🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.55 AU - 0.89 AU

Year: 235 Days

Day: 21.8 Hours

Environment

Temp: 103 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.72 AU - 0.9 AU

Year: 281 Days

Day: 42.8 Hours

Environment

Temp: 20 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 64,949,497 km

• M1: 36,951 km (0.097 R)
• M2: 646,712 km (0.115 R)

Asteroid Belt

Center: 2.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 9.4

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.98 AU - 4.72 AU

Year: 3493 Days

Day: 10.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,949,497 km

• M1: 117,584 km (0.034 R)
• M2: 414,835 km (0.103 R)
• M3: 1,087,277 km (0.083 R)
• M4: 1,567,038 km (0.115 R)
• M5: 1,908,869 km (0.041 R)
• M6: 3,830,453 km (0.115 R)
• M7: 5,917,942 km (0.116 R)
• M8: 7,010,605 km (0.096 R)
• M9: 7,741,540 km (0.096 R)
• M10: 10,198,984 km (0.062 R)
• M11: 11,854,434 km (0.059 R)
• M12: 14,192,350 km (0.11 R)
• M13: 15,689,675 km (0.106 R)
• M14: 16,533,706 km (0.073 R)
• M15: 21,418,077 km (0.081 R)
• M16: 22,809,935 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.4

Radius: 13.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.5 AU - 6.42 AU

Year: 4912 Days

Day: 8.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,949,497 km

• M1: 164,558 km (0.067 R)
• M2: 950,096 km (0.067 R)
• M3: 1,430,455 km (0.086 R)
• M4: 2,330,286 km (0.055 R)
• M5: 3,000,185 km (0.114 R)
• M6: 3,453,467 km (0.095 R)
• M7: 4,279,845 km (0.103 R)
• M8: 4,753,323 km (0.101 R)
• M9: 5,289,482 km (0.057 R)
• M10: 5,986,308 km (0.1 R)
• M11: 7,043,367 km (0.118 R)
• M12: 7,563,519 km (0.038 R)
• M13: 8,759,255 km (0.076 R)
• M14: 9,320,396 km (0.048 R)
• M15: 10,382,391 km (0.104 R)
• M16: 13,052,713 km (0.075 R)
• M17: 13,946,710 km (0.116 R)
• M18: 16,151,783 km (0.117 R)
• M19: 17,872,158 km (0.093 R)
• M20: 19,711,763 km (0.119 R)
• M21: 20,959,110 km (0.115 R)
• M22: 22,852,870 km (0.114 R)
• M23: 23,610,733 km (0.062 R)
• M24: 24,151,230 km (0.072 R)
• M25: 24,937,516 km (0.104 R)
• M26: 25,985,300 km (0.064 R)
• M27: 27,996,494 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.5

Radius: 3.1

Gravity: 93.5 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 10.11 AU - 14.45 AU

Year: 16568 Days

Day: 18.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,949,497 km

• M1: 39,195 km (0.08 R)
• M2: 175,179 km (0.116 R)
• M3: 380,577 km (0.074 R)
• M4: 511,026 km (0.057 R)
• M5: 608,564 km (0.068 R)
• M6: 788,830 km (0.091 R)
• M7: 979,417 km (0.093 R)
• M8: 1,241,812 km (0.087 R)
• M9: 2,021,067 km (0.102 R)
• M10: 2,422,139 km (0.066 R)
• M11: 3,550,705 km (0.047 R)
• M12: 4,163,907 km (0.117 R)
• M13: 4,737,914 km (0.101 R)
• M14: 5,999,623 km (0.115 R)
• M15: 6,293,433 km (0.066 R)
• M16: 9,495,126 km (0.113 R)
• M17: 10,603,198 km (0.073 R)
• M18: 11,032,245 km (0.05 R)
• M19: 11,600,716 km (0.08 R)
• M20: 12,864,669 km (0.112 R)
• M21: 13,072,311 km (0.111 R)
• M22: 13,636,893 km (0.107 R)
• M23: 13,852,613 km (0.072 R)
• M24: 16,623,315 km (0.072 R)
• M25: 18,311,527 km (0.079 R)
• M26: 20,957,315 km (0.117 R)
• M27: 21,148,651 km (0.074 R)
• M28: 25,767,784 km (0.094 R)
• M29: 33,691,385 km (0.071 R)
• M30: 42,940,573 km (0.086 R)
• M31: 47,726,957 km (0.114 R)
• M32: 49,567,310 km (0.093 R)
• M33: 59,291,171 km (0.116 R)
• M34: 62,004,727 km (0.078 R)
• M35: 70,211,217 km (0.117 R)
• M36: 73,246,109 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.9

Radius: 4.4

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 16.35 AU - 17.23 AU

Year: 26488 Days

Day: 24.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,949,497 km

• M1: 54,753 km (0.108 R)
• M2: 296,353 km (0.099 R)
• M3: 472,280 km (0.027 R)
• M4: 681,867 km (0.069 R)
• M5: 2,121,896 km (0.034 R)
• M6: 2,303,059 km (0.11 R)
• M7: 2,560,667 km (0.091 R)
• M8: 4,115,288 km (0.066 R)
• M9: 4,270,570 km (0.102 R)
• M10: 4,828,421 km (0.085 R)
• M11: 6,495,689 km (0.114 R)
• M12: 7,142,251 km (0.075 R)
• M13: 7,783,428 km (0.072 R)
• M14: 8,166,548 km (0.11 R)
• M15: 9,391,605 km (0.116 R)
• M16: 13,315,108 km (0.11 R)
• M17: 13,587,077 km (0.03 R)
• M18: 15,371,780 km (0.118 R)
• M19: 15,746,522 km (0.109 R)
• M20: 16,986,838 km (0.113 R)
• M21: 20,913,184 km (0.102 R)
• M22: 23,379,604 km (0.118 R)
• M23: 31,928,973 km (0.115 R)
• M24: 32,293,992 km (0.115 R)
• M25: 43,529,091 km (0.062 R)
• M26: 46,267,779 km (0.083 R)
• M27: 47,205,459 km (0.092 R)
• M28: 50,752,424 km (0.071 R)
• M29: 51,582,692 km (0.088 R)
• M30: 51,749,793 km (0.077 R)
• M31: 51,917,193 km (0.116 R)
• M32: 53,611,987 km (0.081 R)
• M33: 56,399,594 km (0.113 R)
• M34: 60,946,322 km (0.049 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 14,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit