🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.11 AU - 1.25 AU

Year: 471 Days

Day: 43.1 Hours

Environment

Temp: -3 °C

Axial Tilt: 24.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 86,391,538 km

• M1: 252,820 km (0.108 R)
• M2: 421,118 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.31 AU - 2.18 AU

Year: 843 Days

Day: 19.6 Hours

Environment

Temp: -45 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.35 AU - 3.15 AU

Year: 1674 Days

Day: 33.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.67 AU - 3.69 AU

Year: 2082 Days

Day: 21.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298

Radius: 11.3

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.48 AU - 6.28 AU

Year: 4581 Days

Day: 8.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,391,538 km

• M1: 140,472 km (0.099 R)
• M2: 491,878 km (0.099 R)
• M3: 975,827 km (0.076 R)
• M4: 1,650,962 km (0.07 R)
• M5: 2,133,714 km (0.106 R)
• M6: 2,497,088 km (0.066 R)
• M7: 3,278,886 km (0.071 R)
• M8: 5,400,633 km (0.104 R)
• M9: 6,647,531 km (0.104 R)
• M10: 7,495,153 km (0.113 R)
• M11: 8,011,116 km (0.117 R)
• M12: 8,724,099 km (0.108 R)
• M13: 9,150,303 km (0.109 R)
• M14: 9,590,271 km (0.074 R)
• M15: 11,077,872 km (0.116 R)
• M16: 11,748,070 km (0.112 R)
• M17: 12,804,082 km (0.083 R)
• M18: 13,874,305 km (0.066 R)
• M19: 14,603,894 km (0.04 R)
• M20: 18,235,831 km (0.072 R)
• M21: 19,529,254 km (0.119 R)
• M22: 20,198,405 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.4

Radius: 13.6

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.38 AU - 7.32 AU

Year: 5874 Days

Day: 10.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,391,538 km

• M1: 169,195 km (0.083 R)
• M2: 628,311 km (0.064 R)
• M3: 3,241,187 km (0.044 R)
• M4: 3,773,606 km (0.091 R)
• M5: 6,319,612 km (0.098 R)
• M6: 7,235,750 km (0.106 R)
• M7: 8,065,120 km (0.108 R)
• M8: 9,652,204 km (0.111 R)
• M9: 10,247,604 km (0.087 R)
• M10: 12,996,165 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.5

Radius: 14

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.73 AU - 7.21 AU

Year: 6041 Days

Day: 13.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,391,538 km

• M1: 174,282 km (0.109 R)
• M2: 701,464 km (0.083 R)
• M3: 1,192,744 km (0.119 R)
• M4: 2,110,527 km (0.087 R)
• M5: 2,933,465 km (0.112 R)
• M6: 3,581,074 km (0.118 R)
• M7: 4,855,947 km (0.105 R)
• M8: 5,297,859 km (0.114 R)
• M9: 7,243,080 km (0.054 R)
• M10: 8,469,483 km (0.08 R)
• M11: 9,789,236 km (0.091 R)
• M12: 10,541,414 km (0.113 R)
• M13: 11,787,863 km (0.11 R)
• M14: 12,494,863 km (0.032 R)
• M15: 13,380,333 km (0.102 R)
• M16: 13,890,312 km (0.116 R)
• M17: 15,665,590 km (0.081 R)
• M18: 16,989,381 km (0.068 R)
• M19: 19,145,386 km (0.102 R)
• M20: 21,339,987 km (0.066 R)
• M21: 25,208,288 km (0.075 R)
• M22: 27,267,054 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.8

Radius: 4.6

Gravity: 35.06 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 12.28 AU - 19.5 AU

Year: 23252 Days

Day: 19.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,391,538 km

• M1: 64,626 km (0.064 R)
• M2: 221,854 km (0.082 R)
• M3: 544,087 km (0.115 R)
• M4: 779,405 km (0.042 R)
• M5: 1,135,298 km (0.056 R)
• M6: 1,280,707 km (0.117 R)
• M7: 1,522,757 km (0.104 R)
• M8: 1,813,874 km (0.098 R)
• M9: 1,993,392 km (0.056 R)
• M10: 2,319,066 km (0.047 R)
• M11: 2,886,192 km (0.092 R)
• M12: 4,255,461 km (0.07 R)
• M13: 5,297,560 km (0.038 R)
• M14: 6,499,279 km (0.091 R)
• M15: 7,461,792 km (0.072 R)
• M16: 7,977,007 km (0.07 R)
• M17: 11,577,080 km (0.11 R)
• M18: 12,550,065 km (0.065 R)
• M19: 14,187,264 km (0.093 R)
• M20: 16,728,483 km (0.101 R)
• M21: 22,372,511 km (0.073 R)
• M22: 24,429,482 km (0.081 R)
• M23: 28,666,094 km (0.052 R)
• M24: 33,504,837 km (0.117 R)
• M25: 36,625,448 km (0.11 R)
• M26: 36,918,361 km (0.112 R)
• M27: 37,955,972 km (0.115 R)
• M28: 42,300,892 km (0.107 R)
• M29: 42,947,454 km (0.056 R)
• M30: 44,592,732 km (0.062 R)
• M31: 54,397,975 km (0.071 R)
• M32: 56,908,676 km (0.091 R)
• M33: 58,891,595 km (0.094 R)
• M34: 64,049,730 km (0.087 R)
• M35: 68,165,467 km (0.117 R)
• M36: 75,963,854 km (0.092 R)
• M37: 82,816,035 km (0.118 R)
• M38: 86,391,574 km (0.097 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: 449 - 11,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit