🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.7

Radius: 12.7

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.6 AU - 0.82 AU

Year: 421 Days

Day: 15 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,414,930 km

• M1: 159,322 km (0.055 R)
• M2: 558,150 km (0.093 R)
• M3: 1,096,253 km (0.096 R)
• M4: 1,505,403 km (0.119 R)
• M5: 2,291,690 km (0.043 R)
• M6: 3,109,392 km (0.047 R)
• M7: 3,723,192 km (0.116 R)
• M8: 4,332,504 km (0.105 R)
• M9: 4,779,802 km (0.112 R)
• M10: 5,419,183 km (0.102 R)
• M11: 5,836,561 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.9

Radius: 13.8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.79 AU - 1.93 AU

Year: 1783 Days

Day: 6.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,414,930 km

• M1: 172,636 km (0.09 R)
• M2: 979,417 km (0.108 R)
• M3: 1,522,458 km (0.067 R)
• M4: 2,450,712 km (0.042 R)
• M5: 3,282,177 km (0.088 R)
• M6: 4,216,865 km (0.053 R)
• M7: 5,020,505 km (0.095 R)
• M8: 5,750,393 km (0.08 R)
• M9: 7,769,365 km (0.117 R)
• M10: 8,470,680 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.6

Radius: 12.5

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.94 AU - 2.18 AU

Year: 2078 Days

Day: 12.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,414,930 km

• M1: 163,959 km (0.113 R)
• M2: 612,902 km (0.105 R)
• M3: 2,024,209 km (0.075 R)
• M4: 3,005,421 km (0.117 R)
• M5: 4,062,629 km (0.107 R)
• M6: 5,167,110 km (0.098 R)
• M7: 6,408,773 km (0.063 R)
• M8: 7,214,956 km (0.108 R)
• M9: 8,533,661 km (0.117 R)
• M10: 9,164,964 km (0.098 R)
• M11: 10,006,901 km (0.103 R)
• M12: 11,523,973 km (0.032 R)
• M13: 12,048,613 km (0.114 R)
• M14: 14,726,564 km (0.082 R)
• M15: 15,980,344 km (0.116 R)
• M16: 16,481,048 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.3

Radius: 12.5

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.84 AU - 2.74 AU

Year: 2436 Days

Day: 13.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 167.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,414,930 km

• M1: 155,432 km (0.093 R)
• M2: 723,754 km (0.105 R)
• M3: 1,196,783 km (0.07 R)
• M4: 1,691,503 km (0.03 R)
• M5: 2,129,226 km (0.09 R)
• M6: 2,899,057 km (0.116 R)
• M7: 3,515,999 km (0.076 R)
• M8: 4,551,216 km (0.105 R)
• M9: 5,292,473 km (0.107 R)
• M10: 6,377,357 km (0.083 R)
• M11: 7,424,842 km (0.115 R)
• M12: 8,616,837 km (0.109 R)
• M13: 9,120,982 km (0.083 R)
• M14: 9,896,049 km (0.074 R)
• M15: 10,600,356 km (0.074 R)
• M16: 11,062,314 km (0.097 R)
• M17: 11,577,828 km (0.068 R)
• M18: 13,045,832 km (0.084 R)
• M19: 13,532,025 km (0.028 R)
• M20: 14,122,039 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.5

Radius: 13.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.76 AU - 3.9 AU

Year: 5269 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,414,930 km

• M1: 172,038 km (0.026 R)
• M2: 895,642 km (0.115 R)
• M3: 1,735,485 km (0.119 R)
• M4: 2,572,784 km (0.079 R)
• M5: 3,211,268 km (0.078 R)
• M6: 4,092,399 km (0.106 R)
• M7: 4,552,712 km (0.118 R)
• M8: 5,266,892 km (0.114 R)
• M9: 6,525,609 km (0.116 R)
• M10: 8,466,192 km (0.103 R)
• M11: 10,320,159 km (0.1 R)
• M12: 11,225,675 km (0.106 R)
• M13: 13,509,585 km (0.099 R)
• M14: 14,427,368 km (0.053 R)
• M15: 14,929,718 km (0.102 R)
• M16: 18,001,261 km (0.033 R)
• M17: 19,515,641 km (0.102 R)
• M18: 20,061,822 km (0.091 R)
• M19: 25,365,965 km (0.099 R)
• M20: 26,595,360 km (0.119 R)
• M21: 28,732,216 km (0.119 R)
• M22: 29,350,504 km (0.041 R)
• M23: 30,249,138 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.4

Radius: 13.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.59 AU - 4.53 AU

Year: 5750 Days

Day: 12.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,414,930 km

• M1: 181,612 km (0.09 R)
• M2: 649,554 km (0.106 R)
• M3: 1,514,379 km (0.026 R)
• M4: 2,050,987 km (0.078 R)
• M5: 2,645,190 km (0.077 R)
• M6: 3,078,275 km (0.107 R)
• M7: 3,537,990 km (0.11 R)
• M8: 4,278,798 km (0.066 R)
• M9: 5,257,468 km (0.084 R)
• M10: 6,255,136 km (0.116 R)
• M11: 8,781,096 km (0.109 R)
• M12: 10,358,605 km (0.102 R)
• M13: 11,495,100 km (0.097 R)
• M14: 12,363,516 km (0.113 R)
• M15: 14,015,077 km (0.085 R)
• M16: 18,069,777 km (0.117 R)
• M17: 18,585,441 km (0.083 R)
• M18: 19,849,842 km (0.12 R)
• M19: 20,537,992 km (0.09 R)
• M20: 20,958,512 km (0.088 R)
• M21: 23,223,274 km (0.119 R)
• M22: 23,679,847 km (0.108 R)
• M23: 27,806,055 km (0.104 R)
• M24: 29,636,385 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.5

Radius: 9.9

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.36 AU - 5.04 AU

Year: 6050 Days

Day: 9.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,414,930 km

• M1: 156,479 km (0.101 R)
• M2: 465,549 km (0.117 R)
• M3: 835,953 km (0.107 R)
• M4: 1,679,087 km (0.107 R)
• M5: 2,223,174 km (0.068 R)
• M6: 2,936,905 km (0.106 R)
• M7: 4,284,932 km (0.108 R)
• M8: 5,028,433 km (0.051 R)
• M9: 8,452,280 km (0.109 R)
• M10: 9,703,815 km (0.08 R)
• M11: 12,926,154 km (0.112 R)
• M12: 15,203,033 km (0.105 R)
• M13: 16,923,110 km (0.117 R)
• M14: 17,294,561 km (0.11 R)
• M15: 22,114,156 km (0.116 R)
• M16: 23,772,149 km (0.058 R)
• M17: 30,047,630 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.6

Radius: 6.5

Gravity: 21.36 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.47 AU - 7.47 AU

Year: 14351 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,414,930 km

• M1: 81,980 km (0.029 R)
• M2: 575,952 km (0.117 R)
• M3: 851,661 km (0.113 R)
• M4: 1,366,277 km (0.117 R)
• M5: 1,777,821 km (0.09 R)
• M6: 2,031,988 km (0.108 R)
• M7: 2,437,249 km (0.094 R)
• M8: 2,919,552 km (0.066 R)
• M9: 3,803,227 km (0.119 R)
• M10: 4,683,311 km (0.088 R)
• M11: 5,730,646 km (0.101 R)
• M12: 7,102,907 km (0.115 R)
• M13: 9,202,214 km (0.05 R)
• M14: 9,688,706 km (0.085 R)
• M15: 10,135,555 km (0.106 R)
• M16: 11,070,392 km (0.066 R)
• M17: 11,620,763 km (0.086 R)
• M18: 12,975,820 km (0.112 R)
• M19: 14,868,532 km (0.059 R)
• M20: 16,699,162 km (0.079 R)
• M21: 20,893,437 km (0.115 R)
• M22: 23,880,757 km (0.097 R)
• M23: 25,739,810 km (0.109 R)
• M24: 26,922,231 km (0.068 R)
• M25: 27,471,555 km (0.063 R)
• M26: 30,925,021 km (0.11 R)
• M27: 31,406,427 km (0.062 R)
• M28: 36,631,582 km (0.043 R)
• M29: 41,965,643 km (0.115 R)
• M30: 45,278,788 km (0.106 R)
• M31: 50,403,113 km (0.042 R)
• M32: 64,093,562 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.9

Radius: 3.8

Gravity: 55.39 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.35 AU - 9.59 AU

Year: 20485 Days

Day: 20.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 161.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,414,930 km

• M1: 48,021 km (0.06 R)
• M2: 177,573 km (0.11 R)
• M3: 554,111 km (0.051 R)
• M4: 844,630 km (0.118 R)
• M5: 1,037,312 km (0.045 R)
• M6: 1,814,323 km (0.075 R)
• M7: 2,378,606 km (0.102 R)
• M8: 2,840,415 km (0.032 R)
• M9: 3,535,895 km (0.102 R)
• M10: 3,687,588 km (0.103 R)
• M11: 7,461,942 km (0.066 R)
• M12: 9,045,884 km (0.111 R)
• M13: 13,218,917 km (0.081 R)
• M14: 13,658,734 km (0.087 R)
• M15: 15,435,508 km (0.114 R)
• M16: 15,678,006 km (0.112 R)
• M17: 18,155,198 km (0.113 R)
• M18: 19,722,385 km (0.097 R)
• M19: 21,177,972 km (0.101 R)
• M20: 24,410,184 km (0.11 R)
• M21: 25,519,153 km (0.118 R)
• M22: 25,858,291 km (0.089 R)
• M23: 29,046,820 km (0.098 R)
• M24: 30,291,175 km (0.095 R)
• M25: 31,441,284 km (0.092 R)
• M26: 34,374,300 km (0.108 R)
• M27: 36,618,417 km (0.083 R)
• M28: 39,407,819 km (0.053 R)
• M29: 39,558,464 km (0.077 R)
• M30: 62,994,915 km (0.073 R)
• M31: 63,614,101 km (0.081 R)
• M32: 65,284,960 km (0.115 R)
• M33: 67,414,485 km (0.117 R)
• M34: 68,496,377 km (0.1 R)
• M35: 69,589,788 km (0.082 R)
• M36: 74,079,968 km (0.09 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: 174 - 14,884 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit