🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.42 AU - 0.66 AU

Year: 256 Days

Day: 41.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.9

Radius: 12.7

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.06 AU - 1.36 AU

Year: 859 Days

Day: 6.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,523,652 km

• M1: 157,975 km (0.1 R)
• M2: 560,094 km (0.089 R)
• M3: 1,013,526 km (0.096 R)
• M4: 1,546,842 km (0.054 R)
• M5: 2,131,620 km (0.117 R)
• M6: 2,585,500 km (0.119 R)
• M7: 3,170,428 km (0.081 R)
• M8: 3,796,794 km (0.11 R)
• M9: 5,017,662 km (0.081 R)
• M10: 6,441,535 km (0.107 R)
• M11: 7,717,904 km (0.086 R)
• M12: 9,492,733 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.5

Radius: 14.3

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.26 AU - 1.46 AU

Year: 1024 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,523,652 km

• M1: 177,872 km (0.051 R)
• M2: 630,256 km (0.106 R)
• M3: 1,081,443 km (0.097 R)
• M4: 1,663,828 km (0.106 R)
• M5: 2,395,959 km (0.084 R)
• M6: 2,926,733 km (0.093 R)
• M7: 3,933,377 km (0.116 R)
• M8: 4,947,351 km (0.103 R)
• M9: 6,204,123 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.5

Radius: 10.7

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.34 AU - 1.54 AU

Year: 1116 Days

Day: 11.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,523,652 km

• M1: 133,142 km (0.065 R)
• M2: 566,228 km (0.103 R)
• M3: 984,803 km (0.06 R)
• M4: 1,814,173 km (0.116 R)
• M5: 2,822,613 km (0.118 R)
• M6: 3,174,766 km (0.092 R)
• M7: 3,758,347 km (0.11 R)
• M8: 4,298,246 km (0.088 R)
• M9: 7,594,037 km (0.106 R)
• M10: 7,981,495 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243

Radius: 9.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.74 AU - 4.3 AU

Year: 4264 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,523,652 km

• M1: 123,119 km (0.093 R)
• M2: 443,707 km (0.095 R)
• M3: 1,314,666 km (0.093 R)
• M4: 2,003,265 km (0.058 R)
• M5: 4,163,758 km (0.055 R)
• M6: 5,103,831 km (0.054 R)
• M7: 10,084,991 km (0.111 R)
• M8: 11,810,154 km (0.105 R)
• M9: 13,093,703 km (0.119 R)
• M10: 13,586,927 km (0.073 R)
• M11: 15,584,957 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.1

Radius: 13.7

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.53 AU - 4.45 AU

Year: 5146 Days

Day: 7.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,523,652 km

• M1: 174,132 km (0.118 R)
• M2: 647,609 km (0.083 R)
• M3: 1,436,439 km (0.09 R)
• M4: 2,639,056 km (0.106 R)
• M5: 3,393,478 km (0.084 R)
• M6: 4,240,950 km (0.047 R)
• M7: 5,334,211 km (0.094 R)
• M8: 7,470,918 km (0.066 R)
• M9: 10,515,833 km (0.063 R)
• M10: 10,958,493 km (0.107 R)
• M11: 11,459,795 km (0.081 R)
• M12: 14,907,428 km (0.042 R)
• M13: 15,410,376 km (0.071 R)
• M14: 16,568,862 km (0.046 R)
• M15: 17,352,455 km (0.055 R)
• M16: 18,993,843 km (0.111 R)
• M17: 20,325,264 km (0.032 R)
• M18: 21,789,229 km (0.086 R)
• M19: 27,594,075 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.6

Radius: 9.4

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.65 AU - 5.09 AU

Year: 5898 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,523,652 km

• M1: 135,685 km (0.108 R)
• M2: 1,939,088 km (0.066 R)
• M3: 2,579,516 km (0.097 R)
• M4: 3,548,611 km (0.071 R)
• M5: 6,240,326 km (0.118 R)
• M6: 8,673,535 km (0.048 R)
• M7: 9,247,542 km (0.1 R)
• M8: 11,358,518 km (0.106 R)
• M9: 12,378,625 km (0.105 R)
• M10: 13,907,815 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.2

Radius: 8.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.93 AU - 5.45 AU

Year: 6558 Days

Day: 14.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,523,652 km

• M1: 110,553 km (0.096 R)
• M2: 523,293 km (0.082 R)
• M3: 991,684 km (0.103 R)
• M4: 1,931,757 km (0.109 R)
• M5: 2,211,206 km (0.103 R)
• M6: 3,765,079 km (0.065 R)
• M7: 5,164,268 km (0.048 R)
• M8: 7,175,761 km (0.052 R)
• M9: 7,664,497 km (0.064 R)
• M10: 8,077,687 km (0.101 R)
• M11: 8,879,531 km (0.107 R)
• M12: 13,749,391 km (0.079 R)
• M13: 15,185,829 km (0.098 R)
• M14: 15,838,375 km (0.083 R)
• M15: 18,523,508 km (0.09 R)
• M16: 19,326,549 km (0.078 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.1

Radius: 12

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.3 AU - 5.22 AU

Year: 6705 Days

Day: 14.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,523,652 km

• M1: 149,299 km (0.092 R)
• M2: 865,274 km (0.081 R)
• M3: 1,672,654 km (0.066 R)
• M4: 2,246,810 km (0.053 R)
• M5: 2,831,289 km (0.039 R)
• M6: 4,963,657 km (0.064 R)
• M7: 5,342,290 km (0.072 R)
• M8: 8,849,911 km (0.089 R)
• M9: 10,474,993 km (0.103 R)
• M10: 12,474,069 km (0.094 R)
• M11: 14,358,404 km (0.066 R)
• M12: 15,026,807 km (0.048 R)
• M13: 18,563,749 km (0.071 R)
• M14: 22,897,151 km (0.055 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.2

Radius: 7.5

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.96 AU - 9.64 AU

Year: 14066 Days

Day: 21.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,523,652 km

• M1: 93,349 km (0.109 R)
• M2: 674,836 km (0.049 R)
• M3: 984,354 km (0.095 R)
• M4: 1,710,203 km (0.082 R)
• M5: 1,963,322 km (0.064 R)
• M6: 2,526,558 km (0.11 R)
• M7: 3,504,929 km (0.111 R)
• M8: 4,776,660 km (0.076 R)
• M9: 5,218,423 km (0.09 R)
• M10: 6,330,533 km (0.067 R)
• M11: 13,332,162 km (0.099 R)
• M12: 18,702,127 km (0.089 R)
• M13: 19,166,778 km (0.094 R)
• M14: 19,718,495 km (0.058 R)
• M15: 21,690,494 km (0.09 R)
• M16: 23,790,400 km (0.114 R)
• M17: 26,310,675 km (0.042 R)
• M18: 32,649,137 km (0.083 R)
• M19: 38,299,448 km (0.109 R)
• M20: 40,190,515 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 17,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit