🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.5

Radius: 10.9

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.65 AU - 0.99 AU

Year: 513 Days

Day: 12.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,608,452 km

• M1: 135,685 km (0.082 R)
• M2: 485,295 km (0.116 R)
• M3: 857,944 km (0.091 R)
• M4: 1,202,767 km (0.108 R)
• M5: 1,726,359 km (0.098 R)
• M6: 2,108,732 km (0.068 R)
• M7: 2,517,283 km (0.027 R)
• M8: 3,677,714 km (0.11 R)
• M9: 4,333,402 km (0.064 R)
• M10: 4,999,860 km (0.077 R)
• M11: 5,383,728 km (0.037 R)
• M12: 5,877,700 km (0.087 R)
• M13: 6,596,219 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.1

Radius: 10.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.24 AU - 3.82 AU

Year: 4578 Days

Day: 7.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,608,452 km

• M1: 139,724 km (0.086 R)
• M2: 686,056 km (0.079 R)
• M3: 1,105,528 km (0.073 R)
• M4: 1,558,660 km (0.111 R)
• M5: 2,722,083 km (0.116 R)
• M6: 3,523,479 km (0.096 R)
• M7: 4,222,250 km (0.091 R)
• M8: 5,490,092 km (0.08 R)
• M9: 6,937,900 km (0.102 R)
• M10: 7,813,048 km (0.034 R)
• M11: 10,077,810 km (0.103 R)
• M12: 10,686,823 km (0.105 R)
• M13: 14,153,155 km (0.093 R)
• M14: 17,428,002 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.5

Radius: 13.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.77 AU - 6.15 AU

Year: 8806 Days

Day: 5 Hours

Environment

Temp: -234 °C

Axial Tilt: 130.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,608,452 km

• M1: 170,093 km (0.104 R)
• M2: 1,000,361 km (0.092 R)
• M3: 1,446,761 km (0.06 R)
• M4: 2,147,029 km (0.057 R)
• M5: 4,688,846 km (0.037 R)
• M6: 6,751,651 km (0.091 R)
• M7: 8,091,749 km (0.094 R)
• M8: 10,814,131 km (0.115 R)
• M9: 12,643,414 km (0.047 R)
• M10: 13,539,954 km (0.059 R)
• M11: 15,326,302 km (0.077 R)
• M12: 16,415,075 km (0.085 R)
• M13: 19,207,319 km (0.071 R)
• M14: 19,754,249 km (0.105 R)
• M15: 22,046,687 km (0.072 R)
• M16: 30,719,025 km (0.091 R)
• M17: 42,076,047 km (0.028 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.1

Radius: 3.5

Gravity: 18.78 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.65 AU - 6.73 AU

Year: 10630 Days

Day: 20.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,608,452 km

• M1: 55,351 km (0.094 R)
• M2: 213,775 km (0.101 R)
• M3: 359,932 km (0.088 R)
• M4: 493,374 km (0.068 R)
• M5: 604,824 km (0.108 R)
• M6: 741,108 km (0.086 R)
• M7: 1,200,822 km (0.06 R)
• M8: 1,620,594 km (0.046 R)
• M9: 2,131,470 km (0.117 R)
• M10: 2,380,401 km (0.104 R)
• M11: 3,373,582 km (0.065 R)
• M12: 3,642,259 km (0.041 R)
• M13: 7,568,156 km (0.108 R)
• M14: 7,681,402 km (0.075 R)
• M15: 10,237,132 km (0.11 R)
• M16: 10,375,660 km (0.099 R)
• M17: 10,562,358 km (0.118 R)
• M18: 17,857,498 km (0.076 R)
• M19: 20,296,093 km (0.119 R)
• M20: 22,014,075 km (0.109 R)
• M21: 25,396,931 km (0.094 R)
• M22: 26,164,368 km (0.074 R)
• M23: 27,834,778 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.8

Radius: 6.7

Gravity: 13.23 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.83 AU - 8.69 AU

Year: 13503 Days

Day: 23.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,608,452 km

• M1: 83,476 km (0.057 R)
• M2: 333,753 km (0.119 R)
• M3: 2,293,934 km (0.118 R)
• M4: 3,094,432 km (0.11 R)
• M5: 3,571,649 km (0.051 R)
• M6: 3,982,146 km (0.059 R)
• M7: 4,302,884 km (0.074 R)
• M8: 5,474,534 km (0.046 R)
• M9: 6,210,406 km (0.097 R)
• M10: 6,602,203 km (0.115 R)
• M11: 7,178,304 km (0.114 R)
• M12: 7,435,164 km (0.106 R)
• M13: 7,654,025 km (0.115 R)
• M14: 9,157,783 km (0.111 R)
• M15: 9,979,225 km (0.117 R)
• M16: 12,613,494 km (0.113 R)
• M17: 13,370,160 km (0.091 R)
• M18: 14,629,475 km (0.09 R)
• M19: 19,618,265 km (0.119 R)
• M20: 21,065,774 km (0.113 R)
• M21: 22,491,890 km (0.064 R)
• M22: 25,634,343 km (0.044 R)
• M23: 28,520,385 km (0.047 R)
• M24: 36,668,532 km (0.118 R)
• M25: 40,454,855 km (0.069 R)
• M26: 42,931,447 km (0.072 R)
• M27: 50,338,038 km (0.118 R)
• M28: 54,670,841 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.6

Radius: 5.3

Gravity: 15.01 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.24 AU - 11.76 AU

Year: 21828 Days

Day: 23.3 Hours

Environment

Temp: -245 °C

Axial Tilt: 86.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,608,452 km

• M1: 136,583 km (0.112 R)
• M2: 311,463 km (0.093 R)
• M3: 673,938 km (0.082 R)
• M4: 944,112 km (0.084 R)
• M5: 1,136,944 km (0.099 R)
• M6: 2,506,812 km (0.088 R)
• M7: 2,954,558 km (0.114 R)
• M8: 3,509,716 km (0.08 R)
• M9: 4,322,331 km (0.082 R)
• M10: 6,565,103 km (0.079 R)
• M11: 6,824,954 km (0.114 R)
• M12: 7,273,448 km (0.097 R)
• M13: 7,458,202 km (0.084 R)
• M14: 9,537,762 km (0.033 R)
• M15: 9,927,614 km (0.065 R)
• M16: 10,386,281 km (0.039 R)
• M17: 10,918,999 km (0.09 R)
• M18: 11,222,683 km (0.101 R)
• M19: 11,469,669 km (0.11 R)
• M20: 11,783,525 km (0.029 R)
• M21: 14,214,790 km (0.077 R)
• M22: 14,431,407 km (0.088 R)
• M23: 14,945,276 km (0.114 R)
• M24: 17,123,271 km (0.102 R)
• M25: 18,458,283 km (0.079 R)
• M26: 27,616,365 km (0.094 R)
• M27: 30,154,443 km (0.061 R)
• M28: 41,128,195 km (0.079 R)
• M29: 44,273,939 km (0.116 R)
• M30: 45,045,864 km (0.111 R)
• M31: 46,775,664 km (0.096 R)
• M32: 55,020,900 km (0.079 R)
• M33: 62,816,445 km (0.058 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: 413 - 18,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit