🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.4 AU - 0.64 AU

Year: 139 Days

Day: 17.5 Hours

Environment

Temp: 242 °C

Axial Tilt: 20.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.94 AU - 1.44 AU

Year: 481 Days

Day: 35.8 Hours

Environment

Temp: -13 °C

Axial Tilt: 1.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.79 AU - 2.93 AU

Year: 1794 Days

Day: 41.3 Hours

Environment

Temp: -93 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,488,687 km

• M1: 52,060 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 10.2

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.64 AU - 5.66 AU

Year: 4981 Days

Day: 9.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,488,687 km

• M1: 128,355 km (0.052 R)
• M2: 490,531 km (0.113 R)
• M3: 848,370 km (0.06 R)
• M4: 1,408,314 km (0.091 R)
• M5: 1,819,260 km (0.05 R)
• M6: 2,309,791 km (0.095 R)
• M7: 3,818,336 km (0.101 R)
• M8: 5,072,565 km (0.047 R)
• M9: 5,691,301 km (0.112 R)
• M10: 6,265,458 km (0.095 R)
• M11: 7,494,255 km (0.117 R)
• M12: 8,487,585 km (0.082 R)
• M13: 9,036,160 km (0.11 R)
• M14: 10,378,801 km (0.107 R)
• M15: 11,190,220 km (0.066 R)
• M16: 13,560,598 km (0.091 R)
• M17: 14,420,188 km (0.1 R)
• M18: 17,217,069 km (0.056 R)
• M19: 23,706,027 km (0.05 R)
• M20: 24,246,075 km (0.086 R)
• M21: 25,031,613 km (0.084 R)
• M22: 26,323,690 km (0.092 R)
• M23: 29,392,690 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908

Radius: 9.1

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.48 AU - 7.66 AU

Year: 6245 Days

Day: 11.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,488,687 km

• M1: 113,246 km (0.083 R)
• M2: 458,368 km (0.096 R)
• M3: 902,225 km (0.047 R)
• M4: 1,479,074 km (0.032 R)
• M5: 1,814,772 km (0.114 R)
• M6: 2,302,162 km (0.06 R)
• M7: 3,057,780 km (0.117 R)
• M8: 3,994,712 km (0.08 R)
• M9: 4,516,360 km (0.102 R)
• M10: 5,141,679 km (0.078 R)
• M11: 5,791,532 km (0.085 R)
• M12: 6,086,240 km (0.087 R)
• M13: 8,398,424 km (0.106 R)
• M14: 9,388,314 km (0.059 R)
• M15: 10,027,695 km (0.094 R)
• M16: 10,892,221 km (0.113 R)
• M17: 11,291,946 km (0.087 R)
• M18: 12,496,209 km (0.069 R)
• M19: 15,719,744 km (0.114 R)
• M20: 16,686,894 km (0.113 R)
• M21: 17,285,884 km (0.041 R)
• M22: 21,730,138 km (0.103 R)
• M23: 25,546,529 km (0.113 R)
• M24: 26,252,930 km (0.119 R)
• M25: 32,381,058 km (0.069 R)
• M26: 34,582,689 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.7

Radius: 8.3

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 11.88 AU - 12.3 AU

Year: 15590 Days

Day: 5.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,488,687 km

• M1: 119,230 km (0.094 R)
• M2: 456,274 km (0.111 R)
• M3: 785,538 km (0.05 R)
• M4: 1,315,713 km (0.099 R)
• M5: 1,807,441 km (0.116 R)
• M6: 2,289,147 km (0.109 R)
• M7: 2,757,687 km (0.069 R)
• M8: 3,424,894 km (0.087 R)
• M9: 3,856,334 km (0.095 R)
• M10: 4,132,342 km (0.118 R)
• M11: 7,065,657 km (0.085 R)
• M12: 9,579,649 km (0.081 R)
• M13: 10,854,373 km (0.061 R)
• M14: 11,282,821 km (0.049 R)
• M15: 13,455,880 km (0.111 R)
• M16: 14,093,915 km (0.119 R)
• M17: 19,049,045 km (0.113 R)
• M18: 20,217,853 km (0.101 R)
• M19: 22,499,969 km (0.059 R)
• M20: 26,456,234 km (0.105 R)
• M21: 30,974,688 km (0.094 R)
• M22: 33,095,986 km (0.045 R)
• M23: 37,210,077 km (0.099 R)
• M24: 37,764,486 km (0.105 R)
• M25: 39,174,895 km (0.08 R)
• M26: 48,877,364 km (0.106 R)
• M27: 55,261,603 km (0.05 R)
• M28: 55,621,685 km (0.088 R)
• M29: 67,372,747 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.7

Radius: 7.8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 12.4 AU - 14.3 AU

Year: 18089 Days

Day: 20.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,488,687 km

• M1: 97,538 km (0.11 R)
• M2: 413,489 km (0.078 R)
• M3: 957,426 km (0.119 R)
• M4: 1,339,350 km (0.084 R)
• M5: 1,697,637 km (0.054 R)
• M6: 2,154,060 km (0.119 R)
• M7: 2,548,250 km (0.106 R)
• M8: 4,361,376 km (0.11 R)
• M9: 4,868,962 km (0.078 R)
• M10: 6,901,249 km (0.075 R)
• M11: 7,930,632 km (0.1 R)
• M12: 8,459,460 km (0.079 R)
• M13: 8,871,453 km (0.088 R)
• M14: 9,985,209 km (0.116 R)
• M15: 10,654,510 km (0.095 R)
• M16: 11,298,529 km (0.072 R)
• M17: 13,021,896 km (0.12 R)
• M18: 14,456,839 km (0.117 R)
• M19: 15,651,079 km (0.088 R)
• M20: 16,695,422 km (0.082 R)
• M21: 18,385,878 km (0.081 R)
• M22: 21,423,761 km (0.101 R)
• M23: 23,956,005 km (0.076 R)
• M24: 25,153,386 km (0.082 R)
• M25: 26,005,346 km (0.107 R)
• M26: 26,778,617 km (0.052 R)
• M27: 27,967,172 km (0.113 R)
• M28: 29,397,926 km (0.101 R)
• M29: 31,853,276 km (0.072 R)
• M30: 35,492,244 km (0.096 R)
• M31: 35,965,722 km (0.051 R)
• M32: 41,064,915 km (0.097 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 13,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit