🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

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: 314.6

Radius: 10.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.73 AU - 1.07 AU

Year: 551 Days

Day: 9.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,181,136 km

• M1: 130,599 km (0.12 R)
• M2: 460,013 km (0.079 R)
• M3: 791,672 km (0.062 R)
• M4: 1,187,657 km (0.071 R)
• M5: 1,745,059 km (0.103 R)
• M6: 2,163,634 km (0.099 R)
• M7: 3,075,882 km (0.096 R)
• M8: 3,454,813 km (0.076 R)
• M9: 4,068,912 km (0.031 R)
• M10: 4,457,568 km (0.069 R)
• M11: 5,232,485 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.5

Radius: 8.2

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.69 AU - 2.55 AU

Year: 1993 Days

Day: 7.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,181,136 km

• M1: 102,774 km (0.108 R)
• M2: 395,537 km (0.083 R)
• M3: 786,137 km (0.107 R)
• M4: 1,135,298 km (0.042 R)
• M5: 1,405,921 km (0.12 R)
• M6: 1,883,138 km (0.113 R)
• M7: 2,925,386 km (0.032 R)
• M8: 3,651,534 km (0.099 R)
• M9: 4,310,663 km (0.098 R)
• M10: 4,828,421 km (0.098 R)
• M11: 5,226,501 km (0.098 R)
• M12: 5,839,852 km (0.12 R)
• M13: 6,958,395 km (0.056 R)
• M14: 7,759,791 km (0.082 R)
• M15: 8,400,220 km (0.12 R)
• M16: 8,814,007 km (0.093 R)
• M17: 10,101,895 km (0.109 R)
• M18: 11,014,891 km (0.112 R)
• M19: 11,627,345 km (0.108 R)
• M20: 15,082,009 km (0.114 R)
• M21: 15,503,725 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.6

Radius: 14.9

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.98 AU - 2.56 AU

Year: 2208 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,181,136 km

• M1: 204,201 km (0.115 R)
• M2: 1,857,108 km (0.082 R)
• M3: 4,216,266 km (0.111 R)
• M4: 4,846,522 km (0.111 R)
• M5: 5,539,310 km (0.083 R)
• M6: 6,101,499 km (0.096 R)
• M7: 7,676,615 km (0.082 R)
• M8: 8,377,481 km (0.111 R)
• M9: 10,422,484 km (0.081 R)
• M10: 12,190,730 km (0.086 R)
• M11: 14,938,694 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.4

Radius: 13.9

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.58 AU - 3.38 AU

Year: 3322 Days

Day: 7.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,181,136 km

• M1: 172,935 km (0.049 R)
• M2: 640,279 km (0.102 R)
• M3: 1,101,340 km (0.091 R)
• M4: 1,629,420 km (0.059 R)
• M5: 3,080,819 km (0.102 R)
• M6: 3,714,964 km (0.117 R)
• M7: 4,657,431 km (0.109 R)
• M8: 5,320,897 km (0.107 R)
• M9: 5,806,342 km (0.08 R)
• M10: 7,015,841 km (0.095 R)
• M11: 8,489,081 km (0.092 R)
• M12: 10,749,505 km (0.042 R)
• M13: 11,613,432 km (0.068 R)
• M14: 13,063,784 km (0.106 R)
• M15: 14,582,651 km (0.063 R)
• M16: 15,745,026 km (0.071 R)
• M17: 16,322,324 km (0.063 R)
• M18: 18,139,639 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.2

Radius: 8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.27 AU - 3.67 AU

Year: 4174 Days

Day: 7.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,181,136 km

• M1: 100,231 km (0.11 R)
• M2: 420,071 km (0.111 R)
• M3: 679,922 km (0.117 R)
• M4: 1,006,195 km (0.04 R)
• M5: 1,475,334 km (0.114 R)
• M6: 2,474,199 km (0.098 R)
• M7: 2,755,892 km (0.105 R)
• M8: 3,261,982 km (0.095 R)
• M9: 3,657,518 km (0.104 R)
• M10: 4,145,656 km (0.07 R)
• M11: 4,395,036 km (0.1 R)
• M12: 4,970,090 km (0.044 R)
• M13: 5,544,396 km (0.099 R)
• M14: 5,925,272 km (0.086 R)
• M15: 6,767,957 km (0.093 R)
• M16: 7,473,461 km (0.031 R)
• M17: 8,292,060 km (0.037 R)
• M18: 9,134,296 km (0.117 R)
• M19: 9,558,406 km (0.047 R)
• M20: 10,598,860 km (0.115 R)
• M21: 11,027,607 km (0.096 R)
• M22: 11,630,786 km (0.106 R)
• M23: 12,815,601 km (0.11 R)
• M24: 13,079,491 km (0.112 R)
• M25: 14,454,445 km (0.058 R)
• M26: 15,522,125 km (0.025 R)
• M27: 18,364,485 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.9

Radius: 10.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.62 AU - 5.36 AU

Year: 6143 Days

Day: 10.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,181,136 km

• M1: 134,339 km (0.097 R)
• M2: 501,452 km (0.106 R)
• M3: 976,874 km (0.104 R)
• M4: 1,841,999 km (0.049 R)
• M5: 2,253,393 km (0.106 R)
• M6: 3,851,846 km (0.103 R)
• M7: 7,489,617 km (0.046 R)
• M8: 9,005,941 km (0.077 R)
• M9: 9,479,718 km (0.101 R)
• M10: 10,124,485 km (0.05 R)
• M11: 13,748,044 km (0.115 R)
• M12: 21,569,171 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.1

Radius: 12

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.37 AU - 5.21 AU

Year: 6769 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,181,136 km

• M1: 149,448 km (0.099 R)
• M2: 644,617 km (0.087 R)
• M3: 1,118,842 km (0.105 R)
• M4: 1,547,590 km (0.059 R)
• M5: 2,816,629 km (0.1 R)
• M6: 3,223,236 km (0.026 R)
• M7: 5,633,557 km (0.105 R)
• M8: 6,522,168 km (0.111 R)
• M9: 7,702,346 km (0.112 R)
• M10: 8,254,661 km (0.115 R)
• M11: 9,712,791 km (0.063 R)
• M12: 10,523,911 km (0.11 R)
• M13: 13,523,947 km (0.117 R)
• M14: 13,973,040 km (0.093 R)
• M15: 15,112,975 km (0.087 R)
• M16: 20,104,607 km (0.116 R)
• M17: 21,827,526 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.8

Radius: 13.6

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.93 AU - 4.93 AU

Year: 7068 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,181,136 km

• M1: 169,195 km (0.116 R)
• M2: 677,529 km (0.063 R)
• M3: 1,327,980 km (0.075 R)
• M4: 2,159,445 km (0.101 R)
• M5: 2,792,693 km (0.098 R)
• M6: 3,904,654 km (0.068 R)
• M7: 4,588,167 km (0.084 R)
• M8: 6,163,881 km (0.103 R)
• M9: 7,411,079 km (0.031 R)
• M10: 8,422,809 km (0.032 R)
• M11: 8,901,223 km (0.064 R)
• M12: 9,738,971 km (0.066 R)
• M13: 11,187,976 km (0.057 R)
• M14: 11,766,920 km (0.104 R)
• M15: 14,967,566 km (0.103 R)
• M16: 17,335,252 km (0.098 R)
• M17: 20,437,164 km (0.074 R)
• M18: 21,597,893 km (0.106 R)
• M19: 23,032,687 km (0.074 R)
• M20: 24,691,428 km (0.085 R)
• M21: 25,591,558 km (0.068 R)
• M22: 31,079,107 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.4

Radius: 4.2

Gravity: 55.69 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.56 AU - 12.14 AU

Year: 19960 Days

Day: 19.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,181,136 km

• M1: 52,359 km (0.098 R)
• M2: 189,391 km (0.084 R)
• M3: 365,019 km (0.12 R)
• M4: 1,149,510 km (0.105 R)
• M5: 1,646,025 km (0.085 R)
• M6: 2,250,850 km (0.111 R)
• M7: 3,102,061 km (0.081 R)
• M8: 3,755,655 km (0.096 R)
• M9: 4,355,093 km (0.037 R)
• M10: 4,751,528 km (0.116 R)
• M11: 5,868,724 km (0.097 R)
• M12: 6,719,787 km (0.117 R)
• M13: 7,101,561 km (0.092 R)
• M14: 8,442,705 km (0.106 R)
• M15: 9,642,331 km (0.095 R)
• M16: 14,068,782 km (0.101 R)
• M17: 16,164,050 km (0.092 R)
• M18: 16,935,227 km (0.107 R)
• M19: 17,285,735 km (0.092 R)
• M20: 20,266,024 km (0.034 R)
• M21: 20,561,779 km (0.039 R)
• M22: 21,364,670 km (0.063 R)
• M23: 21,671,047 km (0.103 R)
• M24: 24,673,626 km (0.093 R)
• M25: 27,338,412 km (0.096 R)
• M26: 30,704,065 km (0.11 R)
• M27: 37,646,454 km (0.067 R)
• M28: 38,997,921 km (0.075 R)
• M29: 40,381,402 km (0.07 R)
• M30: 40,537,133 km (0.045 R)
• M31: 55,480,315 km (0.11 R)
• M32: 56,252,689 km (0.06 R)
• M33: 59,013,069 km (0.105 R)
• M34: 59,817,905 km (0.097 R)
• M35: 62,276,546 km (0.075 R)
• M36: 62,692,728 km (0.029 R)
• M37: 67,832,911 km (0.083 R)
• M38: 75,821,736 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.8

Radius: 7.9

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.75 AU - 10.83 AU

Year: 21313 Days

Day: 16 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,181,136 km

• M1: 100,081 km (0.106 R)
• M2: 698,024 km (0.055 R)
• M3: 1,059,751 km (0.084 R)
• M4: 1,558,511 km (0.098 R)
• M5: 2,319,066 km (0.111 R)
• M6: 2,793,591 km (0.093 R)
• M7: 3,935,920 km (0.096 R)
• M8: 4,191,583 km (0.045 R)
• M9: 4,768,283 km (0.09 R)
• M10: 5,967,908 km (0.087 R)
• M11: 11,897,369 km (0.078 R)
• M12: 19,210,760 km (0.087 R)
• M13: 22,823,250 km (0.105 R)
• M14: 25,566,426 km (0.107 R)
• M15: 26,260,111 km (0.103 R)
• M16: 26,662,081 km (0.083 R)
• M17: 27,581,509 km (0.073 R)
• M18: 34,020,201 km (0.081 R)
• M19: 35,344,891 km (0.05 R)
• M20: 36,828,752 km (0.085 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 16,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit