M9: 3,710,326 km (0.104 R)
• M10: 4,235,116 km (0.098 R)
• M11: 4,652,943 km (0.068 R)
• M12: 5,536,318 km (0.083 R)
• M13: 6,128,726 km (0.057 R)
• M14: 6,566,150 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.6

Radius: 10.8

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.83 AU - 1.35 AU

Year: 759 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,099,511 km

• M1: 134,339 km (0.101 R)
• M2: 479,910 km (0.042 R)
• M3: 910,453 km (0.094 R)
• M4: 1,259,614 km (0.099 R)
• M5: 1,601,146 km (0.101 R)
• M6: 2,151,965 km (0.09 R)
• M7: 2,579,217 km (0.051 R)
• M8: 2,961,439 km (0.1 R)
• M9: 3,299,830 km (0.089 R)
• M10: 4,508,132 km (0.088 R)
• M11: 5,084,832 km (0.053 R)
• M12: 5,789,288 km (0.101 R)
• M13: 6,154,756 km (0.117 R)
• M14: 6,710,212 km (0.086 R)
• M15: 7,322,068 km (0.116 R)
• M16: 7,995,557 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.4

Radius: 14.7

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.96 AU - 1.54 AU

Year: 932 Days

Day: 13.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,099,511 km

• M1: 196,871 km (0.118 R)
• M2: 685,906 km (0.11 R)
• M3: 1,460,225 km (0.064 R)
• M4: 2,248,905 km (0.081 R)
• M5: 2,904,293 km (0.102 R)
• M6: 4,778,306 km (0.12 R)
• M7: 5,542,751 km (0.113 R)
• M8: 6,748,958 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.2

Radius: 9.2

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.34 AU - 1.96 AU

Year: 1413 Days

Day: 12.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,099,511 km

• M1: 122,820 km (0.119 R)
• M2: 525,986 km (0.104 R)
• M3: 829,969 km (0.041 R)
• M4: 1,278,314 km (0.114 R)
• M5: 2,037,373 km (0.107 R)
• M6: 2,517,134 km (0.057 R)
• M7: 3,156,066 km (0.077 R)
• M8: 3,623,709 km (0.105 R)
• M9: 4,206,543 km (0.109 R)
• M10: 4,850,561 km (0.092 R)
• M11: 6,427,473 km (0.098 R)
• M12: 6,882,250 km (0.055 R)
• M13: 10,044,300 km (0.091 R)
• M14: 10,657,352 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.9

Radius: 8.4

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.07 AU - 2.07 AU

Year: 1986 Days

Day: 7.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,099,511 km

• M1: 104,719 km (0.057 R)
• M2: 423,661 km (0.117 R)
• M3: 1,354,609 km (0.101 R)
• M4: 2,192,207 km (0.044 R)
• M5: 3,154,570 km (0.06 R)
• M6: 3,861,420 km (0.068 R)
• M7: 4,478,661 km (0.046 R)
• M8: 5,000,458 km (0.101 R)
• M9: 5,684,270 km (0.101 R)
• M10: 6,217,288 km (0.089 R)
• M11: 6,728,015 km (0.114 R)
• M12: 7,956,064 km (0.066 R)
• M13: 8,396,779 km (0.04 R)
• M14: 9,190,246 km (0.042 R)
• M15: 12,741,550 km (0.068 R)
• M16: 13,301,495 km (0.119 R)
• M17: 14,563,353 km (0.112 R)
• M18: 16,451,128 km (0.074 R)
• M19: 17,218,865 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.9

Radius: 11.4

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.79 AU - 6.01 AU

Year: 8368 Days

Day: 13.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,099,511 km

• M1: 142,716 km (0.075 R)
• M2: 858,393 km (0.102 R)
• M3: 1,351,318 km (0.117 R)
• M4: 1,831,976 km (0.115 R)
• M5: 2,617,514 km (0.103 R)
• M6: 3,106,699 km (0.079 R)
• M7: 3,911,386 km (0.081 R)
• M8: 4,700,215 km (0.119 R)
• M9: 5,211,990 km (0.05 R)
• M10: 5,732,291 km (0.102 R)
• M11: 6,137,701 km (0.097 R)
• M12: 7,779,538 km (0.117 R)
• M13: 8,497,458 km (0.078 R)
• M14: 10,485,764 km (0.059 R)
• M15: 13,817,009 km (0.119 R)
• M16: 16,145,799 km (0.096 R)
• M17: 17,373,399 km (0.09 R)
• M18: 17,796,013 km (0.082 R)
• M19: 18,536,672 km (0.117 R)
• M20: 20,013,652 km (0.108 R)
• M21: 20,950,135 km (0.112 R)
• M22: 21,845,777 km (0.062 R)
• M23: 25,143,812 km (0.099 R)
• M24: 26,155,243 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.6

Radius: 11.9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.2 AU - 6.68 AU

Year: 8461 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 61.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,099,511 km

• M1: 148,102 km (0.102 R)
• M2: 765,642 km (0.118 R)
• M3: 1,348,924 km (0.069 R)
• M4: 1,944,772 km (0.056 R)
• M5: 2,497,836 km (0.106 R)
• M6: 3,195,111 km (0.116 R)
• M7: 3,805,770 km (0.106 R)
• M8: 5,526,295 km (0.06 R)
• M9: 6,083,397 km (0.118 R)
• M10: 12,649,846 km (0.105 R)
• M11: 15,828,203 km (0.094 R)
• M12: 17,082,132 km (0.115 R)
• M13: 17,667,509 km (0.074 R)
• M14: 18,672,806 km (0.062 R)
• M15: 19,294,086 km (0.116 R)
• M16: 19,929,129 km (0.103 R)
• M17: 20,724,092 km (0.084 R)
• M18: 21,766,490 km (0.119 R)
• M19: 23,315,576 km (0.073 R)
• M20: 23,874,773 km (0.044 R)
• M21: 26,115,899 km (0.09 R)
• M22: 31,982,379 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.8

Radius: 4.8

Gravity: 22.65 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.3 AU - 6.74 AU

Year: 9850 Days

Day: 20.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,099,511 km

• M1: 59,690 km (0.077 R)
• M2: 217,814 km (0.091 R)
• M3: 495,767 km (0.063 R)
• M4: 1,082,789 km (0.11 R)
• M5: 1,336,507 km (0.088 R)
• M6: 1,745,658 km (0.109 R)
• M7: 1,995,785 km (0.098 R)
• M8: 2,234,095 km (0.027 R)
• M9: 2,998,989 km (0.099 R)
• M10: 3,197,804 km (0.083 R)
• M11: 3,950,880 km (0.061 R)
• M12: 7,378,317 km (0.074 R)
• M13: 8,158,918 km (0.098 R)
• M14: 11,088,344 km (0.109 R)
• M15: 11,672,374 km (0.104 R)
• M16: 12,614,990 km (0.114 R)
• M17: 13,848,275 km (0.111 R)
• M18: 15,812,196 km (0.03 R)
• M19: 16,280,138 km (0.06 R)
• M20: 16,757,056 km (0.036 R)
• M21: 20,994,266 km (0.091 R)
• M22: 24,272,105 km (0.11 R)
• M23: 26,170,801 km (0.09 R)
• M24: 27,586,147 km (0.117 R)
• M25: 28,952,574 km (0.098 R)
• M26: 30,159,080 km (0.116 R)
• M27: 30,878,048 km (0.088 R)
• M28: 31,398,648 km (0.092 R)
• M29: 32,350,390 km (0.088 R)
• M30: 33,321,280 km (0.066 R)
• M31: 36,004,767 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.9

Radius: 3

Gravity: 63.54 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.65 AU - 7.85 AU

Year: 11695 Days

Day: 23.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,099,511 km

• M1: 37,399 km (0.115 R)
• M2: 142,268 km (0.089 R)
• M3: 274,662 km (0.11 R)
• M4: 431,889 km (0.068 R)
• M5: 563,086 km (0.082 R)
• M6: 670,498 km (0.08 R)
• M7: 1,485,806 km (0.063 R)
• M8: 1,602,044 km (0.081 R)
• M9: 1,953,299 km (0.047 R)
• M10: 2,093,024 km (0.083 R)
• M11: 2,392,519 km (0.096 R)
• M12: 3,412,477 km (0.12 R)
• M13: 4,158,073 km (0.099 R)
• M14: 4,973,980 km (0.1 R)
• M15: 5,234,878 km (0.06 R)
• M16: 5,927,068 km (0.096 R)
• M17: 6,035,975 km (0.111 R)
• M18: 7,660,458 km (0.115 R)
• M19: 9,114,699 km (0.074 R)
• M20: 10,008,546 km (0.035 R)
• M21: 13,849,172 km (0.094 R)
• M22: 14,040,957 km (0.098 R)
• M23: 16,269,666 km (0.038 R)
• M24: 18,107,027 km (0.074 R)
• M25: 21,157,328 km (0.114 R)
• M26: 22,187,309 km (0.051 R)
• M27: 26,839,952 km (0.106 R)
• M28: 27,640,002 km (0.085 R)
• M29: 31,437,394 km (0.112 R)
• M30: 32,438,353 km (0.096 R)
• M31: 33,460,257 km (0.105 R)
• M32: 39,147,369 km (0.055 R)
• M33: 42,419,523 km (0.116 R)
• M34: 48,465,521 km (0.109 R)
• M35: 49,501,187 km (0.118 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: 295 - 14,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit