🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.4

Radius: 13.2

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.52 AU - 0.64 AU

Year: 305 Days

Day: 6.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,209,136 km

• M1: 164,109 km (0.086 R)
• M2: 581,487 km (0.105 R)
• M3: 1,321,548 km (0.078 R)
• M4: 1,904,231 km (0.042 R)
• M5: 2,530,149 km (0.112 R)
• M6: 2,965,628 km (0.11 R)
• M7: 3,441,349 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.7

Radius: 14.5

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.15 AU - 1.21 AU

Year: 885 Days

Day: 13.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,209,136 km

• M1: 180,265 km (0.082 R)
• M2: 694,882 km (0.086 R)
• M3: 1,231,041 km (0.104 R)
• M4: 1,714,392 km (0.094 R)
• M5: 2,226,316 km (0.102 R)
• M6: 3,084,409 km (0.08 R)
• M7: 3,828,808 km (0.095 R)
• M8: 4,524,887 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.4

Radius: 11.6

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.36 AU - 1.48 AU

Year: 1168 Days

Day: 9.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,209,136 km

• M1: 152,889 km (0.12 R)
• M2: 525,089 km (0.053 R)
• M3: 929,302 km (0.109 R)
• M4: 1,419,385 km (0.117 R)
• M5: 2,288,847 km (0.05 R)
• M6: 3,742,939 km (0.117 R)
• M7: 4,113,044 km (0.091 R)
• M8: 5,040,700 km (0.051 R)
• M9: 5,650,760 km (0.076 R)
• M10: 6,501,224 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.9

Radius: 9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.61 AU - 1.95 AU

Year: 1639 Days

Day: 12.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,209,136 km

• M1: 111,899 km (0.091 R)
• M2: 699,071 km (0.084 R)
• M3: 1,160,431 km (0.106 R)
• M4: 1,465,012 km (0.091 R)
• M5: 1,764,806 km (0.078 R)
• M6: 2,426,328 km (0.098 R)
• M7: 2,850,288 km (0.074 R)
• M8: 3,735,758 km (0.046 R)
• M9: 4,262,492 km (0.088 R)
• M10: 4,607,465 km (0.089 R)
• M11: 5,322,393 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.4

Radius: 11

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.28 AU - 3.32 AU

Year: 3234 Days

Day: 9.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,209,136 km

• M1: 136,882 km (0.097 R)
• M2: 487,091 km (0.099 R)
• M3: 857,645 km (0.077 R)
• M4: 1,200,224 km (0.044 R)
• M5: 1,727,556 km (0.103 R)
• M6: 2,248,606 km (0.102 R)
• M7: 3,216,803 km (0.097 R)
• M8: 3,866,656 km (0.045 R)
• M9: 4,223,297 km (0.082 R)
• M10: 4,579,191 km (0.078 R)
• M11: 5,225,304 km (0.085 R)
• M12: 6,699,890 km (0.09 R)
• M13: 7,597,926 km (0.107 R)
• M14: 9,670,455 km (0.06 R)
• M15: 10,331,827 km (0.087 R)
• M16: 10,857,514 km (0.104 R)
• M17: 11,486,424 km (0.102 R)
• M18: 12,317,589 km (0.055 R)
• M19: 13,094,900 km (0.096 R)
• M20: 13,519,459 km (0.058 R)
• M21: 16,479,851 km (0.093 R)
• M22: 19,662,995 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.5

Radius: 7.8

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.86 AU - 9.06 AU

Year: 18513 Days

Day: 21 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,209,136 km

• M1: 96,939 km (0.111 R)
• M2: 506,538 km (0.117 R)
• M3: 867,368 km (0.083 R)
• M4: 1,261,559 km (0.101 R)
• M5: 2,411,966 km (0.111 R)
• M6: 3,247,471 km (0.064 R)
• M7: 3,884,608 km (0.086 R)
• M8: 4,698,121 km (0.117 R)
• M9: 6,377,656 km (0.082 R)
• M10: 7,330,744 km (0.081 R)
• M11: 9,362,134 km (0.108 R)
• M12: 10,814,131 km (0.106 R)
• M13: 12,785,382 km (0.099 R)
• M14: 13,889,115 km (0.066 R)
• M15: 15,553,541 km (0.099 R)
• M16: 16,136,674 km (0.101 R)
• M17: 17,038,749 km (0.119 R)
• M18: 17,737,072 km (0.083 R)
• M19: 19,107,837 km (0.113 R)
• M20: 19,608,092 km (0.114 R)
• M21: 19,946,482 km (0.063 R)
• M22: 20,634,782 km (0.083 R)
• M23: 24,706,836 km (0.06 R)
• M24: 26,619,744 km (0.059 R)
• M25: 31,888,133 km (0.089 R)
• M26: 34,519,559 km (0.071 R)
• M27: 35,261,565 km (0.098 R)
• M28: 36,267,311 km (0.107 R)
• M29: 37,034,150 km (0.091 R)
• M30: 37,421,608 km (0.073 R)
• M31: 38,732,684 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.6

Radius: 3.6

Gravity: 35.39 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.26 AU - 9.94 AU

Year: 18948 Days

Day: 21 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,209,136 km

• M1: 51,013 km (0.086 R)
• M2: 217,067 km (0.116 R)
• M3: 477,965 km (0.106 R)
• M4: 727,943 km (0.112 R)
• M5: 1,023,399 km (0.059 R)
• M6: 1,159,533 km (0.074 R)
• M7: 1,438,234 km (0.076 R)
• M8: 2,988,816 km (0.108 R)
• M9: 4,213,125 km (0.066 R)
• M10: 6,048,990 km (0.105 R)
• M11: 7,319,674 km (0.055 R)
• M12: 8,357,584 km (0.099 R)
• M13: 8,758,058 km (0.045 R)
• M14: 9,705,910 km (0.118 R)
• M15: 11,013,844 km (0.051 R)
• M16: 12,499,351 km (0.083 R)
• M17: 12,824,876 km (0.119 R)
• M18: 12,956,522 km (0.115 R)
• M19: 13,835,110 km (0.117 R)
• M20: 16,319,183 km (0.077 R)
• M21: 17,182,363 km (0.1 R)
• M22: 20,758,949 km (0.096 R)
• M23: 22,528,093 km (0.082 R)
• M24: 23,400,249 km (0.116 R)
• M25: 26,045,737 km (0.06 R)
• M26: 26,790,585 km (0.119 R)
• M27: 27,114,165 km (0.105 R)
• M28: 27,879,209 km (0.086 R)
• M29: 31,680,341 km (0.105 R)
• M30: 33,766,932 km (0.098 R)
• M31: 36,468,520 km (0.095 R)
• M32: 43,770,991 km (0.095 R)
• M33: 43,920,289 km (0.1 R)
• M34: 49,683,697 km (0.108 R)
• M35: 53,168,729 km (0.081 R)
• M36: 56,990,954 km (0.103 R)
• M37: 58,424,850 km (0.055 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: 167 - 16,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit