🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.4

Radius: 13

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.52 AU - 0.6 AU

Year: 289 Days

Day: 8.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,555,926 km

• M1: 161,715 km (0.076 R)
• M2: 842,834 km (0.051 R)
• M3: 1,299,407 km (0.092 R)
• M4: 1,766,900 km (0.058 R)
• M5: 2,586,398 km (0.091 R)
• M6: 3,373,582 km (0.116 R)
• M7: 4,095,840 km (0.09 R)
• M8: 4,541,791 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.9

Radius: 13.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.92 AU - 1.32 AU

Year: 818 Days

Day: 11.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,555,926 km

• M1: 169,195 km (0.119 R)
• M2: 619,934 km (0.119 R)
• M3: 1,048,083 km (0.11 R)
• M4: 1,519,316 km (0.108 R)
• M5: 2,460,586 km (0.105 R)
• M6: 3,007,964 km (0.095 R)
• M7: 3,946,242 km (0.114 R)
• M8: 4,572,010 km (0.117 R)
• M9: 5,334,510 km (0.08 R)
• M10: 6,359,705 km (0.098 R)
• M11: 7,377,718 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.3

Radius: 11

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.03 AU - 1.29 AU

Year: 862 Days

Day: 8 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,555,926 km

• M1: 136,732 km (0.081 R)
• M2: 505,790 km (0.088 R)
• M3: 1,093,560 km (0.059 R)
• M4: 1,487,003 km (0.083 R)
• M5: 1,898,247 km (0.113 R)
• M6: 2,546,605 km (0.115 R)
• M7: 3,008,264 km (0.068 R)
• M8: 3,466,631 km (0.073 R)
• M9: 5,167,410 km (0.032 R)
• M10: 6,060,509 km (0.088 R)
• M11: 7,664,049 km (0.117 R)
• M12: 8,230,276 km (0.104 R)
• M13: 8,605,019 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.4

Radius: 11

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.94 AU - 2.32 AU

Year: 2146 Days

Day: 9.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,555,926 km

• M1: 136,732 km (0.047 R)
• M2: 1,088,773 km (0.111 R)
• M3: 1,715,738 km (0.091 R)
• M4: 2,199,238 km (0.095 R)
• M5: 2,938,401 km (0.12 R)
• M6: 3,835,989 km (0.1 R)
• M7: 4,258,752 km (0.07 R)
• M8: 4,929,399 km (0.049 R)
• M9: 5,865,134 km (0.08 R)
• M10: 6,915,461 km (0.083 R)
• M11: 9,978,328 km (0.08 R)
• M12: 10,374,912 km (0.108 R)
• M13: 13,803,545 km (0.088 R)
• M14: 14,341,798 km (0.051 R)
• M15: 15,748,766 km (0.054 R)
• M16: 16,786,975 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267

Radius: 12.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.49 AU - 3.29 AU

Year: 3391 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,555,926 km

• M1: 160,369 km (0.109 R)
• M2: 806,033 km (0.097 R)
• M3: 1,331,421 km (0.106 R)
• M4: 1,845,439 km (0.07 R)
• M5: 2,268,801 km (0.066 R)
• M6: 2,743,326 km (0.116 R)
• M7: 3,202,591 km (0.117 R)
• M8: 3,677,564 km (0.091 R)
• M9: 4,728,639 km (0.096 R)
• M10: 6,020,417 km (0.113 R)
• M11: 7,333,288 km (0.053 R)
• M12: 9,494,378 km (0.092 R)
• M13: 11,190,818 km (0.091 R)
• M14: 11,654,721 km (0.116 R)
• M15: 12,579,685 km (0.097 R)
• M16: 13,166,408 km (0.1 R)
• M17: 14,576,069 km (0.053 R)
• M18: 15,036,531 km (0.105 R)
• M19: 16,675,525 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.2

Radius: 4.1

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.65 AU - 7.11 AU

Year: 11124 Days

Day: 21.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,555,926 km

• M1: 52,359 km (0.058 R)
• M2: 194,328 km (0.11 R)
• M3: 357,988 km (0.076 R)
• M4: 614,249 km (0.089 R)
• M5: 783,444 km (0.059 R)
• M6: 1,110,315 km (0.115 R)
• M7: 1,744,012 km (0.091 R)
• M8: 3,469,623 km (0.068 R)
• M9: 4,409,547 km (0.065 R)
• M10: 4,731,930 km (0.105 R)
• M11: 5,016,914 km (0.071 R)
• M12: 7,478,547 km (0.108 R)
• M13: 7,900,862 km (0.1 R)
• M14: 8,191,082 km (0.086 R)
• M15: 9,874,357 km (0.084 R)
• M16: 11,086,549 km (0.108 R)
• M17: 13,440,770 km (0.088 R)
• M18: 14,276,274 km (0.031 R)
• M19: 14,980,132 km (0.112 R)
• M20: 16,515,605 km (0.12 R)
• M21: 18,594,267 km (0.036 R)
• M22: 20,162,352 km (0.045 R)
• M23: 22,243,707 km (0.074 R)
• M24: 23,858,018 km (0.11 R)
• M25: 24,924,950 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.6

Radius: 4.2

Gravity: 13.41 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.68 AU - 9.42 AU

Year: 15765 Days

Day: 19.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,555,926 km

• M1: 154,535 km (0.046 R)
• M2: 833,709 km (0.089 R)
• M3: 1,643,333 km (0.093 R)
• M4: 2,814,235 km (0.081 R)
• M5: 3,052,694 km (0.06 R)
• M6: 3,257,793 km (0.06 R)
• M7: 6,088,334 km (0.081 R)
• M8: 6,674,459 km (0.115 R)
• M9: 12,839,237 km (0.112 R)
• M10: 13,134,394 km (0.04 R)
• M11: 16,754,962 km (0.12 R)
• M12: 25,789,476 km (0.097 R)
• M13: 29,299,042 km (0.041 R)
• M14: 34,229,638 km (0.103 R)
• M15: 35,370,023 km (0.071 R)
• M16: 36,771,605 km (0.062 R)
• M17: 37,726,339 km (0.074 R)
• M18: 41,325,813 km (0.112 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 10,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit