🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.9

Radius: 10.2

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.79 AU - 0.95 AU

Year: 560 Days

Day: 10.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,834,724 km

• M1: 127,009 km (0.091 R)
• M2: 560,394 km (0.101 R)
• M3: 1,100,741 km (0.112 R)
• M4: 1,524,402 km (0.104 R)
• M5: 2,100,803 km (0.087 R)
• M6: 2,632,175 km (0.078 R)
• M7: 3,022,924 km (0.072 R)
• M8: 6,033,731 km (0.118 R)
• M9: 6,922,342 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.6

Radius: 10.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.13 AU - 1.43 AU

Year: 1000 Days

Day: 5.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,834,724 km

• M1: 128,953 km (0.048 R)
• M2: 498,759 km (0.065 R)
• M3: 1,005,148 km (0.109 R)
• M4: 3,018,735 km (0.031 R)
• M5: 3,394,974 km (0.114 R)
• M6: 4,031,064 km (0.091 R)
• M7: 4,502,746 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.2

Radius: 8.1

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.4 AU - 2.44 AU

Year: 2599 Days

Day: 10.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,834,724 km

• M1: 100,679 km (0.074 R)
• M2: 360,082 km (0.088 R)
• M3: 749,485 km (0.11 R)
• M4: 1,700,629 km (0.076 R)
• M5: 2,269,549 km (0.12 R)
• M6: 3,572,547 km (0.113 R)
• M7: 3,919,614 km (0.085 R)
• M8: 4,310,064 km (0.119 R)
• M9: 5,026,339 km (0.117 R)
• M10: 8,100,276 km (0.071 R)
• M11: 8,666,653 km (0.106 R)
• M12: 9,082,236 km (0.1 R)
• M13: 10,331,977 km (0.111 R)
• M14: 11,692,719 km (0.058 R)
• M15: 12,243,389 km (0.11 R)
• M16: 13,625,972 km (0.034 R)
• M17: 14,378,899 km (0.1 R)
• M18: 14,814,528 km (0.045 R)
• M19: 18,451,701 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210

Radius: 11.4

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.85 AU - 6.39 AU

Year: 7997 Days

Day: 10.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,834,724 km

• M1: 141,819 km (0.088 R)
• M2: 515,215 km (0.117 R)
• M3: 959,072 km (0.064 R)
• M4: 1,500,018 km (0.099 R)
• M5: 2,051,136 km (0.111 R)
• M6: 2,700,092 km (0.105 R)
• M7: 3,073,488 km (0.071 R)
• M8: 4,014,758 km (0.101 R)
• M9: 5,575,064 km (0.068 R)
• M10: 5,948,011 km (0.063 R)
• M11: 6,744,321 km (0.09 R)
• M12: 7,855,683 km (0.105 R)
• M13: 9,361,835 km (0.031 R)
• M14: 14,755,885 km (0.12 R)
• M15: 15,472,609 km (0.051 R)
• M16: 17,155,285 km (0.078 R)
• M17: 19,936,459 km (0.083 R)
• M18: 20,472,618 km (0.117 R)
• M19: 21,294,958 km (0.108 R)
• M20: 21,855,202 km (0.039 R)
• M21: 22,569,532 km (0.095 R)
• M22: 24,119,964 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.5

Radius: 5.6

Gravity: 25.75 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.07 AU - 7.21 AU

Year: 10502 Days

Day: 20.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,834,724 km

• M1: 70,012 km (0.114 R)
• M2: 433,684 km (0.036 R)
• M3: 1,086,679 km (0.114 R)
• M4: 1,370,466 km (0.053 R)
• M5: 1,913,207 km (0.115 R)
• M6: 2,486,915 km (0.101 R)
• M7: 3,004,823 km (0.106 R)
• M8: 4,137,129 km (0.052 R)
• M9: 7,500,837 km (0.11 R)
• M10: 7,760,090 km (0.113 R)
• M11: 9,392,951 km (0.109 R)
• M12: 10,636,857 km (0.102 R)
• M13: 13,701,370 km (0.064 R)
• M14: 13,894,201 km (0.113 R)
• M15: 18,376,602 km (0.084 R)
• M16: 19,814,836 km (0.077 R)
• M17: 23,368,085 km (0.097 R)
• M18: 26,519,514 km (0.061 R)
• M19: 37,149,938 km (0.12 R)
• M20: 39,961,780 km (0.079 R)
• M21: 41,285,422 km (0.057 R)
• M22: 52,002,165 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.4

Radius: 6

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.85 AU - 7.65 AU

Year: 12105 Days

Day: 15.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,834,724 km

• M1: 74,649 km (0.112 R)
• M2: 275,110 km (0.101 R)
• M3: 560,394 km (0.088 R)
• M4: 949,198 km (0.095 R)
• M5: 1,237,474 km (0.057 R)
• M6: 1,959,882 km (0.117 R)
• M7: 2,467,018 km (0.033 R)
• M8: 5,909,415 km (0.089 R)
• M9: 6,596,518 km (0.117 R)
• M10: 8,461,256 km (0.072 R)
• M11: 9,377,692 km (0.116 R)
• M12: 12,142,859 km (0.064 R)
• M13: 20,104,159 km (0.072 R)
• M14: 27,488,010 km (0.088 R)
• M15: 28,904,104 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.8

Radius: 3.7

Gravity: 44.98 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.19 AU - 8.77 AU

Year: 14121 Days

Day: 21.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,834,724 km

• M1: 46,375 km (0.092 R)
• M2: 162,463 km (0.054 R)
• M3: 396,734 km (0.092 R)
• M4: 1,479,673 km (0.118 R)
• M5: 2,043,208 km (0.106 R)
• M6: 2,583,555 km (0.084 R)
• M7: 3,340,371 km (0.087 R)
• M8: 4,575,750 km (0.101 R)
• M9: 5,138,537 km (0.11 R)
• M10: 5,418,734 km (0.101 R)
• M11: 6,561,213 km (0.097 R)
• M12: 6,932,964 km (0.049 R)
• M13: 11,280,876 km (0.117 R)
• M14: 12,301,583 km (0.083 R)
• M15: 14,182,327 km (0.047 R)
• M16: 14,663,434 km (0.112 R)
• M17: 15,585,555 km (0.103 R)
• M18: 15,803,818 km (0.1 R)
• M19: 16,545,824 km (0.084 R)
• M20: 16,772,913 km (0.093 R)
• M21: 18,179,133 km (0.108 R)
• M22: 22,217,528 km (0.116 R)
• M23: 25,687,151 km (0.12 R)
• M24: 31,195,494 km (0.097 R)
• M25: 32,953,868 km (0.114 R)
• M26: 46,093,647 km (0.11 R)
• M27: 51,843,292 km (0.111 R)
• M28: 57,705,135 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.7

Radius: 7.7

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.57 AU - 12.25 AU

Year: 21534 Days

Day: 20.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,834,724 km

• M1: 95,892 km (0.113 R)
• M2: 352,901 km (0.052 R)
• M3: 787,932 km (0.118 R)
• M4: 1,747,902 km (0.115 R)
• M5: 2,133,415 km (0.106 R)
• M6: 2,552,289 km (0.074 R)
• M7: 2,975,202 km (0.084 R)
• M8: 3,812,801 km (0.115 R)
• M9: 4,496,463 km (0.105 R)
• M10: 4,867,616 km (0.094 R)
• M11: 6,392,766 km (0.061 R)
• M12: 9,953,943 km (0.115 R)
• M13: 11,675,964 km (0.088 R)
• M14: 14,874,217 km (0.063 R)
• M15: 15,245,519 km (0.084 R)
• M16: 16,396,525 km (0.063 R)
• M17: 17,195,527 km (0.106 R)
• M18: 19,218,539 km (0.118 R)
• M19: 21,868,366 km (0.112 R)
• M20: 25,590,511 km (0.076 R)
• M21: 26,664,624 km (0.06 R)
• M22: 27,323,303 km (0.116 R)
• M23: 32,489,366 km (0.119 R)
• M24: 33,114,685 km (0.084 R)
• M25: 34,003,596 km (0.076 R)
• M26: 34,778,064 km (0.077 R)
• M27: 37,036,394 km (0.071 R)
• M28: 41,403,006 km (0.082 R)
• M29: 51,141,827 km (0.077 R)
• M30: 51,987,953 km (0.066 R)
• M31: 52,500,026 km (0.064 R)
• M32: 58,173,526 km (0.1 R)
• M33: 66,022,178 km (0.097 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 12,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit