🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.49 AU - 0.65 AU

Year: 156 Days

Day: 27.2 Hours

Environment

Temp: 169 °C

Axial Tilt: 25.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,086,030 km

• M1: 65,823 km (0.052 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.77 AU - 3.53 AU

Year: 2032 Days

Day: 21.1 Hours

Environment

Temp: -106 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.08 AU - 4.82 AU

Year: 3412 Days

Day: 45.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.5

Radius: 14.6

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.11 AU - 5.29 AU

Year: 4310 Days

Day: 5.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,086,030 km

• M1: 182,360 km (0.072 R)
• M2: 1,161,627 km (0.1 R)
• M3: 1,700,778 km (0.111 R)
• M4: 2,995,398 km (0.088 R)
• M5: 4,187,992 km (0.115 R)
• M6: 5,892,062 km (0.113 R)
• M7: 7,814,544 km (0.102 R)
• M8: 11,784,423 km (0.082 R)
• M9: 12,295,748 km (0.045 R)
• M10: 13,069,618 km (0.08 R)
• M11: 15,917,662 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.6

Radius: 6.3

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 13.09 AU - 15.75 AU

Year: 19901 Days

Day: 20 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,086,030 km

• M1: 117,135 km (0.045 R)
• M2: 667,207 km (0.099 R)
• M3: 1,277,566 km (0.12 R)
• M4: 1,579,754 km (0.087 R)
• M5: 1,982,770 km (0.1 R)
• M6: 2,248,157 km (0.079 R)
• M7: 4,401,768 km (0.069 R)
• M8: 6,086,689 km (0.108 R)
• M9: 8,160,564 km (0.03 R)
• M10: 10,438,191 km (0.05 R)
• M11: 10,951,312 km (0.07 R)
• M12: 12,213,918 km (0.097 R)
• M13: 14,459,382 km (0.088 R)
• M14: 16,050,505 km (0.066 R)
• M15: 16,810,911 km (0.063 R)
• M16: 17,043,685 km (0.057 R)
• M17: 26,404,623 km (0.093 R)
• M18: 28,659,960 km (0.099 R)
• M19: 30,577,356 km (0.09 R)
• M20: 32,338,721 km (0.089 R)
• M21: 32,940,554 km (0.118 R)
• M22: 34,166,658 km (0.078 R)
• M23: 39,512,538 km (0.102 R)
• M24: 40,616,719 km (0.087 R)
• M25: 42,598,442 km (0.084 R)
• M26: 43,467,157 km (0.029 R)
• M27: 44,200,187 km (0.094 R)
• M28: 47,523,055 km (0.105 R)
• M29: 49,881,764 km (0.102 R)
• M30: 57,952,420 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.4

Radius: 4.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 11.07 AU - 17.77 AU

Year: 19901 Days

Day: 19.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,086,030 km

• M1: 89,609 km (0.082 R)
• M2: 344,225 km (0.1 R)
• M3: 851,212 km (0.047 R)
• M4: 1,363,884 km (0.056 R)
• M5: 2,782,072 km (0.099 R)
• M6: 3,573,295 km (0.115 R)
• M7: 3,928,440 km (0.114 R)
• M8: 4,813,012 km (0.101 R)
• M9: 6,188,864 km (0.108 R)
• M10: 7,844,015 km (0.12 R)
• M11: 8,442,705 km (0.109 R)
• M12: 9,772,930 km (0.058 R)
• M13: 12,438,913 km (0.074 R)
• M14: 16,375,432 km (0.073 R)
• M15: 26,255,623 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.4

Radius: 3.9

Gravity: 65.05 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 11.24 AU - 17.7 AU

Year: 20005 Days

Day: 21.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,086,030 km

• M1: 48,470 km (0.041 R)
• M2: 189,690 km (0.091 R)
• M3: 394,041 km (0.096 R)
• M4: 566,826 km (0.046 R)
• M5: 767,736 km (0.056 R)
• M6: 1,474,137 km (0.039 R)
• M7: 2,167,075 km (0.085 R)
• M8: 2,369,780 km (0.095 R)
• M9: 2,761,427 km (0.083 R)
• M10: 3,194,663 km (0.065 R)
• M11: 3,640,614 km (0.101 R)
• M12: 4,510,226 km (0.094 R)
• M13: 4,655,187 km (0.064 R)
• M14: 5,306,984 km (0.092 R)
• M15: 5,592,268 km (0.111 R)
• M16: 6,017,425 km (0.087 R)
• M17: 8,974,675 km (0.052 R)
• M18: 9,320,845 km (0.113 R)
• M19: 9,735,979 km (0.06 R)
• M20: 16,054,395 km (0.059 R)
• M21: 18,158,638 km (0.113 R)
• M22: 23,011,444 km (0.109 R)
• M23: 23,333,827 km (0.12 R)
• M24: 27,441,037 km (0.054 R)
• M25: 31,871,677 km (0.114 R)
• M26: 34,465,554 km (0.082 R)
• M27: 37,789,320 km (0.08 R)
• M28: 37,938,469 km (0.101 R)
• M29: 38,088,067 km (0.091 R)
• M30: 38,841,741 km (0.107 R)
• M31: 42,760,158 km (0.095 R)
• M32: 55,499,763 km (0.062 R)
• M33: 58,837,740 km (0.114 R)
• M34: 62,723,994 km (0.096 R)
• M35: 65,910,279 km (0.111 R)
• M36: 66,777,946 km (0.109 R)
• M37: 74,227,621 km (0.116 R)
• M38: 76,589,771 km (0.113 R)
• M39: 83,722,748 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.9

Radius: 3.1

Gravity: 41.82 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 12.49 AU - 17.53 AU

Year: 21135 Days

Day: 20.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,086,030 km

• M1: 39,643 km (0.1 R)
• M2: 136,433 km (0.095 R)
• M3: 248,332 km (0.12 R)
• M4: 411,095 km (0.055 R)
• M5: 831,764 km (0.09 R)
• M6: 929,003 km (0.106 R)
• M7: 1,786,348 km (0.045 R)
• M8: 2,566,351 km (0.052 R)
• M9: 3,662,754 km (0.075 R)
• M10: 6,551,639 km (0.091 R)
• M11: 6,765,265 km (0.096 R)
• M12: 7,251,906 km (0.114 R)
• M13: 7,667,190 km (0.102 R)
• M14: 8,544,582 km (0.108 R)
• M15: 10,438,640 km (0.091 R)
• M16: 11,452,166 km (0.074 R)
• M17: 13,261,402 km (0.099 R)
• M18: 16,790,566 km (0.091 R)
• M19: 20,897,775 km (0.092 R)
• M20: 22,499,221 km (0.058 R)
• M21: 25,626,714 km (0.117 R)
• M22: 29,607,812 km (0.097 R)
• M23: 32,232,956 km (0.094 R)
• M24: 35,924,732 km (0.119 R)
• M25: 36,189,221 km (0.112 R)
• M26: 37,940,264 km (0.11 R)
• M27: 38,214,626 km (0.073 R)
• M28: 39,747,107 km (0.082 R)
• M29: 41,175,318 km (0.101 R)
• M30: 45,664,600 km (0.082 R)
• M31: 45,975,016 km (0.096 R)
• M32: 46,757,114 km (0.045 R)
• M33: 51,134,198 km (0.07 R)
• M34: 52,651,868 km (0.098 R)
• M35: 64,124,379 km (0.032 R)

Kuiper Belt

Range: 30.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 15,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit