🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.39 AU - 1.59 AU

Year: 689 Days

Day: 33 Hours

Environment

Temp: -52 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,043,912 km

• M1: 595,100 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.44 AU - 1.58 AU

Year: 703 Days

Day: 33.7 Hours

Environment

Temp: -59 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.48 AU - 1.76 AU

Year: 781 Days

Day: 30.2 Hours

Environment

Temp: -55 °C

Axial Tilt: 66.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.32 AU - 3.74 AU

Year: 1998 Days

Day: 28.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.97 AU - 3.89 AU

Year: 2406 Days

Day: 25.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,043,912 km

• M1: 2,294,383 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680

Radius: 9.1

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.6 AU - 5.42 AU

Year: 4247 Days

Day: 13.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,043,912 km

• M1: 113,395 km (0.12 R)
• M2: 513,719 km (0.048 R)
• M3: 891,603 km (0.082 R)
• M4: 1,208,302 km (0.082 R)
• M5: 1,796,521 km (0.11 R)
• M6: 2,942,291 km (0.079 R)
• M7: 3,278,437 km (0.115 R)
• M8: 3,809,510 km (0.107 R)
• M9: 4,164,057 km (0.035 R)
• M10: 4,687,799 km (0.085 R)
• M11: 5,017,363 km (0.077 R)
• M12: 5,335,408 km (0.08 R)
• M13: 5,638,793 km (0.077 R)
• M14: 6,041,510 km (0.107 R)
• M15: 6,681,639 km (0.113 R)
• M16: 7,132,976 km (0.101 R)
• M17: 7,433,817 km (0.117 R)
• M18: 7,777,892 km (0.079 R)
• M19: 8,277,699 km (0.067 R)
• M20: 8,913,041 km (0.106 R)
• M21: 9,783,252 km (0.107 R)
• M22: 10,927,227 km (0.111 R)
• M23: 15,385,692 km (0.102 R)
• M24: 16,288,216 km (0.1 R)
• M25: 18,013,528 km (0.076 R)
• M26: 18,825,246 km (0.086 R)
• M27: 20,858,880 km (0.101 R)
• M28: 21,823,637 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.2

Radius: 13

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.74 AU - 10.92 AU

Year: 9938 Days

Day: 7.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,043,912 km

• M1: 163,062 km (0.108 R)
• M2: 1,034,469 km (0.079 R)
• M3: 1,633,010 km (0.113 R)
• M4: 2,071,781 km (0.11 R)
• M5: 3,214,709 km (0.039 R)
• M6: 3,937,865 km (0.069 R)
• M7: 5,195,983 km (0.113 R)
• M8: 6,839,016 km (0.119 R)
• M9: 7,963,394 km (0.079 R)
• M10: 8,492,522 km (0.051 R)
• M11: 9,045,136 km (0.1 R)
• M12: 10,222,621 km (0.094 R)
• M13: 12,829,364 km (0.082 R)
• M14: 13,294,763 km (0.074 R)
• M15: 14,814,827 km (0.044 R)
• M16: 17,308,324 km (0.115 R)
• M17: 17,813,217 km (0.088 R)
• M18: 19,051,887 km (0.074 R)
• M19: 19,522,373 km (0.097 R)
• M20: 20,556,991 km (0.087 R)
• M21: 23,725,325 km (0.101 R)
• M22: 30,007,687 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.2

Radius: 4.2

Gravity: 56.19 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 13.77 AU - 16.01 AU

Year: 21762 Days

Day: 22.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 91,043,912 km

• M1: 52,958 km (0.105 R)
• M2: 213,476 km (0.063 R)
• M3: 378,183 km (0.056 R)
• M4: 919,279 km (0.059 R)
• M5: 1,102,536 km (0.117 R)
• M6: 1,310,029 km (0.03 R)
• M7: 1,745,508 km (0.101 R)
• M8: 2,028,398 km (0.066 R)
• M9: 2,180,838 km (0.118 R)
• M10: 2,484,521 km (0.027 R)
• M11: 3,503,881 km (0.087 R)
• M12: 4,088,809 km (0.094 R)
• M13: 4,332,953 km (0.072 R)
• M14: 5,285,442 km (0.108 R)
• M15: 7,388,190 km (0.103 R)
• M16: 7,962,945 km (0.105 R)
• M17: 8,124,660 km (0.074 R)
• M18: 8,288,620 km (0.079 R)
• M19: 8,851,407 km (0.085 R)
• M20: 9,025,090 km (0.088 R)
• M21: 9,379,188 km (0.06 R)
• M22: 10,052,379 km (0.099 R)
• M23: 10,888,930 km (0.089 R)
• M24: 11,770,809 km (0.081 R)
• M25: 14,620,200 km (0.1 R)
• M26: 26,570,377 km (0.088 R)
• M27: 30,466,654 km (0.096 R)
• M28: 31,665,381 km (0.108 R)
• M29: 32,619,217 km (0.092 R)
• M30: 35,595,168 km (0.108 R)
• M31: 35,741,325 km (0.101 R)
• M32: 37,980,506 km (0.103 R)
• M33: 41,109,345 km (0.046 R)
• M34: 45,771,862 km (0.037 R)
• M35: 46,465,547 km (0.077 R)
• M36: 50,038,842 km (0.096 R)
• M37: 56,924,383 km (0.085 R)
• M38: 59,970,495 km (0.062 R)
• M39: 64,631,965 km (0.095 R)
• M40: 69,757,338 km (0.105 R)
• M41: 84,908,759 km (0.075 R)
• M42: 87,807,368 km (0.119 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: 204 - 10,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit