🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819

Radius: 12.2

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.61 AU - 0.85 AU

Year: 403 Days

Day: 9.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,662,454 km

• M1: 151,991 km (0.109 R)
• M2: 541,544 km (0.092 R)
• M3: 938,128 km (0.062 R)
• M4: 1,348,176 km (0.101 R)
• M5: 1,788,742 km (0.12 R)
• M6: 2,629,033 km (0.078 R)
• M7: 3,470,671 km (0.078 R)
• M8: 4,717,569 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.6

Radius: 12.6

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.73 AU - 1.15 AU

Year: 588 Days

Day: 5.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,662,454 km

• M1: 207,193 km (0.037 R)
• M2: 842,236 km (0.085 R)
• M3: 1,310,029 km (0.07 R)
• M4: 2,026,004 km (0.041 R)
• M5: 2,445,028 km (0.113 R)
• M6: 3,418,910 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 10.7

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.71 AU - 1.73 AU

Year: 1456 Days

Day: 6.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 46,662,454 km

• M1: 134,638 km (0.064 R)
• M2: 529,277 km (0.119 R)
• M3: 1,006,494 km (0.05 R)
• M4: 1,536,969 km (0.079 R)
• M5: 4,177,072 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.6

Radius: 10.3

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.57 AU - 3.29 AU

Year: 3238 Days

Day: 10.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,662,454 km

• M1: 128,355 km (0.069 R)
• M2: 546,780 km (0.101 R)
• M3: 1,016,966 km (0.037 R)
• M4: 1,760,468 km (0.093 R)
• M5: 3,477,702 km (0.037 R)
• M6: 3,984,838 km (0.083 R)
• M7: 5,494,281 km (0.109 R)
• M8: 6,630,028 km (0.118 R)
• M9: 8,191,381 km (0.104 R)
• M10: 10,020,215 km (0.029 R)
• M11: 10,526,155 km (0.076 R)
• M12: 10,897,906 km (0.108 R)
• M13: 11,240,036 km (0.098 R)
• M14: 12,680,813 km (0.116 R)
• M15: 13,230,136 km (0.068 R)
• M16: 14,696,196 km (0.106 R)
• M17: 15,876,822 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.8

Radius: 11.1

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.52 AU - 4.14 AU

Year: 3924 Days

Day: 13 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,662,454 km

• M1: 138,677 km (0.099 R)
• M2: 655,987 km (0.104 R)
• M3: 1,270,086 km (0.057 R)
• M4: 1,860,250 km (0.114 R)
• M5: 2,256,385 km (0.103 R)
• M6: 2,642,946 km (0.108 R)
• M7: 3,092,188 km (0.119 R)
• M8: 3,926,196 km (0.059 R)
• M9: 4,681,815 km (0.103 R)
• M10: 6,008,150 km (0.112 R)
• M11: 6,451,259 km (0.114 R)
• M12: 7,570,400 km (0.093 R)
• M13: 8,194,373 km (0.119 R)
• M14: 9,310,074 km (0.074 R)
• M15: 11,978,750 km (0.066 R)
• M16: 14,799,867 km (0.075 R)
• M17: 15,886,845 km (0.092 R)
• M18: 21,649,953 km (0.079 R)
• M19: 25,260,348 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.8

Radius: 13.1

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.72 AU - 5.48 AU

Year: 6370 Days

Day: 8.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,662,454 km

• M1: 162,912 km (0.087 R)
• M2: 867,817 km (0.059 R)
• M3: 1,460,225 km (0.066 R)
• M4: 3,004,374 km (0.099 R)
• M5: 5,012,875 km (0.12 R)
• M6: 8,244,787 km (0.119 R)
• M7: 8,783,489 km (0.115 R)
• M8: 13,431,944 km (0.091 R)
• M9: 14,280,762 km (0.106 R)
• M10: 15,810,999 km (0.11 R)
• M11: 18,458,732 km (0.06 R)
• M12: 21,861,036 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.9

Radius: 7.5

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.11 AU - 7.35 AU

Year: 10040 Days

Day: 15.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 118.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 46,662,454 km

• M1: 93,349 km (0.115 R)
• M2: 360,381 km (0.113 R)
• M3: 902,374 km (0.102 R)
• M4: 1,217,278 km (0.09 R)
• M5: 2,107,086 km (0.103 R)
• M6: 3,397,667 km (0.119 R)
• M7: 4,114,540 km (0.109 R)
• M8: 5,439,079 km (0.083 R)
• M9: 5,879,496 km (0.116 R)
• M10: 6,234,491 km (0.061 R)
• M11: 7,467,028 km (0.09 R)
• M12: 9,609,120 km (0.091 R)
• M13: 10,303,853 km (0.078 R)
• M14: 10,767,905 km (0.062 R)
• M15: 11,299,726 km (0.089 R)
• M16: 12,073,595 km (0.108 R)
• M17: 13,239,711 km (0.087 R)
• M18: 13,481,760 km (0.075 R)
• M19: 13,974,535 km (0.101 R)
• M20: 15,458,247 km (0.074 R)
• M21: 15,862,012 km (0.107 R)
• M22: 19,349,288 km (0.118 R)
• M23: 19,897,265 km (0.103 R)
• M24: 23,140,995 km (0.119 R)
• M25: 23,669,525 km (0.094 R)
• M26: 24,477,204 km (0.08 R)
• M27: 28,290,753 km (0.082 R)
• M28: 28,996,406 km (0.089 R)
• M29: 30,759,267 km (0.1 R)
• M30: 31,184,125 km (0.091 R)
• M31: 31,613,022 km (0.114 R)
• M32: 32,592,290 km (0.076 R)
• M33: 39,020,361 km (0.11 R)
• M34: 41,552,753 km (0.065 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 12,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit