🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.7

Radius: 12.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.83 AU - 1.25 AU

Year: 696 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,064,278 km

• M1: 156,629 km (0.049 R)
• M2: 598,990 km (0.116 R)
• M3: 1,160,580 km (0.089 R)
• M4: 1,589,477 km (0.111 R)
• M5: 5,587,331 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.8

Radius: 14.1

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.96 AU - 1.26 AU

Year: 767 Days

Day: 12 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,064,278 km

• M1: 178,620 km (0.099 R)
• M2: 655,987 km (0.108 R)
• M3: 1,253,032 km (0.115 R)
• M4: 1,815,819 km (0.065 R)
• M5: 2,835,179 km (0.107 R)
• M6: 5,035,016 km (0.082 R)
• M7: 5,545,593 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.3

Radius: 14.6

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.96 AU - 1.58 AU

Year: 939 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,064,278 km

• M1: 181,612 km (0.11 R)
• M2: 812,466 km (0.088 R)
• M3: 1,470,397 km (0.072 R)
• M4: 2,044,554 km (0.06 R)
• M5: 2,817,227 km (0.068 R)
• M6: 3,512,109 km (0.055 R)
• M7: 4,236,761 km (0.078 R)
• M8: 4,696,924 km (0.084 R)
• M9: 5,266,892 km (0.06 R)
• M10: 5,800,657 km (0.052 R)
• M11: 6,862,653 km (0.089 R)
• M12: 7,501,136 km (0.107 R)
• M13: 8,335,145 km (0.078 R)
• M14: 10,188,662 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.9

Radius: 11.7

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.87 AU - 3.05 AU

Year: 3341 Days

Day: 11.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,064,278 km

• M1: 145,559 km (0.104 R)
• M2: 546,930 km (0.077 R)
• M3: 1,140,085 km (0.113 R)
• M4: 1,668,016 km (0.087 R)
• M5: 2,431,265 km (0.092 R)
• M6: 3,132,729 km (0.109 R)
• M7: 3,713,169 km (0.097 R)
• M8: 6,094,617 km (0.082 R)
• M9: 7,997,652 km (0.114 R)
• M10: 9,943,471 km (0.115 R)
• M11: 10,433,853 km (0.099 R)
• M12: 12,512,366 km (0.065 R)
• M13: 17,590,914 km (0.076 R)
• M14: 19,677,356 km (0.119 R)
• M15: 20,451,675 km (0.068 R)
• M16: 22,406,769 km (0.099 R)
• M17: 23,609,237 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.3

Radius: 14.3

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.91 AU - 4.15 AU

Year: 5307 Days

Day: 10.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,064,278 km

• M1: 177,872 km (0.063 R)
• M2: 765,044 km (0.094 R)
• M3: 1,288,935 km (0.032 R)
• M4: 1,836,463 km (0.072 R)
• M5: 2,945,881 km (0.085 R)
• M6: 4,414,932 km (0.077 R)
• M7: 7,259,985 km (0.105 R)
• M8: 10,834,027 km (0.072 R)
• M9: 16,944,352 km (0.07 R)
• M10: 21,658,780 km (0.096 R)
• M11: 26,341,941 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.6

Radius: 9.6

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.14 AU - 4.24 AU

Year: 5626 Days

Day: 9 Hours

Environment

Temp: -211 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,064,278 km

• M1: 119,379 km (0.098 R)
• M2: 692,489 km (0.092 R)
• M3: 1,428,510 km (0.061 R)
• M4: 2,031,838 km (0.071 R)
• M5: 2,851,485 km (0.03 R)
• M6: 3,175,963 km (0.104 R)
• M7: 3,809,510 km (0.111 R)
• M8: 4,808,824 km (0.105 R)
• M9: 5,470,046 km (0.03 R)
• M10: 6,838,119 km (0.109 R)
• M11: 9,216,874 km (0.057 R)
• M12: 11,806,713 km (0.115 R)
• M13: 12,347,659 km (0.093 R)
• M14: 13,373,302 km (0.111 R)
• M15: 15,476,947 km (0.051 R)
• M16: 16,065,315 km (0.03 R)
• M17: 17,538,256 km (0.105 R)
• M18: 17,856,002 km (0.102 R)
• M19: 18,307,488 km (0.118 R)
• M20: 20,679,961 km (0.08 R)
• M21: 21,106,315 km (0.11 R)
• M22: 23,174,057 km (0.073 R)
• M23: 23,557,027 km (0.112 R)
• M24: 24,100,367 km (0.112 R)
• M25: 26,942,726 km (0.098 R)
• M26: 28,226,575 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.1

Radius: 6.6

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.48 AU - 8 AU

Year: 11479 Days

Day: 16.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,064,278 km

• M1: 114,891 km (0.116 R)
• M2: 353,051 km (0.053 R)
• M3: 601,533 km (0.095 R)
• M4: 903,870 km (0.111 R)
• M5: 1,805,497 km (0.03 R)
• M6: 2,765,915 km (0.064 R)
• M7: 3,312,396 km (0.064 R)
• M8: 3,903,457 km (0.077 R)
• M9: 4,817,051 km (0.038 R)
• M10: 5,201,518 km (0.1 R)
• M11: 6,167,172 km (0.079 R)
• M12: 6,692,560 km (0.1 R)
• M13: 7,133,874 km (0.09 R)
• M14: 7,832,047 km (0.112 R)
• M15: 8,532,464 km (0.109 R)
• M16: 8,789,324 km (0.109 R)
• M17: 14,526,252 km (0.101 R)
• M18: 15,772,552 km (0.105 R)
• M19: 17,773,274 km (0.102 R)
• M20: 18,979,183 km (0.052 R)
• M21: 21,631,703 km (0.087 R)
• M22: 22,595,262 km (0.115 R)
• M23: 29,372,046 km (0.084 R)
• M24: 31,969,663 km (0.099 R)
• M25: 33,430,038 km (0.1 R)
• M26: 39,243,561 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.7

Radius: 4.6

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.72 AU - 8.34 AU

Year: 13555 Days

Day: 18.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,064,278 km

• M1: 64,177 km (0.056 R)
• M2: 209,138 km (0.101 R)
• M3: 387,010 km (0.116 R)
• M4: 603,328 km (0.098 R)
• M5: 2,252,495 km (0.057 R)
• M6: 2,958,148 km (0.094 R)
• M7: 3,900,764 km (0.038 R)
• M8: 7,008,062 km (0.09 R)
• M9: 8,569,714 km (0.118 R)
• M10: 9,363,181 km (0.112 R)
• M11: 10,792,589 km (0.088 R)
• M12: 13,199,918 km (0.114 R)
• M13: 18,896,904 km (0.077 R)
• M14: 26,492,885 km (0.104 R)
• M15: 28,260,983 km (0.057 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 19,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit