🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.6 AU - 0.88 AU

Year: 241 Days

Day: 42.6 Hours

Environment

Temp: 95 °C

Axial Tilt: 17.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.58 AU - 2.1 AU

Year: 945 Days

Day: 25 Hours

Environment

Temp: -69 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.06 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 11.8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.25 AU - 5.29 AU

Year: 3342 Days

Day: 14 Hours

Environment

Temp: -129 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 107,708,594 km

• M1: 148,850 km (0.107 R)
• M2: 575,952 km (0.081 R)
• M3: 1,256,024 km (0.112 R)
• M4: 1,799,363 km (0.086 R)
• M5: 2,276,580 km (0.095 R)
• M6: 3,227,873 km (0.109 R)
• M7: 3,672,478 km (0.092 R)
• M8: 4,664,162 km (0.092 R)
• M9: 9,334,458 km (0.1 R)
• M10: 10,469,457 km (0.115 R)
• M11: 12,362,768 km (0.068 R)
• M12: 16,974,122 km (0.107 R)
• M13: 17,777,014 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.8

Radius: 11.1

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.39 AU - 8.77 AU

Year: 9519 Days

Day: 10.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 60.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 107,708,594 km

• M1: 139,425 km (0.1 R)
• M2: 859,141 km (0.099 R)
• M3: 1,298,809 km (0.116 R)
• M4: 2,710,564 km (0.105 R)
• M5: 3,484,434 km (0.094 R)
• M6: 6,627,036 km (0.118 R)
• M7: 9,095,850 km (0.071 R)
• M8: 10,768,354 km (0.059 R)
• M9: 12,988,087 km (0.109 R)
• M10: 15,831,943 km (0.074 R)
• M11: 16,725,341 km (0.032 R)
• M12: 21,371,402 km (0.111 R)
• M13: 21,954,236 km (0.116 R)
• M14: 24,572,946 km (0.075 R)
• M15: 28,680,006 km (0.108 R)
• M16: 32,781,681 km (0.064 R)
• M17: 43,440,678 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.6

Radius: 3.6

Gravity: 22.58 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 10.82 AU - 13.72 AU

Year: 16279 Days

Day: 24.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 107,708,594 km

• M1: 44,730 km (0.057 R)
• M2: 162,164 km (0.099 R)
• M3: 345,721 km (0.09 R)
• M4: 468,541 km (0.11 R)
• M5: 692,489 km (0.093 R)
• M6: 1,049,130 km (0.117 R)
• M7: 1,378,844 km (0.056 R)
• M8: 1,887,776 km (0.077 R)
• M9: 2,552,439 km (0.116 R)
• M10: 2,761,876 km (0.078 R)
• M11: 4,267,279 km (0.111 R)
• M12: 4,902,771 km (0.03 R)
• M13: 5,393,602 km (0.108 R)
• M14: 5,844,938 km (0.085 R)
• M15: 8,124,062 km (0.064 R)
• M16: 9,239,015 km (0.108 R)
• M17: 9,934,645 km (0.104 R)
• M18: 11,151,923 km (0.087 R)
• M19: 14,263,409 km (0.113 R)
• M20: 18,135,301 km (0.115 R)
• M21: 23,457,096 km (0.051 R)
• M22: 25,027,724 km (0.065 R)
• M23: 27,563,258 km (0.058 R)
• M24: 32,012,000 km (0.074 R)
• M25: 33,365,711 km (0.117 R)
• M26: 37,903,612 km (0.089 R)
• M27: 40,189,767 km (0.083 R)
• M28: 40,319,319 km (0.079 R)
• M29: 40,579,470 km (0.097 R)
• M30: 44,616,667 km (0.105 R)
• M31: 49,954,170 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.5

Radius: 7.7

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 11.48 AU - 13.53 AU

Year: 16738 Days

Day: 16.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 107,708,594 km

• M1: 111,450 km (0.08 R)
• M2: 423,212 km (0.103 R)
• M3: 1,455,288 km (0.098 R)
• M4: 2,316,822 km (0.103 R)
• M5: 3,945,793 km (0.092 R)
• M6: 4,786,683 km (0.109 R)
• M7: 5,510,886 km (0.097 R)
• M8: 6,995,496 km (0.039 R)
• M9: 8,422,061 km (0.098 R)
• M10: 12,752,470 km (0.056 R)
• M11: 20,775,853 km (0.098 R)
• M12: 23,482,677 km (0.086 R)
• M13: 23,887,638 km (0.103 R)
• M14: 26,307,234 km (0.082 R)
• M15: 40,595,327 km (0.095 R)
• M16: 47,808,188 km (0.086 R)
• M17: 52,314,974 km (0.094 R)
• M18: 56,190,157 km (0.112 R)
• M19: 61,969,422 km (0.047 R)
• M20: 67,519,054 km (0.035 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.2

Radius: 6.4

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 11.43 AU - 17.59 AU

Year: 20934 Days

Day: 17.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 107,708,594 km

• M1: 81,531 km (0.072 R)
• M2: 402,418 km (0.11 R)
• M3: 1,244,056 km (0.046 R)
• M4: 1,548,936 km (0.084 R)
• M5: 1,851,423 km (0.091 R)
• M6: 2,099,157 km (0.106 R)
• M7: 5,542,152 km (0.049 R)
• M8: 5,760,116 km (0.098 R)
• M9: 10,623,094 km (0.096 R)
• M10: 11,479,093 km (0.094 R)
• M11: 28,728,476 km (0.077 R)
• M12: 40,973,361 km (0.094 R)
• M13: 48,840,264 km (0.104 R)
• M14: 55,781,007 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.8

Radius: 7.4

Gravity: 14.22 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 17.16 AU - 21.02 AU

Year: 31591 Days

Day: 22.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 107,708,594 km

• M1: 92,601 km (0.097 R)
• M2: 374,892 km (0.085 R)
• M3: 1,367,474 km (0.041 R)
• M4: 1,598,453 km (0.115 R)
• M5: 2,883,050 km (0.108 R)
• M6: 3,115,525 km (0.078 R)
• M7: 3,820,580 km (0.073 R)
• M8: 4,472,827 km (0.12 R)
• M9: 5,632,061 km (0.082 R)
• M10: 6,475,793 km (0.091 R)
• M11: 6,979,489 km (0.102 R)
• M12: 8,353,246 km (0.114 R)
• M13: 8,708,092 km (0.111 R)
• M14: 10,842,704 km (0.096 R)
• M15: 11,408,334 km (0.072 R)
• M16: 12,675,577 km (0.048 R)
• M17: 13,303,439 km (0.082 R)
• M18: 17,132,098 km (0.086 R)
• M19: 19,917,161 km (0.118 R)
• M20: 26,239,766 km (0.098 R)
• M21: 28,171,074 km (0.061 R)
• M22: 29,238,904 km (0.037 R)
• M23: 29,646,259 km (0.076 R)
• M24: 37,481,148 km (0.075 R)
• M25: 43,700,829 km (0.077 R)
• M26: 56,022,308 km (0.082 R)
• M27: 58,135,378 km (0.099 R)
• M28: 60,740,475 km (0.065 R)
• M29: 62,744,489 km (0.067 R)
• M30: 63,195,825 km (0.076 R)
• M31: 65,949,025 km (0.099 R)
• M32: 68,781,211 km (0.084 R)
• M33: 69,020,867 km (0.028 R)
• M34: 71,939,821 km (0.099 R)
• M35: 83,891,793 km (0.058 R)
• M36: 92,651,496 km (0.117 R)
• M37: 98,310,784 km (0.103 R)
• M38: 101,070,117 km (0.113 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 14,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit