🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.5

Radius: 14.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.46 AU - 0.58 AU

Year: 264 Days

Day: 8.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 25,031,941 km

• M1: 177,872 km (0.094 R)
• M2: 1,046,587 km (0.117 R)
• M3: 1,886,878 km (0.061 R)
• M4: 3,074,236 km (0.11 R)
• M5: 3,596,782 km (0.06 R)
• M6: 4,672,839 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.2

Radius: 10.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.92 AU - 1.08 AU

Year: 703 Days

Day: 14.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,031,941 km

• M1: 134,339 km (0.109 R)
• M2: 495,019 km (0.101 R)
• M3: 984,055 km (0.097 R)
• M4: 1,532,929 km (0.109 R)
• M5: 2,530,149 km (0.101 R)
• M6: 2,996,296 km (0.069 R)
• M7: 4,131,594 km (0.039 R)
• M8: 4,494,668 km (0.085 R)
• M9: 6,013,685 km (0.049 R)
• M10: 6,562,111 km (0.099 R)
• M11: 7,469,122 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.5

Radius: 8

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.81 AU - 2.69 AU

Year: 2372 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,031,941 km

• M1: 99,483 km (0.096 R)
• M2: 432,039 km (0.076 R)
• M3: 725,699 km (0.034 R)
• M4: 1,354,459 km (0.103 R)
• M5: 1,607,878 km (0.118 R)
• M6: 2,024,508 km (0.07 R)
• M7: 4,749,583 km (0.115 R)
• M8: 5,296,064 km (0.095 R)
• M9: 6,246,309 km (0.09 R)
• M10: 6,959,143 km (0.091 R)
• M11: 9,181,719 km (0.083 R)
• M12: 10,397,501 km (0.109 R)
• M13: 12,417,371 km (0.093 R)
• M14: 12,671,089 km (0.111 R)
• M15: 15,016,933 km (0.077 R)
• M16: 16,393,234 km (0.095 R)
• M17: 16,801,337 km (0.082 R)
• M18: 17,584,931 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.2

Radius: 14.2

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.59 AU - 3.15 AU

Year: 3418 Days

Day: 7.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,031,941 km

• M1: 177,273 km (0.118 R)
• M2: 670,498 km (0.099 R)
• M3: 1,993,691 km (0.089 R)
• M4: 2,574,879 km (0.103 R)
• M5: 4,084,321 km (0.083 R)
• M6: 4,529,674 km (0.065 R)
• M7: 5,182,818 km (0.082 R)
• M8: 6,618,659 km (0.106 R)
• M9: 7,527,166 km (0.119 R)
• M10: 8,588,863 km (0.085 R)
• M11: 9,100,038 km (0.106 R)
• M12: 10,508,652 km (0.104 R)
• M13: 12,376,381 km (0.047 R)
• M14: 16,425,697 km (0.091 R)
• M15: 23,754,347 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.9

Radius: 12.6

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.74 AU - 3.04 AU

Year: 3453 Days

Day: 12 Hours

Environment

Temp: -214 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,031,941 km

• M1: 156,928 km (0.079 R)
• M2: 731,683 km (0.041 R)
• M3: 1,291,778 km (0.056 R)
• M4: 1,915,302 km (0.108 R)
• M5: 2,650,425 km (0.041 R)
• M6: 3,048,057 km (0.063 R)
• M7: 3,943,849 km (0.11 R)
• M8: 4,442,159 km (0.069 R)
• M9: 4,931,494 km (0.064 R)
• M10: 6,776,185 km (0.076 R)
• M11: 7,871,990 km (0.112 R)
• M12: 9,712,043 km (0.083 R)
• M13: 10,840,909 km (0.111 R)
• M14: 11,325,157 km (0.097 R)
• M15: 11,962,295 km (0.108 R)
• M16: 12,671,388 km (0.099 R)
• M17: 13,559,102 km (0.091 R)
• M18: 15,239,086 km (0.11 R)
• M19: 16,529,667 km (0.057 R)
• M20: 17,350,062 km (0.102 R)
• M21: 18,756,731 km (0.08 R)
• M22: 19,199,540 km (0.092 R)
• M23: 21,109,008 km (0.106 R)
• M24: 22,144,973 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.4

Radius: 3.3

Gravity: 78.37 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.3 AU - 6.86 AU

Year: 9265 Days

Day: 23.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 25,031,941 km

• M1: 40,990 km (0.098 R)
• M2: 143,764 km (0.045 R)
• M3: 331,509 km (0.045 R)
• M4: 527,781 km (0.116 R)
• M5: 701,315 km (0.086 R)
• M6: 891,903 km (0.088 R)
• M7: 1,514,230 km (0.103 R)
• M8: 1,753,586 km (0.078 R)
• M9: 1,865,934 km (0.04 R)
• M10: 2,288,249 km (0.07 R)
• M11: 2,501,875 km (0.086 R)
• M12: 3,721,845 km (0.102 R)
• M13: 3,881,018 km (0.062 R)
• M14: 4,594,001 km (0.099 R)
• M15: 4,808,375 km (0.097 R)
• M16: 5,093,658 km (0.12 R)
• M17: 7,168,880 km (0.053 R)
• M18: 7,583,116 km (0.111 R)
• M19: 7,882,461 km (0.097 R)
• M20: 12,760,250 km (0.066 R)
• M21: 13,183,462 km (0.112 R)
• M22: 13,994,282 km (0.045 R)
• M23: 14,509,348 km (0.103 R)
• M24: 16,270,863 km (0.09 R)
• M25: 17,719,120 km (0.094 R)
• M26: 26,848,629 km (0.041 R)
• M27: 28,554,942 km (0.081 R)
• M28: 29,801,990 km (0.115 R)
• M29: 31,084,942 km (0.086 R)
• M30: 32,404,245 km (0.105 R)
• M31: 36,585,206 km (0.095 R)
• M32: 45,296,739 km (0.071 R)
• M33: 45,856,684 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.2

Radius: 3.5

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.04 AU - 9.74 AU

Year: 15578 Days

Day: 18.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 101.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,031,941 km

• M1: 43,683 km (0.116 R)
• M2: 159,920 km (0.07 R)
• M3: 328,218 km (0.083 R)
• M4: 870,061 km (0.093 R)
• M5: 1,087,577 km (0.065 R)
• M6: 1,361,341 km (0.08 R)
• M7: 1,537,268 km (0.096 R)
• M8: 2,275,384 km (0.113 R)
• M9: 6,173,605 km (0.076 R)
• M10: 7,195,059 km (0.081 R)
• M11: 9,684,817 km (0.085 R)
• M12: 10,585,545 km (0.1 R)
• M13: 11,318,724 km (0.107 R)
• M14: 14,383,237 km (0.108 R)
• M15: 18,565,395 km (0.1 R)
• M16: 18,812,082 km (0.1 R)
• M17: 19,123,545 km (0.083 R)
• M18: 19,884,848 km (0.081 R)
• M19: 22,638,795 km (0.064 R)
• M20: 24,143,152 km (0.094 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 14,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit