🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777

Radius: 12.7

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.6 AU - 0.92 AU

Year: 449 Days

Day: 12.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,653,391 km

• M1: 157,975 km (0.029 R)
• M2: 570,267 km (0.113 R)
• M3: 989,590 km (0.05 R)
• M4: 1,455,587 km (0.116 R)
• M5: 1,977,833 km (0.092 R)
• M6: 2,614,073 km (0.083 R)
• M7: 3,604,710 km (0.068 R)
• M8: 4,103,769 km (0.108 R)
• M9: 4,545,083 km (0.103 R)
• M10: 5,557,561 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.5

Radius: 13.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.57 AU - 2.09 AU

Year: 1679 Days

Day: 9.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,653,391 km

• M1: 165,455 km (0.092 R)
• M2: 585,376 km (0.106 R)
• M3: 1,036,414 km (0.084 R)
• M4: 1,777,821 km (0.09 R)
• M5: 2,343,600 km (0.099 R)
• M6: 2,760,230 km (0.11 R)
• M7: 3,479,796 km (0.094 R)
• M8: 3,959,407 km (0.12 R)
• M9: 5,013,623 km (0.065 R)
• M10: 5,714,040 km (0.097 R)
• M11: 6,573,330 km (0.097 R)
• M12: 8,158,170 km (0.115 R)
• M13: 8,835,549 km (0.086 R)
• M14: 9,673,148 km (0.098 R)
• M15: 11,645,895 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.1

Radius: 10.8

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.68 AU - 4.02 AU

Year: 4159 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,653,391 km

• M1: 134,339 km (0.092 R)
• M2: 503,397 km (0.09 R)
• M3: 1,176,886 km (0.097 R)
• M4: 2,218,237 km (0.097 R)
• M5: 3,125,100 km (0.108 R)
• M6: 3,559,233 km (0.097 R)
• M7: 4,452,481 km (0.084 R)
• M8: 5,109,366 km (0.117 R)
• M9: 6,397,703 km (0.098 R)
• M10: 6,743,274 km (0.098 R)
• M11: 7,644,750 km (0.111 R)
• M12: 9,086,425 km (0.109 R)
• M13: 10,571,034 km (0.112 R)
• M14: 11,833,042 km (0.117 R)
• M15: 13,243,301 km (0.112 R)
• M16: 16,570,208 km (0.115 R)
• M17: 17,527,335 km (0.108 R)
• M18: 20,417,267 km (0.12 R)
• M19: 20,962,252 km (0.082 R)
• M20: 24,135,522 km (0.054 R)
• M21: 27,122,692 km (0.045 R)
• M22: 27,781,521 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.7

Radius: 13.5

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.1 AU - 4.3 AU

Year: 5838 Days

Day: 13.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,653,391 km

• M1: 168,298 km (0.12 R)
• M2: 649,255 km (0.034 R)
• M3: 1,583,194 km (0.093 R)
• M4: 3,971,375 km (0.105 R)
• M5: 4,458,465 km (0.073 R)
• M6: 5,823,696 km (0.068 R)
• M7: 6,487,760 km (0.035 R)
• M8: 8,196,767 km (0.063 R)
• M9: 8,627,459 km (0.061 R)
• M10: 11,060,369 km (0.066 R)
• M11: 14,365,584 km (0.099 R)
• M12: 15,343,655 km (0.092 R)
• M13: 16,674,927 km (0.088 R)
• M14: 18,814,176 km (0.104 R)
• M15: 19,914,768 km (0.093 R)
• M16: 21,350,459 km (0.103 R)
• M17: 22,471,545 km (0.095 R)
• M18: 24,994,214 km (0.049 R)
• M19: 26,408,662 km (0.037 R)
• M20: 27,612,925 km (0.098 R)
• M21: 29,033,805 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426

Radius: 13.8

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.32 AU - 5.6 AU

Year: 7492 Days

Day: 6.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,653,391 km

• M1: 171,589 km (0.069 R)
• M2: 825,182 km (0.102 R)
• M3: 1,345,782 km (0.079 R)
• M4: 1,777,821 km (0.032 R)
• M5: 2,418,848 km (0.083 R)
• M6: 3,931,881 km (0.027 R)
• M7: 6,390,223 km (0.083 R)
• M8: 7,868,698 km (0.092 R)
• M9: 8,527,976 km (0.108 R)
• M10: 8,974,227 km (0.085 R)
• M11: 9,957,683 km (0.046 R)
• M12: 12,497,257 km (0.065 R)
• M13: 14,000,566 km (0.114 R)
• M14: 15,323,011 km (0.081 R)
• M15: 17,753,827 km (0.112 R)
• M16: 19,026,755 km (0.101 R)
• M17: 24,164,394 km (0.115 R)
• M18: 28,061,868 km (0.072 R)
• M19: 28,870,594 km (0.081 R)
• M20: 30,066,330 km (0.113 R)
• M21: 30,818,358 km (0.096 R)
• M22: 31,775,934 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64

Radius: 13

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.16 AU - 6.3 AU

Year: 8112 Days

Day: 15 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,653,391 km

• M1: 191,784 km (0.092 R)
• M2: 605,123 km (0.105 R)
• M3: 4,896,638 km (0.062 R)
• M4: 5,904,778 km (0.101 R)
• M5: 10,428,168 km (0.119 R)
• M6: 11,803,272 km (0.04 R)
• M7: 16,091,645 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160

Radius: 3.9

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.86 AU - 6.22 AU

Year: 10068 Days

Day: 24.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,653,391 km

• M1: 48,470 km (0.08 R)
• M2: 748,289 km (0.114 R)
• M3: 1,018,612 km (0.108 R)
• M4: 1,452,895 km (0.075 R)
• M5: 1,929,065 km (0.096 R)
• M6: 2,088,835 km (0.077 R)
• M7: 7,036,186 km (0.118 R)
• M8: 8,103,866 km (0.075 R)
• M9: 8,521,095 km (0.096 R)
• M10: 9,113,053 km (0.068 R)
• M11: 10,203,024 km (0.058 R)
• M12: 12,289,914 km (0.066 R)
• M13: 13,198,871 km (0.115 R)
• M14: 13,406,812 km (0.113 R)
• M15: 21,702,462 km (0.091 R)
• M16: 23,861,459 km (0.081 R)
• M17: 24,247,571 km (0.106 R)
• M18: 26,487,350 km (0.11 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 10,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit