🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.4

Radius: 12.2

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.58 AU - 0.82 AU

Year: 372 Days

Day: 12.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 96,421,908 km

• M1: 151,692 km (0.104 R)
• M2: 608,863 km (0.083 R)
• M3: 1,035,965 km (0.053 R)
• M4: 1,512,584 km (0.072 R)
• M5: 2,541,369 km (0.025 R)
• M6: 3,064,213 km (0.099 R)
• M7: 3,708,082 km (0.088 R)
• M8: 4,122,917 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.2

Radius: 14.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.7 AU - 2.16 AU

Year: 1705 Days

Day: 7.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 96,421,908 km

• M1: 182,958 km (0.089 R)
• M2: 1,009,935 km (0.12 R)
• M3: 2,038,869 km (0.107 R)
• M4: 2,925,686 km (0.07 R)
• M5: 4,040,489 km (0.086 R)
• M6: 5,593,913 km (0.055 R)
• M7: 6,222,972 km (0.075 R)
• M8: 7,385,048 km (0.12 R)
• M9: 8,570,911 km (0.084 R)
• M10: 11,530,854 km (0.114 R)
• M11: 12,254,908 km (0.032 R)
• M12: 13,009,180 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.2

Radius: 10.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.52 AU - 2.86 AU

Year: 2805 Days

Day: 9.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 96,421,908 km

• M1: 133,292 km (0.101 R)
• M2: 550,969 km (0.109 R)
• M3: 1,054,815 km (0.1 R)
• M4: 1,448,407 km (0.079 R)
• M5: 2,067,742 km (0.045 R)
• M6: 2,565,454 km (0.091 R)
• M7: 3,348,150 km (0.034 R)
• M8: 3,787,968 km (0.101 R)
• M9: 5,741,417 km (0.075 R)
• M10: 6,136,804 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 14.3

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.54 AU - 2.92 AU

Year: 2868 Days

Day: 7.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 129.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 96,421,908 km

• M1: 178,021 km (0.061 R)
• M2: 652,696 km (0.049 R)
• M3: 1,123,181 km (0.09 R)
• M4: 1,619,397 km (0.111 R)
• M5: 2,078,513 km (0.101 R)
• M6: 2,927,032 km (0.075 R)
• M7: 3,451,073 km (0.089 R)
• M8: 4,247,832 km (0.116 R)
• M9: 4,829,618 km (0.12 R)
• M10: 5,363,084 km (0.107 R)
• M11: 6,491,800 km (0.063 R)
• M12: 7,422,448 km (0.073 R)
• M13: 7,936,616 km (0.118 R)
• M14: 9,474,931 km (0.102 R)
• M15: 10,997,687 km (0.115 R)
• M16: 11,497,644 km (0.095 R)
• M17: 12,143,906 km (0.108 R)
• M18: 14,083,443 km (0.114 R)
• M19: 15,025,610 km (0.07 R)
• M20: 15,641,953 km (0.104 R)
• M21: 17,368,762 km (0.046 R)
• M22: 17,819,650 km (0.064 R)
• M23: 18,744,912 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.6

Radius: 8.4

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.95 AU - 3.53 AU

Year: 3708 Days

Day: 12.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 96,421,908 km

• M1: 104,419 km (0.069 R)
• M2: 444,455 km (0.092 R)
• M3: 869,463 km (0.082 R)
• M4: 1,212,790 km (0.079 R)
• M5: 1,682,527 km (0.115 R)
• M6: 3,327,356 km (0.11 R)
• M7: 4,066,818 km (0.08 R)
• M8: 5,120,286 km (0.055 R)
• M9: 6,847,843 km (0.107 R)
• M10: 7,342,712 km (0.088 R)
• M11: 9,048,876 km (0.102 R)
• M12: 9,523,700 km (0.099 R)
• M13: 11,227,320 km (0.088 R)
• M14: 11,868,796 km (0.101 R)
• M15: 13,025,187 km (0.062 R)
• M16: 18,095,508 km (0.027 R)
• M17: 19,755,296 km (0.109 R)
• M18: 20,825,669 km (0.086 R)
• M19: 22,359,945 km (0.095 R)
• M20: 22,863,491 km (0.078 R)
• M21: 24,043,071 km (0.06 R)
• M22: 24,647,745 km (0.073 R)
• M23: 25,730,385 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.2

Radius: 9.7

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.17 AU - 3.39 AU

Year: 3777 Days

Day: 7.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 96,421,908 km

• M1: 120,576 km (0.097 R)
• M2: 557,252 km (0.077 R)
• M3: 913,744 km (0.118 R)
• M4: 1,634,506 km (0.112 R)
• M5: 2,160,941 km (0.1 R)
• M6: 2,900,104 km (0.074 R)
• M7: 3,862,318 km (0.079 R)
• M8: 4,534,311 km (0.102 R)
• M9: 4,923,565 km (0.108 R)
• M10: 5,741,566 km (0.108 R)
• M11: 6,375,113 km (0.098 R)
• M12: 7,988,377 km (0.069 R)
• M13: 9,230,488 km (0.102 R)
• M14: 9,937,936 km (0.098 R)
• M15: 10,765,960 km (0.089 R)
• M16: 11,153,269 km (0.049 R)
• M17: 12,371,445 km (0.118 R)
• M18: 12,988,536 km (0.092 R)
• M19: 13,427,755 km (0.1 R)
• M20: 14,857,911 km (0.092 R)
• M21: 17,131,350 km (0.107 R)
• M22: 22,356,504 km (0.047 R)
• M23: 24,212,565 km (0.059 R)
• M24: 25,253,317 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.4

Radius: 5.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.56 AU - 7.9 AU

Year: 12361 Days

Day: 15.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 96,421,908 km

• M1: 69,413 km (0.117 R)
• M2: 276,307 km (0.053 R)
• M3: 721,361 km (0.118 R)
• M4: 999,015 km (0.088 R)
• M5: 2,326,097 km (0.117 R)
• M6: 4,490,180 km (0.087 R)
• M7: 6,184,226 km (0.112 R)
• M8: 7,513,852 km (0.075 R)
• M9: 8,412,187 km (0.076 R)
• M10: 11,954,366 km (0.043 R)
• M11: 12,384,460 km (0.083 R)
• M12: 13,174,636 km (0.111 R)
• M13: 13,530,679 km (0.105 R)
• M14: 14,368,576 km (0.096 R)
• M15: 16,379,321 km (0.051 R)
• M16: 19,604,053 km (0.082 R)
• M17: 21,294,958 km (0.08 R)
• M18: 22,788,692 km (0.106 R)
• M19: 26,947,513 km (0.106 R)
• M20: 27,521,071 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.9

Radius: 6.3

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.17 AU - 11.29 AU

Year: 17829 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 96,421,908 km

• M1: 78,389 km (0.083 R)
• M2: 452,534 km (0.111 R)
• M3: 828,473 km (0.092 R)
• M4: 1,074,412 km (0.065 R)
• M5: 2,357,214 km (0.117 R)
• M6: 2,999,587 km (0.098 R)
• M7: 3,323,018 km (0.096 R)
• M8: 3,697,012 km (0.117 R)
• M9: 4,158,522 km (0.079 R)
• M10: 6,196,942 km (0.119 R)
• M11: 7,497,995 km (0.074 R)
• M12: 8,188,838 km (0.025 R)
• M13: 12,291,559 km (0.03 R)
• M14: 14,535,079 km (0.048 R)
• M15: 14,886,484 km (0.112 R)
• M16: 18,227,902 km (0.07 R)
• M17: 20,245,828 km (0.105 R)
• M18: 21,218,663 km (0.09 R)
• M19: 23,834,980 km (0.1 R)
• M20: 24,819,334 km (0.109 R)
• M21: 27,398,102 km (0.11 R)
• M22: 29,028,120 km (0.117 R)
• M23: 30,036,560 km (0.041 R)
• M24: 31,184,275 km (0.1 R)
• M25: 33,202,051 km (0.115 R)
• M26: 35,305,097 km (0.099 R)
• M27: 36,068,196 km (0.12 R)
• M28: 38,960,073 km (0.062 R)
• M29: 39,230,396 km (0.103 R)
• M30: 45,498,846 km (0.094 R)
• M31: 51,748,297 km (0.045 R)
• M32: 52,732,501 km (0.101 R)
• M33: 54,232,070 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.5

Radius: 3.1

Gravity: 101.61 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 10.09 AU - 12.35 AU

Year: 23896 Days

Day: 21 Hours

Environment

Temp: -240 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 96,421,908 km

• M1: 38,596 km (0.117 R)
• M2: 181,313 km (0.07 R)
• M3: 308,770 km (0.083 R)
• M4: 931,097 km (0.081 R)
• M5: 1,674,599 km (0.107 R)
• M6: 2,937,803 km (0.047 R)
• M7: 3,565,665 km (0.025 R)
• M8: 4,030,915 km (0.093 R)
• M9: 4,648,754 km (0.059 R)
• M10: 5,581,796 km (0.064 R)
• M11: 6,393,963 km (0.079 R)
• M12: 7,281,976 km (0.077 R)
• M13: 7,972,071 km (0.064 R)
• M14: 8,418,022 km (0.104 R)
• M15: 8,821,487 km (0.114 R)
• M16: 9,057,852 km (0.083 R)
• M17: 9,177,530 km (0.099 R)
• M18: 9,359,142 km (0.106 R)
• M19: 13,669,206 km (0.113 R)
• M20: 15,987,076 km (0.058 R)
• M21: 16,515,605 km (0.097 R)
• M22: 17,700,869 km (0.078 R)
• M23: 17,982,113 km (0.091 R)
• M24: 18,171,354 km (0.087 R)
• M25: 21,276,557 km (0.06 R)
• M26: 28,255,298 km (0.101 R)
• M27: 29,418,272 km (0.067 R)
• M28: 31,018,071 km (0.078 R)
• M29: 34,974,337 km (0.096 R)
• M30: 35,417,146 km (0.116 R)
• M31: 38,152,992 km (0.094 R)
• M32: 39,095,459 km (0.113 R)
• M33: 43,189,055 km (0.107 R)
• M34: 45,953,624 km (0.077 R)
• M35: 46,130,149 km (0.031 R)
• M36: 50,693,632 km (0.072 R)
• M37: 65,721,037 km (0.119 R)
• M38: 86,114,369 km (0.118 R)
• M39: 88,277,404 km (0.064 R)
• M40: 95,844,813 km (0.079 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: 385 - 18,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit