🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.66 AU - 0.68 AU

Year: 354 Days

Day: 20.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860

Radius: 13

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.74 AU - 0.76 AU

Year: 419 Days

Day: 6.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,087,387 km

• M1: 161,715 km (0.11 R)
• M2: 655,239 km (0.101 R)
• M3: 1,223,711 km (0.059 R)
• M4: 1,878,052 km (0.053 R)
• M5: 2,507,560 km (0.102 R)
• M6: 3,002,878 km (0.08 R)
• M7: 3,465,285 km (0.094 R)
• M8: 3,882,514 km (0.11 R)
• M9: 5,244,004 km (0.12 R)
• M10: 5,954,594 km (0.046 R)

Asteroid Belt

Center: 1.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.4

Radius: 10.5

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.79 AU - 2.71 AU

Year: 2179 Days

Day: 12.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,087,387 km

• M1: 130,599 km (0.073 R)
• M2: 509,680 km (0.104 R)
• M3: 852,259 km (0.085 R)
• M4: 1,203,216 km (0.108 R)
• M5: 1,901,090 km (0.118 R)
• M6: 2,517,433 km (0.115 R)
• M7: 3,020,082 km (0.049 R)
• M8: 3,448,680 km (0.111 R)
• M9: 3,787,369 km (0.068 R)
• M10: 4,722,506 km (0.09 R)
• M11: 6,286,551 km (0.053 R)
• M12: 6,712,756 km (0.096 R)
• M13: 7,417,511 km (0.075 R)
• M14: 8,201,853 km (0.071 R)
• M15: 8,582,131 km (0.091 R)
• M16: 8,974,227 km (0.06 R)
• M17: 9,515,472 km (0.067 R)
• M18: 10,186,418 km (0.106 R)
• M19: 10,626,236 km (0.117 R)
• M20: 11,193,810 km (0.051 R)
• M21: 12,680,364 km (0.077 R)
• M22: 13,061,091 km (0.083 R)
• M23: 13,449,447 km (0.064 R)
• M24: 14,113,811 km (0.115 R)
• M25: 14,846,392 km (0.078 R)
• M26: 17,043,087 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.4

Radius: 5.1

Gravity: 21.35 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 9.06 AU - 11.26 AU

Year: 20910 Days

Day: 22 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,087,387 km

• M1: 63,429 km (0.116 R)
• M2: 276,906 km (0.079 R)
• M3: 461,509 km (0.096 R)
• M4: 917,633 km (0.062 R)
• M5: 1,232,088 km (0.075 R)
• M6: 1,736,083 km (0.114 R)
• M7: 2,433,957 km (0.115 R)
• M8: 2,933,614 km (0.096 R)
• M9: 4,632,597 km (0.075 R)
• M10: 5,708,804 km (0.043 R)
• M11: 6,241,522 km (0.063 R)
• M12: 6,412,064 km (0.053 R)
• M13: 7,548,559 km (0.064 R)
• M14: 9,356,748 km (0.098 R)
• M15: 10,751,449 km (0.089 R)
• M16: 12,345,863 km (0.106 R)
• M17: 12,614,691 km (0.092 R)
• M18: 15,601,113 km (0.076 R)
• M19: 16,074,441 km (0.11 R)
• M20: 17,720,915 km (0.107 R)
• M21: 18,938,342 km (0.069 R)
• M22: 21,248,882 km (0.116 R)
• M23: 22,521,660 km (0.074 R)
• M24: 24,577,733 km (0.115 R)
• M25: 28,354,332 km (0.117 R)
• M26: 29,415,280 km (0.116 R)
• M27: 30,993,836 km (0.05 R)
• M28: 32,119,261 km (0.081 R)
• M29: 32,372,979 km (0.1 R)
• M30: 32,756,099 km (0.107 R)
• M31: 33,013,109 km (0.09 R)
• M32: 36,755,000 km (0.106 R)
• M33: 44,122,546 km (0.079 R)
• M34: 44,751,156 km (0.064 R)
• M35: 53,475,554 km (0.099 R)
• M36: 54,190,033 km (0.11 R)
• M37: 66,504,481 km (0.082 R)
• M38: 67,123,517 km (0.117 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: 477 - 18,774 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit