🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.2

Radius: 12.1

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.6 AU - 0.76 AU

Year: 387 Days

Day: 12.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,491,368 km

• M1: 150,495 km (0.116 R)
• M2: 571,015 km (0.102 R)
• M3: 1,070,373 km (0.039 R)
• M4: 1,465,760 km (0.102 R)
• M5: 1,868,328 km (0.072 R)
• M6: 2,436,052 km (0.088 R)
• M7: 3,857,231 km (0.043 R)
• M8: 4,331,158 km (0.119 R)
• M9: 4,843,680 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.1

Radius: 8.8

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.53 AU - 5.45 AU

Year: 7694 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,491,368 km

• M1: 109,506 km (0.07 R)
• M2: 576,251 km (0.059 R)
• M3: 874,400 km (0.093 R)
• M4: 2,126,384 km (0.076 R)
• M5: 2,450,563 km (0.111 R)
• M6: 4,119,028 km (0.076 R)
• M7: 4,852,057 km (0.087 R)
• M8: 5,174,740 km (0.093 R)
• M9: 6,128,127 km (0.107 R)
• M10: 7,231,711 km (0.109 R)
• M11: 7,890,540 km (0.093 R)
• M12: 8,214,269 km (0.119 R)
• M13: 8,504,639 km (0.1 R)
• M14: 8,844,974 km (0.115 R)
• M15: 10,538,721 km (0.09 R)
• M16: 10,832,531 km (0.115 R)
• M17: 12,384,310 km (0.061 R)
• M18: 14,256,677 km (0.1 R)
• M19: 17,715,380 km (0.09 R)
• M20: 19,418,103 km (0.077 R)
• M21: 22,493,985 km (0.119 R)
• M22: 23,894,221 km (0.094 R)
• M23: 24,572,946 km (0.104 R)
• M24: 27,694,306 km (0.088 R)
• M25: 28,254,699 km (0.105 R)
• M26: 28,822,723 km (0.084 R)
• M27: 30,177,481 km (0.116 R)
• M28: 31,777,280 km (0.116 R)
• M29: 33,117,977 km (0.098 R)
• M30: 34,819,503 km (0.102 R)
• M31: 37,366,407 km (0.108 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.2

Radius: 3.5

Gravity: 70.55 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.94 AU - 6.96 AU

Year: 12647 Days

Day: 21.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,491,368 km

• M1: 43,832 km (0.078 R)
• M2: 156,180 km (0.085 R)
• M3: 351,555 km (0.097 R)
• M4: 679,324 km (0.103 R)
• M5: 1,012,179 km (0.118 R)
• M6: 1,144,573 km (0.093 R)
• M7: 1,565,991 km (0.108 R)
• M8: 1,935,348 km (0.107 R)
• M9: 4,064,425 km (0.085 R)
• M10: 6,051,084 km (0.056 R)
• M11: 6,863,700 km (0.079 R)
• M12: 8,505,237 km (0.115 R)
• M13: 8,702,407 km (0.119 R)
• M14: 9,208,647 km (0.103 R)
• M15: 10,503,267 km (0.093 R)
• M16: 10,616,362 km (0.09 R)
• M17: 10,844,948 km (0.037 R)
• M18: 11,193,960 km (0.054 R)
• M19: 12,411,537 km (0.049 R)
• M20: 12,857,787 km (0.109 R)
• M21: 13,647,515 km (0.056 R)
• M22: 13,849,920 km (0.113 R)
• M23: 15,688,478 km (0.052 R)
• M24: 16,285,374 km (0.1 R)
• M25: 19,583,708 km (0.087 R)
• M26: 26,824,095 km (0.08 R)
• M27: 29,999,609 km (0.08 R)
• M28: 30,917,691 km (0.1 R)
• M29: 33,661,466 km (0.109 R)
• M30: 34,402,873 km (0.032 R)
• M31: 37,084,115 km (0.107 R)
• M32: 39,217,979 km (0.049 R)
• M33: 40,453,508 km (0.069 R)
• M34: 43,002,058 km (0.079 R)
• M35: 43,582,497 km (0.085 R)
• M36: 47,329,625 km (0.108 R)
• M37: 55,285,539 km (0.055 R)
• M38: 58,773,563 km (0.049 R)
• M39: 60,208,805 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.2

Radius: 3.6

Gravity: 74.55 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.07 AU - 8.99 AU

Year: 15707 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,491,368 km

• M1: 60,438 km (0.079 R)
• M2: 275,410 km (0.051 R)
• M3: 746,194 km (0.088 R)
• M4: 893,847 km (0.104 R)
• M5: 1,099,245 km (0.104 R)
• M6: 1,489,546 km (0.113 R)
• M7: 1,833,621 km (0.105 R)
• M8: 3,077,677 km (0.083 R)
• M9: 3,691,926 km (0.117 R)
• M10: 4,123,067 km (0.066 R)
• M11: 4,621,228 km (0.027 R)
• M12: 4,867,017 km (0.077 R)
• M13: 6,061,257 km (0.092 R)
• M14: 6,792,791 km (0.114 R)
• M15: 6,927,728 km (0.114 R)
• M16: 7,296,337 km (0.1 R)
• M17: 7,726,580 km (0.049 R)
• M18: 9,561,099 km (0.039 R)
• M19: 10,974,649 km (0.104 R)
• M20: 13,276,961 km (0.046 R)
• M21: 16,929,991 km (0.083 R)
• M22: 20,537,095 km (0.107 R)
• M23: 23,995,349 km (0.075 R)
• M24: 25,157,425 km (0.093 R)
• M25: 28,985,784 km (0.096 R)
• M26: 31,285,552 km (0.103 R)
• M27: 32,036,234 km (0.062 R)
• M28: 32,927,239 km (0.081 R)
• M29: 33,055,893 km (0.053 R)
• M30: 38,053,659 km (0.09 R)
• M31: 43,998,080 km (0.038 R)
• M32: 49,176,710 km (0.092 R)
• M33: 52,260,969 km (0.119 R)
• M34: 57,310,795 km (0.112 R)
• M35: 59,761,956 km (0.054 R)
• M36: 70,266,269 km (0.073 R)
• M37: 70,693,072 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.8

Radius: 3.3

Gravity: 31.85 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.42 AU - 10.4 AU

Year: 19925 Days

Day: 15.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,491,368 km

• M1: 41,139 km (0.054 R)
• M2: 365,019 km (0.088 R)
• M3: 996,920 km (0.089 R)
• M4: 1,500,167 km (0.09 R)
• M5: 1,807,292 km (0.08 R)
• M6: 2,480,482 km (0.081 R)
• M7: 2,908,631 km (0.117 R)
• M8: 3,029,207 km (0.05 R)
• M9: 4,176,922 km (0.113 R)
• M10: 4,424,357 km (0.056 R)
• M11: 7,780,136 km (0.082 R)
• M12: 9,297,807 km (0.102 R)
• M13: 12,646,555 km (0.113 R)
• M14: 13,627,618 km (0.073 R)
• M15: 14,728,658 km (0.093 R)
• M16: 18,140,986 km (0.057 R)
• M17: 21,403,715 km (0.116 R)
• M18: 21,952,291 km (0.077 R)
• M19: 23,945,982 km (0.083 R)
• M20: 27,531,244 km (0.103 R)
• M21: 35,998,334 km (0.079 R)
• M22: 40,677,007 km (0.103 R)
• M23: 41,658,968 km (0.095 R)
• M24: 46,654,041 km (0.106 R)
• M25: 52,692,260 km (0.103 R)
• M26: 56,070,030 km (0.089 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: 461 - 18,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit