🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.43 AU - 0.59 AU

Year: 235 Days

Day: 17.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,233,613 km

• M1: 54,902 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.1

Radius: 11.5

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.57 AU - 0.87 AU

Year: 394 Days

Day: 12 Hours

Environment

Temp: -146 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,233,613 km

• M1: 143,016 km (0.096 R)
• M2: 521,498 km (0.102 R)
• M3: 1,241,962 km (0.092 R)
• M4: 1,954,795 km (0.067 R)
• M5: 2,440,988 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.4

Radius: 8

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.64 AU - 2.42 AU

Year: 1867 Days

Day: 6 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,233,613 km

• M1: 99,632 km (0.096 R)
• M2: 436,227 km (0.082 R)
• M3: 891,155 km (0.095 R)
• M4: 1,282,503 km (0.062 R)
• M5: 1,929,962 km (0.112 R)
• M6: 2,360,355 km (0.106 R)
• M7: 2,868,390 km (0.114 R)
• M8: 3,213,362 km (0.071 R)
• M9: 3,464,387 km (0.099 R)
• M10: 4,198,913 km (0.11 R)
• M11: 4,624,070 km (0.119 R)
• M12: 4,923,266 km (0.078 R)
• M13: 5,235,327 km (0.119 R)
• M14: 5,584,339 km (0.036 R)
• M15: 6,888,533 km (0.051 R)
• M16: 8,106,110 km (0.112 R)
• M17: 9,125,769 km (0.036 R)
• M18: 11,036,433 km (0.1 R)
• M19: 11,379,012 km (0.112 R)
• M20: 11,965,735 km (0.04 R)
• M21: 14,380,395 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.9

Radius: 10.1

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.28 AU - 4.86 AU

Year: 6308 Days

Day: 10.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,233,613 km

• M1: 125,662 km (0.108 R)
• M2: 576,251 km (0.082 R)
• M3: 1,141,133 km (0.08 R)
• M4: 1,880,445 km (0.101 R)
• M5: 2,383,094 km (0.099 R)
• M6: 3,951,029 km (0.057 R)
• M7: 4,555,405 km (0.087 R)
• M8: 4,923,565 km (0.09 R)
• M9: 5,752,188 km (0.104 R)
• M10: 6,354,618 km (0.094 R)
• M11: 6,743,124 km (0.103 R)
• M12: 7,072,688 km (0.047 R)
• M13: 8,167,745 km (0.101 R)
• M14: 9,060,545 km (0.048 R)
• M15: 10,398,698 km (0.078 R)
• M16: 12,896,084 km (0.119 R)
• M17: 13,869,219 km (0.114 R)
• M18: 14,464,169 km (0.059 R)
• M19: 15,013,941 km (0.081 R)
• M20: 16,351,346 km (0.091 R)
• M21: 17,628,164 km (0.11 R)
• M22: 18,255,727 km (0.075 R)
• M23: 18,610,723 km (0.068 R)
• M24: 20,152,329 km (0.089 R)
• M25: 21,070,710 km (0.08 R)
• M26: 24,248,169 km (0.076 R)
• M27: 27,360,104 km (0.064 R)
• M28: 27,919,002 km (0.091 R)
• M29: 32,047,305 km (0.072 R)
• M30: 35,453,349 km (0.075 R)
• M31: 37,815,200 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.2

Radius: 3.9

Gravity: 61.16 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.15 AU - 7.75 AU

Year: 11830 Days

Day: 16.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 69,233,613 km

• M1: 48,470 km (0.067 R)
• M2: 172,935 km (0.118 R)
• M3: 329,863 km (0.091 R)
• M4: 502,050 km (0.116 R)
• M5: 1,731,745 km (0.102 R)
• M6: 2,029,146 km (0.062 R)
• M7: 2,839,517 km (0.074 R)
• M8: 4,107,359 km (0.091 R)
• M9: 4,798,202 km (0.061 R)
• M10: 5,418,435 km (0.116 R)
• M11: 5,673,649 km (0.093 R)
• M12: 5,974,939 km (0.11 R)
• M13: 7,508,616 km (0.114 R)
• M14: 9,494,229 km (0.099 R)
• M15: 11,326,653 km (0.074 R)
• M16: 14,324,445 km (0.118 R)
• M17: 14,601,650 km (0.056 R)
• M18: 15,024,114 km (0.071 R)
• M19: 15,166,831 km (0.106 R)
• M20: 18,212,643 km (0.088 R)
• M21: 19,537,183 km (0.036 R)
• M22: 21,191,885 km (0.082 R)
• M23: 23,221,778 km (0.081 R)
• M24: 25,176,274 km (0.101 R)
• M25: 26,193,540 km (0.12 R)
• M26: 27,132,117 km (0.089 R)
• M27: 27,877,563 km (0.071 R)
• M28: 29,520,597 km (0.115 R)
• M29: 31,343,147 km (0.084 R)
• M30: 31,927,626 km (0.117 R)
• M31: 35,715,145 km (0.054 R)
• M32: 39,384,033 km (0.045 R)
• M33: 43,875,410 km (0.042 R)
• M34: 44,166,976 km (0.053 R)
• M35: 45,494,807 km (0.061 R)
• M36: 49,165,490 km (0.098 R)
• M37: 50,912,045 km (0.097 R)
• M38: 52,699,440 km (0.04 R)
• M39: 54,528,125 km (0.091 R)
• M40: 55,713,688 km (0.11 R)
• M41: 56,398,696 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.1

Radius: 7.8

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.61 AU - 10.73 AU

Year: 17930 Days

Day: 24.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,233,613 km

• M1: 98,735 km (0.115 R)
• M2: 436,676 km (0.084 R)
• M3: 1,126,173 km (0.11 R)
• M4: 1,783,207 km (0.102 R)
• M5: 3,599,026 km (0.054 R)
• M6: 6,066,942 km (0.112 R)
• M7: 6,870,432 km (0.05 R)
• M8: 9,595,507 km (0.104 R)
• M9: 13,240,459 km (0.114 R)
• M10: 20,797,844 km (0.079 R)
• M11: 23,608,190 km (0.085 R)
• M12: 27,548,747 km (0.104 R)
• M13: 28,915,473 km (0.105 R)
• M14: 32,279,032 km (0.113 R)
• M15: 38,356,296 km (0.109 R)
• M16: 42,107,612 km (0.094 R)
• M17: 44,843,159 km (0.118 R)
• M18: 53,059,822 km (0.077 R)
• M19: 57,520,830 km (0.111 R)
• M20: 60,503,213 km (0.09 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 18,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit