🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.1

Radius: 9.9

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.15 AU - 1.59 AU

Year: 1052 Days

Day: 11.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,229,564 km

• M1: 127,158 km (0.085 R)
• M2: 459,415 km (0.07 R)
• M3: 922,121 km (0.058 R)
• M4: 1,417,440 km (0.076 R)
• M5: 1,897,499 km (0.099 R)
• M6: 2,435,453 km (0.12 R)
• M7: 2,839,667 km (0.064 R)
• M8: 3,577,035 km (0.091 R)
• M9: 4,067,417 km (0.091 R)
• M10: 4,886,764 km (0.073 R)
• M11: 5,575,961 km (0.034 R)
• M12: 6,328,588 km (0.078 R)
• M13: 8,477,861 km (0.111 R)
• M14: 8,849,462 km (0.113 R)
• M15: 9,717,429 km (0.088 R)
• M16: 10,029,640 km (0.118 R)
• M17: 11,518,138 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.1

Radius: 14.3

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.35 AU - 1.75 AU

Year: 1266 Days

Day: 6.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,229,564 km

• M1: 177,872 km (0.081 R)
• M2: 771,775 km (0.08 R)
• M3: 1,362,687 km (0.06 R)
• M4: 1,888,374 km (0.07 R)
• M5: 3,482,190 km (0.082 R)
• M6: 4,013,262 km (0.12 R)
• M7: 4,679,571 km (0.104 R)
• M8: 5,638,793 km (0.117 R)
• M9: 6,175,550 km (0.099 R)
• M10: 6,621,202 km (0.096 R)
• M11: 7,285,715 km (0.11 R)
• M12: 7,737,800 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.9

Radius: 14.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.83 AU - 3.73 AU

Year: 3897 Days

Day: 10.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,229,564 km

• M1: 185,352 km (0.118 R)
• M2: 1,391,559 km (0.078 R)
• M3: 2,015,083 km (0.12 R)
• M4: 3,093,684 km (0.087 R)
• M5: 3,839,878 km (0.071 R)
• M6: 5,470,794 km (0.057 R)
• M7: 5,949,507 km (0.042 R)
• M8: 7,020,927 km (0.112 R)
• M9: 7,866,903 km (0.054 R)
• M10: 10,394,359 km (0.07 R)
• M11: 11,453,811 km (0.114 R)
• M12: 12,199,258 km (0.058 R)
• M13: 13,377,939 km (0.06 R)
• M14: 14,631,420 km (0.12 R)
• M15: 16,787,424 km (0.12 R)
• M16: 17,317,898 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.3

Radius: 12.6

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.74 AU - 4.56 AU

Year: 4575 Days

Day: 9.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,229,564 km

• M1: 156,779 km (0.114 R)
• M2: 640,129 km (0.088 R)
• M3: 1,061,098 km (0.108 R)
• M4: 1,641,388 km (0.064 R)
• M5: 2,084,347 km (0.083 R)
• M6: 2,516,984 km (0.114 R)
• M7: 6,459,486 km (0.089 R)
• M8: 7,173,367 km (0.11 R)
• M9: 9,336,553 km (0.077 R)
• M10: 13,070,366 km (0.096 R)
• M11: 15,113,574 km (0.072 R)
• M12: 15,892,380 km (0.049 R)
• M13: 16,862,074 km (0.028 R)
• M14: 17,473,929 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.5

Radius: 8.8

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.54 AU - 5.16 AU

Year: 7007 Days

Day: 13.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,229,564 km

• M1: 109,506 km (0.109 R)
• M2: 638,334 km (0.113 R)
• M3: 1,012,030 km (0.107 R)
• M4: 1,359,246 km (0.111 R)
• M5: 1,828,684 km (0.048 R)
• M6: 2,232,299 km (0.092 R)
• M7: 2,949,172 km (0.093 R)
• M8: 3,350,244 km (0.085 R)
• M9: 3,739,648 km (0.086 R)
• M10: 6,192,753 km (0.113 R)
• M11: 7,033,942 km (0.118 R)
• M12: 8,435,674 km (0.106 R)
• M13: 13,125,867 km (0.046 R)
• M14: 16,242,738 km (0.065 R)
• M15: 18,598,606 km (0.107 R)
• M16: 19,024,212 km (0.108 R)
• M17: 20,943,851 km (0.111 R)
• M18: 21,715,477 km (0.115 R)
• M19: 23,070,385 km (0.118 R)
• M20: 23,727,120 km (0.06 R)
• M21: 24,992,119 km (0.09 R)
• M22: 26,390,411 km (0.078 R)
• M23: 28,584,413 km (0.117 R)
• M24: 30,113,004 km (0.068 R)
• M25: 31,695,301 km (0.079 R)
• M26: 32,711,968 km (0.046 R)
• M27: 36,996,601 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.2

Radius: 6.6

Gravity: 17.41 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.44 AU - 9.24 AU

Year: 14401 Days

Day: 22.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,229,564 km

• M1: 82,129 km (0.063 R)
• M2: 420,520 km (0.076 R)
• M3: 754,422 km (0.102 R)
• M4: 1,654,253 km (0.113 R)
• M5: 2,131,919 km (0.073 R)
• M6: 2,766,364 km (0.117 R)
• M7: 4,093,297 km (0.048 R)
• M8: 5,952,200 km (0.025 R)
• M9: 7,556,936 km (0.028 R)
• M10: 8,458,712 km (0.115 R)
• M11: 9,063,985 km (0.118 R)
• M12: 12,985,394 km (0.084 R)
• M13: 14,627,829 km (0.085 R)
• M14: 16,948,092 km (0.116 R)
• M15: 37,643,611 km (0.092 R)
• M16: 38,589,369 km (0.081 R)
• M17: 40,247,362 km (0.109 R)
• M18: 43,852,970 km (0.05 R)
• M19: 44,599,164 km (0.072 R)
• M20: 53,203,735 km (0.071 R)
• M21: 56,125,680 km (0.116 R)
• M22: 57,181,991 km (0.043 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 19,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit