🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.6

Radius: 11.7

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.53 AU - 0.59 AU

Year: 289 Days

Day: 12.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,749,722 km

• M1: 145,559 km (0.087 R)
• M2: 650,601 km (0.093 R)
• M3: 1,079,498 km (0.069 R)
• M4: 1,457,831 km (0.074 R)
• M5: 1,919,341 km (0.092 R)
• M6: 2,313,980 km (0.106 R)
• M7: 2,969,069 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603

Radius: 10.3

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.09 AU - 1.23 AU

Year: 862 Days

Day: 6.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,749,722 km

• M1: 129,701 km (0.092 R)
• M2: 503,846 km (0.087 R)
• M3: 880,982 km (0.067 R)
• M4: 1,252,882 km (0.075 R)
• M5: 2,095,118 km (0.042 R)
• M6: 2,727,468 km (0.062 R)
• M7: 3,510,314 km (0.093 R)
• M8: 4,258,303 km (0.09 R)
• M9: 4,773,369 km (0.098 R)
• M10: 5,672,003 km (0.108 R)
• M11: 6,049,439 km (0.081 R)
• M12: 6,701,237 km (0.049 R)
• M13: 7,214,657 km (0.052 R)
• M14: 7,634,727 km (0.109 R)
• M15: 8,219,954 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.1

Radius: 10

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.24 AU - 1.6 AU

Year: 1168 Days

Day: 5.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,749,722 km

• M1: 124,465 km (0.071 R)
• M2: 452,982 km (0.065 R)
• M3: 769,980 km (0.093 R)
• M4: 1,258,567 km (0.09 R)
• M5: 1,571,376 km (0.098 R)
• M6: 1,946,717 km (0.085 R)
• M7: 2,259,077 km (0.112 R)
• M8: 3,848,106 km (0.118 R)
• M9: 4,362,723 km (0.094 R)
• M10: 5,799,161 km (0.05 R)
• M11: 6,499,579 km (0.086 R)
• M12: 7,182,044 km (0.074 R)
• M13: 8,388,850 km (0.119 R)
• M14: 9,255,620 km (0.102 R)
• M15: 10,523,911 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.7

Radius: 14.3

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.66 AU - 2.28 AU

Year: 1909 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,749,722 km

• M1: 178,021 km (0.057 R)
• M2: 667,506 km (0.109 R)
• M3: 1,270,684 km (0.09 R)
• M4: 1,796,670 km (0.107 R)
• M5: 2,517,882 km (0.053 R)
• M6: 3,488,323 km (0.082 R)
• M7: 4,147,601 km (0.105 R)
• M8: 5,652,107 km (0.111 R)
• M9: 6,398,750 km (0.107 R)
• M10: 7,184,587 km (0.076 R)
• M11: 7,788,664 km (0.114 R)
• M12: 9,525,495 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735

Radius: 9.9

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.37 AU - 3.45 AU

Year: 4347 Days

Day: 14.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,749,722 km

• M1: 123,269 km (0.102 R)
• M2: 496,366 km (0.037 R)
• M3: 1,103,434 km (0.089 R)
• M4: 1,685,818 km (0.037 R)
• M5: 2,069,387 km (0.092 R)
• M6: 2,543,912 km (0.056 R)
• M7: 3,033,695 km (0.046 R)
• M8: 4,110,650 km (0.047 R)
• M9: 4,537,453 km (0.055 R)
• M10: 4,941,666 km (0.086 R)
• M11: 7,301,274 km (0.111 R)
• M12: 9,292,721 km (0.108 R)
• M13: 9,821,549 km (0.087 R)
• M14: 10,499,975 km (0.076 R)
• M15: 11,209,219 km (0.116 R)
• M16: 12,140,316 km (0.046 R)
• M17: 12,871,999 km (0.098 R)
• M18: 13,788,286 km (0.055 R)
• M19: 14,911,617 km (0.054 R)
• M20: 18,903,935 km (0.08 R)
• M21: 21,740,311 km (0.113 R)
• M22: 22,239,070 km (0.102 R)
• M23: 23,557,027 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.8

Radius: 12.1

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.99 AU - 5.33 AU

Year: 8091 Days

Day: 8.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,749,722 km

• M1: 150,495 km (0.058 R)
• M2: 747,092 km (0.078 R)
• M3: 1,164,021 km (0.113 R)
• M4: 1,859,651 km (0.099 R)
• M5: 2,315,925 km (0.061 R)
• M6: 3,158,310 km (0.078 R)
• M7: 7,128,339 km (0.092 R)
• M8: 7,561,275 km (0.075 R)
• M9: 10,503,117 km (0.108 R)
• M10: 11,256,641 km (0.105 R)
• M11: 13,646,916 km (0.078 R)
• M12: 16,707,240 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.4

Radius: 6.5

Gravity: 16.77 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.93 AU - 8.37 AU

Year: 16060 Days

Day: 19.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,749,722 km

• M1: 81,082 km (0.072 R)
• M2: 363,074 km (0.069 R)
• M3: 857,495 km (0.107 R)
• M4: 1,927,868 km (0.115 R)
• M5: 4,590,111 km (0.062 R)
• M6: 6,010,842 km (0.064 R)
• M7: 9,362,732 km (0.119 R)
• M8: 10,710,759 km (0.098 R)
• M9: 11,127,239 km (0.061 R)
• M10: 13,237,317 km (0.113 R)
• M11: 15,904,498 km (0.095 R)
• M12: 17,000,900 km (0.041 R)
• M13: 22,177,735 km (0.109 R)
• M14: 22,951,904 km (0.086 R)
• M15: 23,246,761 km (0.117 R)
• M16: 24,349,746 km (0.113 R)
• M17: 24,759,345 km (0.108 R)
• M18: 26,985,511 km (0.099 R)
• M19: 30,866,977 km (0.062 R)
• M20: 31,467,463 km (0.119 R)
• M21: 34,587,327 km (0.103 R)
• M22: 36,688,728 km (0.086 R)
• M23: 37,091,894 km (0.103 R)
• M24: 55,051,268 km (0.115 R)
• M25: 57,909,485 km (0.113 R)
• M26: 59,374,946 km (0.061 R)
• M27: 62,379,769 km (0.106 R)
• M28: 63,919,580 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.1

Radius: 4.7

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.06 AU - 9.6 AU

Year: 16595 Days

Day: 22.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 66,749,722 km

• M1: 79,137 km (0.081 R)
• M2: 387,159 km (0.077 R)
• M3: 553,961 km (0.1 R)
• M4: 786,885 km (0.114 R)
• M5: 987,196 km (0.028 R)
• M6: 1,209,200 km (0.09 R)
• M7: 1,648,419 km (0.107 R)
• M8: 2,151,517 km (0.106 R)
• M9: 2,429,021 km (0.097 R)
• M10: 3,078,126 km (0.089 R)
• M11: 3,310,302 km (0.09 R)
• M12: 3,705,988 km (0.109 R)
• M13: 4,022,986 km (0.076 R)
• M14: 4,680,917 km (0.081 R)
• M15: 6,134,859 km (0.103 R)
• M16: 6,924,885 km (0.096 R)
• M17: 7,283,322 km (0.076 R)
• M18: 7,529,111 km (0.088 R)
• M19: 7,994,211 km (0.12 R)
• M20: 8,388,701 km (0.116 R)
• M21: 9,264,147 km (0.074 R)
• M22: 10,300,711 km (0.045 R)
• M23: 10,767,756 km (0.08 R)
• M24: 13,256,316 km (0.096 R)
• M25: 15,356,670 km (0.085 R)
• M26: 15,693,116 km (0.05 R)
• M27: 16,520,691 km (0.109 R)
• M28: 18,564,049 km (0.111 R)
• M29: 19,022,865 km (0.027 R)
• M30: 20,283,227 km (0.106 R)
• M31: 21,181,413 km (0.049 R)
• M32: 22,448,507 km (0.081 R)
• M33: 22,969,107 km (0.112 R)
• M34: 26,168,108 km (0.073 R)
• M35: 28,323,814 km (0.108 R)
• M36: 32,211,264 km (0.061 R)
• M37: 32,431,023 km (0.091 R)
• M38: 32,873,384 km (0.113 R)
• M39: 33,657,427 km (0.093 R)
• M40: 34,568,478 km (0.071 R)
• M41: 35,146,225 km (0.097 R)
• M42: 40,638,561 km (0.08 R)
• M43: 44,193,904 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697

Radius: 3.1

Gravity: 72.53 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.67 AU - 9.85 AU

Year: 21047 Days

Day: 23.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,749,722 km

• M1: 38,895 km (0.111 R)
• M2: 149,747 km (0.087 R)
• M3: 251,025 km (0.091 R)
• M4: 375,042 km (0.039 R)
• M5: 625,319 km (0.111 R)
• M6: 988,992 km (0.096 R)
• M7: 1,478,177 km (0.064 R)
• M8: 1,684,472 km (0.072 R)
• M9: 1,813,276 km (0.109 R)
• M10: 3,345,158 km (0.1 R)
• M11: 3,549,359 km (0.085 R)
• M12: 4,079,833 km (0.097 R)
• M13: 4,769,180 km (0.068 R)
• M14: 5,735,882 km (0.07 R)
• M15: 6,965,576 km (0.057 R)
• M16: 8,681,763 km (0.027 R)
• M17: 9,637,244 km (0.097 R)
• M18: 11,359,864 km (0.05 R)
• M19: 13,641,082 km (0.086 R)
• M20: 17,047,425 km (0.115 R)
• M21: 17,218,266 km (0.092 R)
• M22: 17,913,447 km (0.081 R)
• M23: 19,827,103 km (0.116 R)
• M24: 20,397,969 km (0.11 R)
• M25: 20,784,530 km (0.077 R)
• M26: 22,074,512 km (0.109 R)
• M27: 25,475,470 km (0.111 R)
• M28: 26,720,723 km (0.048 R)
• M29: 26,951,403 km (0.05 R)
• M30: 28,005,918 km (0.113 R)
• M31: 28,483,285 km (0.109 R)
• M32: 38,029,424 km (0.063 R)
• M33: 40,710,069 km (0.096 R)
• M34: 43,673,602 km (0.103 R)
• M35: 51,436,685 km (0.082 R)
• M36: 52,693,157 km (0.032 R)
• M37: 60,863,146 km (0.077 R)
• M38: 62,268,319 km (0.085 R)
• M39: 62,470,874 km (0.114 R)
• M40: 69,401,743 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.2

Radius: 4.5

Gravity: 17.34 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.2 AU - 10.48 AU

Year: 22950 Days

Day: 19.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,749,722 km

• M1: 113,096 km (0.103 R)
• M2: 444,904 km (0.106 R)
• M3: 647,460 km (0.114 R)
• M4: 1,398,142 km (0.1 R)
• M5: 2,345,395 km (0.113 R)
• M6: 4,519,352 km (0.092 R)
• M7: 9,596,853 km (0.07 R)
• M8: 10,675,005 km (0.037 R)
• M9: 13,614,603 km (0.092 R)
• M10: 16,495,409 km (0.067 R)
• M11: 17,539,303 km (0.065 R)
• M12: 18,712,001 km (0.09 R)
• M13: 19,317,423 km (0.088 R)
• M14: 24,128,641 km (0.069 R)
• M15: 25,053,155 km (0.073 R)
• M16: 50,314,401 km (0.077 R)
• M17: 62,635,581 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 19,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit