🌌 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: 770.6

Radius: 9.8

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.45 AU - 0.59 AU

Year: 264 Days

Day: 9.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,487,927 km

• M1: 121,922 km (0.057 R)
• M2: 626,965 km (0.04 R)
• M3: 1,035,367 km (0.073 R)
• M4: 1,356,254 km (0.059 R)
• M5: 1,757,925 km (0.112 R)
• M6: 2,120,400 km (0.117 R)
• M7: 2,612,428 km (0.093 R)
• M8: 3,314,790 km (0.094 R)
• M9: 3,733,664 km (0.071 R)
• M10: 4,052,457 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.3

Radius: 9.1

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.48 AU - 3.22 AU

Year: 3382 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,487,927 km

• M1: 114,293 km (0.087 R)
• M2: 552,465 km (0.078 R)
• M3: 1,488,948 km (0.111 R)
• M4: 1,871,021 km (0.039 R)
• M5: 2,503,221 km (0.068 R)
• M6: 3,176,860 km (0.116 R)
• M7: 3,486,229 km (0.118 R)
• M8: 4,256,957 km (0.105 R)
• M9: 4,806,280 km (0.079 R)
• M10: 5,620,392 km (0.094 R)
• M11: 6,163,133 km (0.072 R)
• M12: 6,677,899 km (0.099 R)
• M13: 7,932,577 km (0.037 R)
• M14: 10,858,561 km (0.081 R)
• M15: 13,118,088 km (0.094 R)
• M16: 16,981,153 km (0.106 R)
• M17: 17,511,927 km (0.068 R)
• M18: 18,175,543 km (0.106 R)
• M19: 19,489,162 km (0.067 R)
• M20: 22,024,995 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.3

Radius: 10.8

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.67 AU - 3.11 AU

Year: 3453 Days

Day: 5.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,487,927 km

• M1: 141,220 km (0.104 R)
• M2: 544,686 km (0.119 R)
• M3: 881,879 km (0.056 R)
• M4: 1,386,174 km (0.097 R)
• M5: 1,873,265 km (0.097 R)
• M6: 2,354,970 km (0.097 R)
• M7: 2,737,043 km (0.093 R)
• M8: 4,293,010 km (0.077 R)
• M9: 5,136,443 km (0.106 R)
• M10: 5,948,311 km (0.043 R)
• M11: 7,694,417 km (0.042 R)
• M12: 9,952,896 km (0.09 R)
• M13: 11,947,185 km (0.077 R)
• M14: 12,439,213 km (0.115 R)
• M15: 17,899,535 km (0.059 R)
• M16: 18,544,451 km (0.066 R)
• M17: 19,144,040 km (0.049 R)
• M18: 20,445,391 km (0.111 R)
• M19: 21,020,745 km (0.075 R)
• M20: 22,540,360 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.4

Radius: 13

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.19 AU - 4.07 AU

Year: 4861 Days

Day: 14.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,487,927 km

• M1: 161,715 km (0.103 R)
• M2: 572,960 km (0.098 R)
• M3: 1,639,892 km (0.036 R)
• M4: 2,729,413 km (0.053 R)
• M5: 3,148,736 km (0.095 R)
• M6: 4,675,532 km (0.072 R)
• M7: 5,467,503 km (0.051 R)
• M8: 6,619,407 km (0.086 R)
• M9: 7,686,488 km (0.119 R)
• M10: 8,532,315 km (0.043 R)
• M11: 11,489,416 km (0.116 R)
• M12: 12,979,410 km (0.053 R)
• M13: 13,470,391 km (0.08 R)
• M14: 13,973,788 km (0.102 R)
• M15: 14,385,630 km (0.067 R)
• M16: 16,855,042 km (0.113 R)
• M17: 17,380,879 km (0.111 R)
• M18: 19,150,323 km (0.093 R)
• M19: 20,046,264 km (0.099 R)
• M20: 21,852,958 km (0.051 R)
• M21: 22,831,328 km (0.067 R)
• M22: 23,838,720 km (0.119 R)
• M23: 24,800,485 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.5

Radius: 6.8

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.81 AU - 6.45 AU

Year: 10668 Days

Day: 24.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,487,927 km

• M1: 84,523 km (0.072 R)
• M2: 557,701 km (0.11 R)
• M3: 1,235,828 km (0.119 R)
• M4: 1,539,512 km (0.075 R)
• M5: 2,212,702 km (0.099 R)
• M6: 7,041,572 km (0.097 R)
• M7: 7,267,165 km (0.112 R)
• M8: 7,693,370 km (0.067 R)
• M9: 8,054,349 km (0.095 R)
• M10: 10,955,800 km (0.025 R)
• M11: 11,777,092 km (0.118 R)
• M12: 16,575,294 km (0.045 R)
• M13: 17,518,659 km (0.042 R)
• M14: 19,145,386 km (0.035 R)
• M15: 19,883,203 km (0.042 R)
• M16: 25,147,252 km (0.075 R)
• M17: 25,587,070 km (0.09 R)
• M18: 34,620,388 km (0.076 R)
• M19: 36,381,604 km (0.106 R)
• M20: 37,856,040 km (0.059 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: 545 - 15,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit