🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.67 AU - 2.67 AU

Year: 1610 Days

Day: 19.9 Hours

Environment

Temp: -93 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,491,677 km

• M1: 50,414 km (0.049 R)
• M2: 97,388 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.2

Radius: 12

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.5 AU - 6.26 AU

Year: 5261 Days

Day: 12.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,491,677 km

• M1: 157,975 km (0.093 R)
• M2: 679,025 km (0.096 R)
• M3: 1,090,419 km (0.049 R)
• M4: 1,725,163 km (0.098 R)
• M5: 2,198,042 km (0.106 R)
• M6: 2,925,686 km (0.096 R)
• M7: 3,716,759 km (0.12 R)
• M8: 6,159,094 km (0.071 R)
• M9: 7,903,405 km (0.113 R)
• M10: 8,525,433 km (0.055 R)
• M11: 9,476,726 km (0.087 R)
• M12: 10,589,584 km (0.068 R)
• M13: 11,249,760 km (0.077 R)
• M14: 12,393,884 km (0.087 R)
• M15: 13,504,798 km (0.081 R)
• M16: 15,802,771 km (0.056 R)
• M17: 16,540,289 km (0.119 R)
• M18: 21,456,224 km (0.074 R)
• M19: 27,795,434 km (0.095 R)
• M20: 28,508,866 km (0.074 R)
• M21: 30,252,130 km (0.039 R)
• M22: 32,162,944 km (0.066 R)
• M23: 33,048,414 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.8

Radius: 13.9

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 9.11 AU - 13.69 AU

Year: 14202 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,491,677 km

• M1: 173,384 km (0.047 R)
• M2: 684,410 km (0.072 R)
• M3: 1,230,891 km (0.054 R)
• M4: 1,738,028 km (0.068 R)
• M5: 2,204,923 km (0.079 R)
• M6: 2,779,379 km (0.06 R)
• M7: 3,242,683 km (0.086 R)
• M8: 3,902,410 km (0.118 R)
• M9: 5,756,376 km (0.12 R)
• M10: 12,112,341 km (0.061 R)
• M11: 12,628,454 km (0.061 R)
• M12: 15,887,892 km (0.117 R)
• M13: 17,711,640 km (0.099 R)
• M14: 18,293,426 km (0.099 R)
• M15: 19,060,115 km (0.113 R)
• M16: 23,417,602 km (0.111 R)
• M17: 24,731,071 km (0.114 R)
• M18: 28,852,343 km (0.092 R)
• M19: 31,075,517 km (0.078 R)
• M20: 34,171,894 km (0.095 R)
• M21: 35,466,065 km (0.111 R)
• M22: 35,992,948 km (0.09 R)
• M23: 37,468,432 km (0.09 R)
• M24: 40,254,094 km (0.059 R)
• M25: 42,876,695 km (0.111 R)
• M26: 44,534,389 km (0.092 R)
• M27: 49,272,452 km (0.1 R)
• M28: 50,590,410 km (0.094 R)
• M29: 59,551,172 km (0.11 R)
• M30: 61,235,196 km (0.07 R)
• M31: 64,697,938 km (0.116 R)
• M32: 66,877,279 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.2

Radius: 6.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 15.52 AU - 21.96 AU

Year: 29932 Days

Day: 23.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,491,677 km

• M1: 76,744 km (0.107 R)
• M2: 365,318 km (0.081 R)
• M3: 631,752 km (0.113 R)
• M4: 921,224 km (0.109 R)
• M5: 1,114,803 km (0.069 R)
• M6: 1,692,102 km (0.112 R)
• M7: 2,531,794 km (0.119 R)
• M8: 4,083,274 km (0.119 R)
• M9: 4,614,346 km (0.091 R)
• M10: 5,495,777 km (0.119 R)
• M11: 5,705,962 km (0.119 R)
• M12: 7,629,791 km (0.091 R)
• M13: 8,433,730 km (0.098 R)
• M14: 10,527,053 km (0.06 R)
• M15: 11,866,851 km (0.117 R)
• M16: 13,316,454 km (0.066 R)
• M17: 14,478,381 km (0.106 R)
• M18: 17,002,396 km (0.099 R)
• M19: 17,374,596 km (0.052 R)
• M20: 20,719,455 km (0.112 R)
• M21: 21,661,622 km (0.106 R)
• M22: 27,716,147 km (0.116 R)
• M23: 28,128,140 km (0.076 R)
• M24: 29,176,073 km (0.115 R)
• M25: 30,249,886 km (0.092 R)
• M26: 35,047,939 km (0.039 R)
• M27: 36,629,936 km (0.095 R)
• M28: 38,259,057 km (0.117 R)
• M29: 45,259,041 km (0.104 R)
• M30: 49,510,612 km (0.08 R)
• M31: 51,966,560 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.8

Radius: 3.8

Gravity: 25.47 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 14.97 AU - 24.63 AU

Year: 32507 Days

Day: 20.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,491,677 km

• M1: 55,501 km (0.105 R)
• M2: 1,583,942 km (0.066 R)
• M3: 5,115,798 km (0.098 R)
• M4: 6,022,810 km (0.059 R)
• M5: 7,226,924 km (0.031 R)
• M6: 8,638,230 km (0.116 R)
• M7: 11,051,393 km (0.113 R)
• M8: 11,448,276 km (0.083 R)
• M9: 12,482,147 km (0.04 R)
• M10: 16,375,881 km (0.068 R)
• M11: 23,838,869 km (0.03 R)
• M12: 24,168,284 km (0.105 R)
• M13: 29,104,266 km (0.113 R)
• M14: 36,383,249 km (0.041 R)
• M15: 39,207,657 km (0.086 R)
• M16: 52,892,122 km (0.087 R)
• M17: 73,305,201 km (0.086 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: 544 - 20,003 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit