🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.54 AU - 0.6 AU

Year: 183 Days

Day: 43.5 Hours

Environment

Temp: 50 °C

Axial Tilt: 9.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.83 AU - 0.97 AU

Year: 363 Days

Day: 37.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.3

Radius: 13.3

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.25 AU - 5.31 AU

Year: 3760 Days

Day: 5.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 15,063,131 km

• M1: 166,203 km (0.069 R)
• M2: 281,244 km (0.1 R)
• M3: 370,105 km (0.093 R)
• M4: 465,249 km (0.071 R)
• M5: 551,567 km (0.086 R)
• M6: 802,593 km (0.116 R)
• M7: 1,146,518 km (0.11 R)
• M8: 1,328,878 km (0.12 R)
• M9: 1,431,352 km (0.119 R)
• M10: 1,644,529 km (0.099 R)
• M11: 1,755,232 km (0.074 R)
• M12: 2,068,939 km (0.063 R)
• M13: 2,171,712 km (0.112 R)
• M14: 2,490,954 km (0.046 R)
• M15: 3,395,273 km (0.025 R)
• M16: 3,497,149 km (0.089 R)
• M17: 4,393,390 km (0.029 R)
• M18: 4,594,450 km (0.108 R)
• M19: 5,005,994 km (0.067 R)
• M20: 6,161,188 km (0.115 R)
• M21: 6,386,782 km (0.082 R)
• M22: 6,487,910 km (0.065 R)
• M23: 7,106,198 km (0.112 R)
• M24: 7,448,927 km (0.053 R)
• M25: 7,662,702 km (0.036 R)
• M26: 8,930,544 km (0.082 R)
• M27: 9,358,095 km (0.092 R)
• M28: 9,502,158 km (0.105 R)
• M29: 9,617,946 km (0.107 R)
• M30: 9,850,721 km (0.088 R)
• M31: 10,650,620 km (0.08 R)
• M32: 11,073,683 km (0.099 R)
• M33: 11,226,123 km (0.119 R)
• M34: 11,317,827 km (0.079 R)
• M35: 11,409,979 km (0.037 R)
• M36: 11,502,131 km (0.098 R)
• M37: 11,656,516 km (0.064 R)
• M38: 11,967,381 km (0.082 R)
• M39: 13,109,112 km (0.075 R)
• M40: 13,367,467 km (0.111 R)
• M41: 13,497,318 km (0.09 R)
• M42: 13,692,992 km (0.104 R)
• M43: 13,988,149 km (0.117 R)
• M44: 14,153,006 km (0.091 R)
• M45: 14,684,976 km (0.107 R)
• M46: 14,819,015 km (0.118 R)
• M47: 14,919,844 km (0.084 R)
• M48: 15,122,101 km (0.11 R)
• M49: 15,325,255 km (0.032 R)
• M50: 15,461,239 km (0.091 R)
• M51: 15,734,255 km (0.099 R)
• M52: 16,320,081 km (0.105 R)
• M53: 16,458,907 km (0.075 R)
• M54: 16,598,183 km (0.116 R)
• M55: 17,053,559 km (0.116 R)
• M56: 17,406,610 km (0.118 R)
• M57: 17,655,092 km (0.067 R)
• M58: 18,299,709 km (0.099 R)
• M59: 19,134,764 km (0.066 R)
• M60: 19,649,082 km (0.108 R)
• M61: 19,833,835 km (0.084 R)
• M62: 21,370,953 km (0.091 R)
• M63: 22,057,757 km (0.106 R)
• M64: 22,790,637 km (0.083 R)
• M65: 23,374,966 km (0.045 R)
• M66: 24,043,071 km (0.072 R)
• M67: 24,877,228 km (0.112 R)
• M68: 25,077,241 km (0.088 R)
• M69: 25,478,761 km (0.073 R)
• M70: 25,680,270 km (0.057 R)
• M71: 25,963,458 km (0.06 R)
• M72: 26,085,082 km (0.101 R)
• M73: 26,941,978 km (0.098 R)
• M74: 27,808,150 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.3

Radius: 8.2

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.07 AU - 6.43 AU

Year: 6634 Days

Day: 5.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 15,063,131 km

• M1: 104,419 km (0.098 R)
• M2: 161,117 km (0.1 R)
• M3: 259,253 km (0.091 R)
• M4: 344,225 km (0.08 R)
• M5: 647,759 km (0.118 R)
• M6: 1,006,195 km (0.065 R)
• M7: 1,095,655 km (0.099 R)
• M8: 1,752,240 km (0.094 R)
• M9: 1,883,138 km (0.1 R)
• M10: 1,938,489 km (0.102 R)
• M11: 2,119,802 km (0.064 R)
• M12: 2,212,702 km (0.114 R)
• M13: 2,499,182 km (0.113 R)
• M14: 3,068,103 km (0.055 R)
• M15: 3,306,711 km (0.057 R)
• M16: 3,387,644 km (0.106 R)
• M17: 3,441,948 km (0.112 R)
• M18: 3,802,030 km (0.041 R)
• M19: 3,886,852 km (0.048 R)
• M20: 4,876,591 km (0.078 R)
• M21: 5,061,794 km (0.088 R)
• M22: 5,907,321 km (0.082 R)
• M23: 6,204,422 km (0.035 R)
• M24: 6,422,087 km (0.102 R)
• M25: 6,882,250 km (0.101 R)
• M26: 6,985,921 km (0.113 R)
• M27: 7,194,760 km (0.119 R)
• M28: 7,370,537 km (0.112 R)
• M29: 7,654,624 km (0.117 R)
• M30: 7,833,992 km (0.11 R)
• M31: 8,509,875 km (0.107 R)
• M32: 8,714,375 km (0.081 R)
• M33: 9,223,307 km (0.115 R)
• M34: 9,299,602 km (0.117 R)
• M35: 9,471,789 km (0.086 R)
• M36: 10,927,975 km (0.097 R)
• M37: 11,435,560 km (0.109 R)
• M38: 12,075,540 km (0.107 R)
• M39: 12,600,329 km (0.106 R)
• M40: 12,748,581 km (0.096 R)
• M41: 12,876,038 km (0.101 R)
• M42: 13,433,590 km (0.045 R)
• M43: 13,650,058 km (0.093 R)
• M44: 13,889,564 km (0.097 R)
• M45: 14,284,652 km (0.099 R)
• M46: 14,951,110 km (0.032 R)
• M47: 15,063,159 km (0.075 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 20,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit