🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.61 AU - 0.63 AU

Year: 218 Days

Day: 47.5 Hours

Environment

Temp: -8 °C

Axial Tilt: 8.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.9 AU - 1.24 AU

Year: 494 Days

Day: 38.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.82 AU - 2.2 AU

Year: 1272 Days

Day: 20.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 146.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 100,931,323 km

• M1: 75,547 km (0.12 R)

Asteroid Belt

Center: 3.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.3

Radius: 10.6

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.42 AU - 5.32 AU

Year: 4796 Days

Day: 5.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 100,931,323 km

• M1: 131,945 km (0.083 R)
• M2: 464,801 km (0.083 R)
• M3: 1,495,530 km (0.093 R)
• M4: 1,845,290 km (0.055 R)
• M5: 2,467,168 km (0.114 R)
• M6: 2,860,910 km (0.098 R)
• M7: 5,955,790 km (0.112 R)
• M8: 7,633,531 km (0.108 R)
• M9: 8,268,574 km (0.084 R)
• M10: 9,011,177 km (0.11 R)
• M11: 9,568,280 km (0.104 R)
• M12: 10,547,697 km (0.108 R)
• M13: 12,162,756 km (0.101 R)
• M14: 13,406,512 km (0.073 R)
• M15: 14,430,809 km (0.068 R)
• M16: 14,936,749 km (0.072 R)
• M17: 15,611,884 km (0.057 R)
• M18: 17,760,110 km (0.042 R)
• M19: 19,725,826 km (0.1 R)
• M20: 20,160,856 km (0.112 R)
• M21: 20,729,478 km (0.104 R)
• M22: 21,635,143 km (0.074 R)
• M23: 22,164,421 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.9

Radius: 10.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.33 AU - 5.89 AU

Year: 5154 Days

Day: 10.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 100,931,323 km

• M1: 133,292 km (0.077 R)
• M2: 503,247 km (0.11 R)
• M3: 1,107,623 km (0.066 R)
• M4: 1,431,502 km (0.056 R)
• M5: 1,819,858 km (0.095 R)
• M6: 2,292,887 km (0.118 R)
• M7: 2,947,527 km (0.099 R)
• M8: 3,682,651 km (0.069 R)
• M9: 4,650,848 km (0.088 R)
• M10: 5,807,838 km (0.066 R)
• M11: 7,084,806 km (0.099 R)
• M12: 8,400,220 km (0.055 R)
• M13: 9,755,726 km (0.069 R)
• M14: 10,999,483 km (0.08 R)
• M15: 11,465,330 km (0.104 R)
• M16: 13,318,549 km (0.076 R)
• M17: 14,592,524 km (0.098 R)
• M18: 15,051,790 km (0.038 R)
• M19: 15,892,380 km (0.097 R)
• M20: 17,267,933 km (0.115 R)
• M21: 17,955,634 km (0.089 R)
• M22: 18,365,233 km (0.074 R)
• M23: 21,278,652 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.9

Radius: 11

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.04 AU - 5.3 AU

Year: 5246 Days

Day: 11.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 100,931,323 km

• M1: 137,181 km (0.078 R)
• M2: 1,186,311 km (0.119 R)
• M3: 1,548,936 km (0.107 R)
• M4: 3,099,817 km (0.105 R)
• M5: 3,502,535 km (0.101 R)
• M6: 5,378,492 km (0.113 R)
• M7: 5,963,270 km (0.055 R)
• M8: 6,533,687 km (0.1 R)
• M9: 7,815,591 km (0.08 R)
• M10: 10,061,504 km (0.108 R)
• M11: 12,102,169 km (0.103 R)
• M12: 13,653,349 km (0.086 R)
• M13: 14,404,929 km (0.109 R)
• M14: 15,183,885 km (0.089 R)
• M15: 15,888,341 km (0.087 R)
• M16: 16,456,963 km (0.112 R)
• M17: 17,039,197 km (0.114 R)
• M18: 18,077,107 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321

Radius: 13.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.9 AU - 7.3 AU

Year: 8442 Days

Day: 5.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 100,931,323 km

• M1: 166,652 km (0.118 R)
• M2: 635,641 km (0.116 R)
• M3: 1,271,432 km (0.099 R)
• M4: 1,897,649 km (0.115 R)
• M5: 3,201,993 km (0.118 R)
• M6: 4,428,097 km (0.111 R)
• M7: 5,406,018 km (0.115 R)
• M8: 6,556,127 km (0.119 R)
• M9: 7,976,558 km (0.112 R)
• M10: 9,004,445 km (0.112 R)
• M11: 12,776,107 km (0.119 R)
• M12: 17,299,498 km (0.111 R)
• M13: 17,751,433 km (0.059 R)
• M14: 20,344,263 km (0.03 R)
• M15: 23,180,190 km (0.073 R)
• M16: 24,855,686 km (0.066 R)
• M17: 28,805,968 km (0.108 R)
• M18: 33,156,423 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.4

Radius: 5

Gravity: 31.02 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 15.66 AU - 16.46 AU

Year: 28719 Days

Day: 22.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 100,931,323 km

• M1: 63,130 km (0.09 R)
• M2: 259,253 km (0.098 R)
• M3: 416,480 km (0.106 R)
• M4: 833,410 km (0.106 R)
• M5: 1,242,111 km (0.117 R)
• M6: 1,545,645 km (0.048 R)
• M7: 3,854,389 km (0.069 R)
• M8: 4,026,726 km (0.112 R)
• M9: 4,613,150 km (0.102 R)
• M10: 4,967,098 km (0.04 R)
• M11: 5,553,522 km (0.033 R)
• M12: 5,818,460 km (0.114 R)
• M13: 6,045,699 km (0.114 R)
• M14: 6,664,136 km (0.048 R)
• M15: 7,323,863 km (0.108 R)
• M16: 9,315,310 km (0.069 R)
• M17: 10,601,702 km (0.087 R)
• M18: 12,595,393 km (0.068 R)
• M19: 13,052,863 km (0.068 R)
• M20: 14,994,494 km (0.092 R)
• M21: 16,033,900 km (0.098 R)
• M22: 16,661,912 km (0.068 R)
• M23: 17,027,978 km (0.035 R)
• M24: 25,767,635 km (0.077 R)
• M25: 29,061,630 km (0.113 R)
• M26: 31,778,627 km (0.119 R)
• M27: 39,302,053 km (0.062 R)
• M28: 40,441,690 km (0.1 R)
• M29: 41,939,165 km (0.102 R)
• M30: 43,992,695 km (0.12 R)
• M31: 44,341,258 km (0.118 R)
• M32: 45,044,218 km (0.045 R)
• M33: 46,112,347 km (0.12 R)
• M34: 47,745,956 km (0.099 R)
• M35: 67,405,210 km (0.095 R)
• M36: 70,693,521 km (0.037 R)
• M37: 72,134,896 km (0.097 R)
• M38: 85,999,777 km (0.117 R)
• M39: 89,583,843 km (0.082 R)
• M40: 90,706,425 km (0.093 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 12,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit