🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.2

Radius: 9.6

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.59 AU - 0.83 AU

Year: 386 Days

Day: 11.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,779,426 km

• M1: 120,576 km (0.095 R)
• M2: 434,283 km (0.083 R)
• M3: 787,633 km (0.09 R)
• M4: 1,086,230 km (0.1 R)
• M5: 1,443,470 km (0.045 R)
• M6: 1,758,972 km (0.113 R)
• M7: 2,112,621 km (0.06 R)
• M8: 2,475,994 km (0.104 R)
• M9: 3,494,157 km (0.097 R)
• M10: 3,889,395 km (0.098 R)
• M11: 4,218,660 km (0.115 R)
• M12: 5,147,962 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.3

Radius: 13.4

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.53 AU - 2.37 AU

Year: 1758 Days

Day: 13.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,779,426 km

• M1: 166,802 km (0.11 R)
• M2: 633,248 km (0.094 R)
• M3: 1,076,207 km (0.098 R)
• M4: 1,548,488 km (0.045 R)
• M5: 3,039,230 km (0.112 R)
• M6: 3,458,852 km (0.094 R)
• M7: 3,899,268 km (0.111 R)
• M8: 4,357,487 km (0.05 R)
• M9: 4,959,169 km (0.116 R)
• M10: 5,568,930 km (0.101 R)
• M11: 6,102,247 km (0.115 R)
• M12: 6,669,671 km (0.05 R)
• M13: 7,557,834 km (0.067 R)
• M14: 8,681,464 km (0.088 R)
• M15: 10,772,991 km (0.119 R)
• M16: 11,759,739 km (0.106 R)
• M17: 13,013,818 km (0.097 R)
• M18: 14,761,420 km (0.093 R)
• M19: 15,314,932 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.7

Radius: 9.3

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.44 AU - 3.06 AU

Year: 2945 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,779,426 km

• M1: 119,080 km (0.115 R)
• M2: 438,471 km (0.118 R)
• M3: 1,024,596 km (0.05 R)
• M4: 1,863,989 km (0.12 R)
• M5: 2,745,420 km (0.118 R)
• M6: 4,003,239 km (0.073 R)
• M7: 4,534,611 km (0.074 R)
• M8: 6,815,829 km (0.117 R)
• M9: 9,008,784 km (0.082 R)
• M10: 12,363,366 km (0.109 R)
• M11: 13,397,237 km (0.027 R)
• M12: 15,585,106 km (0.076 R)
• M13: 16,898,276 km (0.096 R)
• M14: 17,224,250 km (0.06 R)
• M15: 18,000,962 km (0.037 R)
• M16: 20,410,086 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.5

Radius: 14.7

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.68 AU - 3.42 AU

Year: 3439 Days

Day: 6.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 85,779,426 km

• M1: 247,136 km (0.025 R)
• M2: 878,887 km (0.101 R)
• M3: 2,796,732 km (0.088 R)
• M4: 3,943,849 km (0.055 R)
• M5: 4,718,317 km (0.076 R)
• M6: 6,114,963 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.1

Radius: 13

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.18 AU - 3.58 AU

Year: 4012 Days

Day: 8.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,779,426 km

• M1: 162,014 km (0.108 R)
• M2: 873,801 km (0.06 R)
• M3: 1,319,603 km (0.1 R)
• M4: 1,776,624 km (0.114 R)
• M5: 2,683,187 km (0.095 R)
• M6: 3,212,764 km (0.114 R)
• M7: 3,618,174 km (0.111 R)
• M8: 4,267,578 km (0.103 R)
• M9: 4,862,679 km (0.108 R)
• M10: 6,757,186 km (0.043 R)
• M11: 7,428,432 km (0.112 R)
• M12: 7,960,851 km (0.116 R)
• M13: 11,060,818 km (0.077 R)
• M14: 12,284,678 km (0.083 R)
• M15: 12,728,684 km (0.114 R)
• M16: 13,286,086 km (0.089 R)
• M17: 13,754,178 km (0.065 R)
• M18: 14,341,200 km (0.103 R)
• M19: 17,222,904 km (0.046 R)
• M20: 21,805,685 km (0.08 R)
• M21: 22,531,235 km (0.106 R)
• M22: 26,077,452 km (0.114 R)
• M23: 27,143,486 km (0.061 R)
• M24: 29,274,807 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.7

Radius: 13.6

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.7 AU - 4.72 AU

Year: 5577 Days

Day: 14.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,779,426 km

• M1: 169,195 km (0.1 R)
• M2: 592,108 km (0.097 R)
• M3: 1,046,138 km (0.112 R)
• M4: 1,997,281 km (0.116 R)
• M5: 2,614,821 km (0.107 R)
• M6: 3,665,447 km (0.059 R)
• M7: 4,163,159 km (0.055 R)
• M8: 4,598,938 km (0.042 R)
• M9: 5,716,135 km (0.116 R)
• M10: 6,796,381 km (0.082 R)
• M11: 7,221,538 km (0.063 R)
• M12: 7,892,784 km (0.075 R)
• M13: 8,687,148 km (0.118 R)
• M14: 9,887,970 km (0.1 R)
• M15: 10,764,016 km (0.119 R)
• M16: 12,937,673 km (0.111 R)
• M17: 16,503,338 km (0.043 R)
• M18: 17,869,166 km (0.072 R)
• M19: 23,366,140 km (0.08 R)
• M20: 23,849,341 km (0.064 R)
• M21: 24,504,131 km (0.114 R)
• M22: 25,423,859 km (0.103 R)
• M23: 29,056,095 km (0.063 R)
• M24: 30,467,252 km (0.088 R)
• M25: 31,335,668 km (0.114 R)
• M26: 32,618,918 km (0.11 R)
• M27: 35,079,953 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.1

Radius: 7.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.78 AU - 7.26 AU

Year: 9537 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,779,426 km

• M1: 88,263 km (0.111 R)
• M2: 369,357 km (0.117 R)
• M3: 873,951 km (0.113 R)
• M4: 1,140,684 km (0.072 R)
• M5: 1,497,325 km (0.025 R)
• M6: 1,775,128 km (0.119 R)
• M7: 2,402,243 km (0.056 R)
• M8: 2,953,212 km (0.057 R)
• M9: 3,228,472 km (0.099 R)
• M10: 4,039,292 km (0.09 R)
• M11: 4,633,495 km (0.039 R)
• M12: 5,572,969 km (0.089 R)
• M13: 5,872,165 km (0.105 R)
• M14: 6,213,548 km (0.045 R)
• M15: 8,122,865 km (0.113 R)
• M16: 9,314,263 km (0.076 R)
• M17: 9,908,465 km (0.075 R)
• M18: 10,437,593 km (0.056 R)
• M19: 11,940,752 km (0.113 R)
• M20: 12,388,349 km (0.061 R)
• M21: 18,599,354 km (0.117 R)
• M22: 19,677,356 km (0.103 R)
• M23: 19,953,214 km (0.083 R)
• M24: 21,299,146 km (0.089 R)
• M25: 22,704,618 km (0.118 R)
• M26: 23,008,153 km (0.109 R)
• M27: 25,945,955 km (0.094 R)
• M28: 29,393,289 km (0.096 R)
• M29: 29,753,820 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.7

Radius: 4.1

Gravity: 15.87 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.34 AU - 11.62 AU

Year: 20357 Days

Day: 15.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,779,426 km

• M1: 51,013 km (0.095 R)
• M2: 229,334 km (0.114 R)
• M3: 578,645 km (0.099 R)
• M4: 761,453 km (0.12 R)
• M5: 939,175 km (0.072 R)
• M6: 1,096,253 km (0.107 R)
• M7: 1,378,844 km (0.11 R)
• M8: 1,522,458 km (0.077 R)
• M9: 2,965,778 km (0.1 R)
• M10: 3,382,857 km (0.085 R)
• M11: 3,700,004 km (0.063 R)
• M12: 3,865,759 km (0.057 R)
• M13: 4,642,620 km (0.102 R)
• M14: 8,994,123 km (0.075 R)
• M15: 9,915,048 km (0.07 R)
• M16: 13,567,480 km (0.095 R)
• M17: 14,569,037 km (0.107 R)
• M18: 15,979,895 km (0.09 R)
• M19: 18,744,464 km (0.102 R)
• M20: 19,069,989 km (0.117 R)
• M21: 22,904,182 km (0.072 R)
• M22: 24,128,192 km (0.056 R)
• M23: 25,593,802 km (0.108 R)
• M24: 26,399,387 km (0.069 R)
• M25: 27,744,122 km (0.088 R)
• M26: 29,461,057 km (0.113 R)
• M27: 33,940,167 km (0.089 R)
• M28: 35,652,613 km (0.099 R)
• M29: 36,530,154 km (0.103 R)
• M30: 41,408,541 km (0.086 R)
• M31: 43,361,990 km (0.102 R)
• M32: 44,794,539 km (0.063 R)
• M33: 51,314,164 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.9

Radius: 3

Gravity: 99.77 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.41 AU - 11.91 AU

Year: 20910 Days

Day: 20.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,779,426 km

• M1: 115,490 km (0.105 R)
• M2: 230,082 km (0.111 R)
• M3: 820,096 km (0.07 R)
• M4: 1,094,159 km (0.098 R)
• M5: 1,313,769 km (0.07 R)
• M6: 1,614,909 km (0.09 R)
• M7: 4,486,889 km (0.076 R)
• M8: 10,819,516 km (0.082 R)
• M9: 12,303,228 km (0.052 R)
• M10: 12,515,507 km (0.092 R)
• M11: 14,147,620 km (0.076 R)
• M12: 15,666,787 km (0.055 R)
• M13: 21,579,194 km (0.096 R)
• M14: 21,784,592 km (0.108 R)
• M15: 23,044,954 km (0.077 R)
• M16: 25,825,380 km (0.032 R)
• M17: 29,446,845 km (0.117 R)
• M18: 31,774,438 km (0.101 R)
• M19: 38,877,195 km (0.113 R)
• M20: 41,040,231 km (0.109 R)
• M21: 45,773,208 km (0.115 R)
• M22: 47,140,084 km (0.108 R)
• M23: 47,833,620 km (0.059 R)
• M24: 56,693,703 km (0.065 R)
• M25: 57,281,174 km (0.08 R)
• M26: 75,659,572 km (0.117 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: 407 - 14,586 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit