🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.4

Radius: 12.3

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.66 AU - 0.76 AU

Year: 406 Days

Day: 14.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,015,586 km

• M1: 153,039 km (0.062 R)
• M2: 608,564 km (0.076 R)
• M3: 1,080,246 km (0.107 R)
• M4: 1,544,897 km (0.105 R)
• M5: 2,015,532 km (0.117 R)
• M6: 2,936,457 km (0.089 R)
• M7: 3,395,572 km (0.061 R)
• M8: 3,929,338 km (0.118 R)
• M9: 5,429,206 km (0.113 R)
• M10: 5,963,869 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.4

Radius: 12.9

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.8 AU - 0.92 AU

Year: 541 Days

Day: 14.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,015,586 km

• M1: 162,014 km (0.115 R)
• M2: 608,714 km (0.055 R)
• M3: 1,032,375 km (0.113 R)
• M4: 1,474,287 km (0.098 R)
• M5: 2,109,031 km (0.068 R)
• M6: 2,731,508 km (0.112 R)
• M7: 3,881,616 km (0.113 R)
• M8: 4,470,134 km (0.116 R)
• M9: 5,132,853 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.9

Radius: 8.7

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.29 AU - 1.67 AU

Year: 1221 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,015,586 km

• M1: 108,159 km (0.12 R)
• M2: 441,763 km (0.12 R)
• M3: 984,055 km (0.101 R)
• M4: 1,290,730 km (0.108 R)
• M5: 2,169,319 km (0.032 R)
• M6: 2,883,948 km (0.096 R)
• M7: 3,193,167 km (0.119 R)
• M8: 3,555,792 km (0.074 R)
• M9: 4,947,950 km (0.117 R)
• M10: 5,248,641 km (0.093 R)
• M11: 5,842,844 km (0.042 R)
• M12: 6,363,893 km (0.08 R)
• M13: 6,696,001 km (0.102 R)
• M14: 7,039,627 km (0.09 R)
• M15: 7,629,791 km (0.111 R)
• M16: 7,923,451 km (0.097 R)
• M17: 8,336,192 km (0.118 R)
• M18: 9,055,907 km (0.097 R)
• M19: 9,630,064 km (0.097 R)
• M20: 10,260,469 km (0.119 R)
• M21: 10,684,729 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.6

Radius: 14.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.5 AU - 1.72 AU

Year: 1386 Days

Day: 8.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,015,586 km

• M1: 175,329 km (0.062 R)
• M2: 675,584 km (0.11 R)
• M3: 1,192,893 km (0.108 R)
• M4: 1,896,153 km (0.084 R)
• M5: 2,483,773 km (0.094 R)
• M6: 3,587,507 km (0.06 R)
• M7: 4,479,110 km (0.116 R)
• M8: 4,959,618 km (0.092 R)
• M9: 5,878,897 km (0.051 R)
• M10: 6,346,839 km (0.102 R)
• M11: 6,978,591 km (0.073 R)
• M12: 7,726,730 km (0.098 R)
• M13: 8,447,792 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.8

Radius: 12

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.21 AU - 4.27 AU

Year: 4906 Days

Day: 12.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,015,586 km

• M1: 149,299 km (0.12 R)
• M2: 526,285 km (0.097 R)
• M3: 900,130 km (0.111 R)
• M4: 1,426,266 km (0.118 R)
• M5: 2,104,244 km (0.094 R)
• M6: 2,987,918 km (0.111 R)
• M7: 3,853,342 km (0.094 R)
• M8: 4,901,275 km (0.116 R)
• M9: 5,313,716 km (0.068 R)
• M10: 5,724,363 km (0.041 R)
• M11: 7,495,003 km (0.046 R)
• M12: 8,264,983 km (0.088 R)
• M13: 9,019,256 km (0.089 R)
• M14: 10,144,232 km (0.061 R)
• M15: 12,544,978 km (0.117 R)
• M16: 13,497,019 km (0.097 R)
• M17: 16,439,460 km (0.107 R)
• M18: 16,899,473 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.8

Radius: 7.5

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.86 AU - 7.96 AU

Year: 11007 Days

Day: 18 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,015,586 km

• M1: 106,364 km (0.115 R)
• M2: 436,527 km (0.095 R)
• M3: 726,298 km (0.116 R)
• M4: 1,045,689 km (0.105 R)
• M5: 1,499,120 km (0.106 R)
• M6: 2,711,013 km (0.109 R)
• M7: 3,130,485 km (0.103 R)
• M8: 3,827,013 km (0.068 R)
• M9: 5,255,373 km (0.088 R)
• M10: 5,980,175 km (0.068 R)
• M11: 7,928,837 km (0.078 R)
• M12: 9,070,418 km (0.044 R)
• M13: 9,311,271 km (0.026 R)
• M14: 9,755,726 km (0.062 R)
• M15: 11,846,506 km (0.031 R)
• M16: 12,486,485 km (0.115 R)
• M17: 13,026,983 km (0.05 R)
• M18: 14,090,324 km (0.084 R)
• M19: 14,610,326 km (0.115 R)
• M20: 16,891,245 km (0.051 R)
• M21: 19,240,829 km (0.118 R)
• M22: 20,700,605 km (0.108 R)
• M23: 26,489,295 km (0.062 R)
• M24: 28,601,318 km (0.07 R)
• M25: 29,329,560 km (0.058 R)
• M26: 30,176,882 km (0.052 R)
• M27: 34,309,374 km (0.099 R)
• M28: 34,543,046 km (0.113 R)
• M29: 35,368,826 km (0.05 R)
• M30: 46,329,264 km (0.025 R)
• M31: 47,913,505 km (0.058 R)
• M32: 49,088,148 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.8

Radius: 8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.92 AU - 11.42 AU

Year: 23639 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,015,586 km

• M1: 99,483 km (0.077 R)
• M2: 523,443 km (0.039 R)
• M3: 869,612 km (0.038 R)
• M4: 1,128,716 km (0.108 R)
• M5: 2,960,991 km (0.109 R)
• M6: 3,852,893 km (0.105 R)
• M7: 6,225,515 km (0.032 R)
• M8: 7,440,101 km (0.103 R)
• M9: 8,000,345 km (0.109 R)
• M10: 8,761,798 km (0.042 R)
• M11: 9,945,566 km (0.107 R)
• M12: 11,492,408 km (0.09 R)
• M13: 12,350,501 km (0.089 R)
• M14: 17,360,982 km (0.082 R)
• M15: 22,494,583 km (0.084 R)
• M16: 23,749,410 km (0.076 R)
• M17: 26,215,381 km (0.084 R)
• M18: 35,401,887 km (0.116 R)
• M19: 37,212,022 km (0.053 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: 429 - 16,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit