🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.2

Radius: 13.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.77 AU - 0.79 AU

Year: 445 Days

Day: 12.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,148,199 km

• M1: 169,046 km (0.066 R)
• M2: 872,156 km (0.081 R)
• M3: 1,324,988 km (0.064 R)
• M4: 1,822,102 km (0.108 R)
• M5: 2,287,501 km (0.068 R)
• M6: 2,939,299 km (0.114 R)
• M7: 3,750,867 km (0.102 R)
• M8: 4,385,761 km (0.055 R)
• M9: 5,028,583 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.7

Radius: 8.8

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.77 AU - 2.07 AU

Year: 1718 Days

Day: 14.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,148,199 km

• M1: 109,805 km (0.099 R)
• M2: 619,784 km (0.12 R)
• M3: 1,134,401 km (0.118 R)
• M4: 1,432,699 km (0.06 R)
• M5: 2,014,934 km (0.114 R)
• M6: 2,565,903 km (0.043 R)
• M7: 3,012,004 km (0.081 R)
• M8: 4,326,819 km (0.092 R)
• M9: 6,412,214 km (0.116 R)
• M10: 8,038,342 km (0.102 R)
• M11: 8,523,039 km (0.116 R)
• M12: 10,985,869 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.9

Radius: 8.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.2 AU - 2.62 AU

Year: 2416 Days

Day: 12.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,148,199 km

• M1: 102,624 km (0.1 R)
• M2: 380,577 km (0.043 R)
• M3: 1,693,747 km (0.036 R)
• M4: 2,330,735 km (0.037 R)
• M5: 3,485,182 km (0.1 R)
• M6: 5,616,203 km (0.106 R)
• M7: 7,147,188 km (0.034 R)
• M8: 7,596,729 km (0.104 R)
• M9: 8,669,945 km (0.081 R)
• M10: 9,212,237 km (0.1 R)
• M11: 10,397,800 km (0.105 R)
• M12: 11,573,938 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.8

Radius: 9

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3 AU - 4.7 AU

Year: 4878 Days

Day: 10.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 109 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,148,199 km

• M1: 112,049 km (0.088 R)
• M2: 568,771 km (0.105 R)
• M3: 874,699 km (0.105 R)
• M4: 1,373,907 km (0.073 R)
• M5: 1,659,788 km (0.102 R)
• M6: 1,972,747 km (0.07 R)
• M7: 2,477,790 km (0.112 R)
• M8: 2,769,805 km (0.103 R)
• M9: 3,562,673 km (0.076 R)
• M10: 4,382,470 km (0.113 R)
• M11: 5,088,871 km (0.091 R)
• M12: 5,982,718 km (0.085 R)
• M13: 6,820,317 km (0.089 R)
• M14: 8,362,820 km (0.058 R)
• M15: 9,215,827 km (0.105 R)
• M16: 12,448,338 km (0.114 R)
• M17: 12,779,548 km (0.114 R)
• M18: 15,810,401 km (0.078 R)
• M19: 17,169,796 km (0.096 R)
• M20: 17,997,821 km (0.054 R)
• M21: 18,300,008 km (0.079 R)
• M22: 18,852,324 km (0.027 R)
• M23: 19,226,767 km (0.076 R)
• M24: 21,646,064 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.2

Radius: 9.7

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.33 AU - 5.05 AU

Year: 6558 Days

Day: 6.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,148,199 km

• M1: 167,849 km (0.095 R)
• M2: 928,853 km (0.1 R)
• M3: 1,434,344 km (0.117 R)
• M4: 1,971,999 km (0.096 R)
• M5: 3,264,824 km (0.099 R)
• M6: 3,622,961 km (0.071 R)
• M7: 3,944,746 km (0.103 R)
• M8: 4,329,811 km (0.094 R)
• M9: 5,691,002 km (0.111 R)
• M10: 6,469,809 km (0.106 R)
• M11: 7,007,015 km (0.104 R)
• M12: 11,722,639 km (0.119 R)
• M13: 13,120,631 km (0.093 R)
• M14: 13,884,178 km (0.117 R)
• M15: 15,657,512 km (0.081 R)
• M16: 20,647,498 km (0.105 R)

Asteroid Belt

Center: 6.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.9

Radius: 3.2

Gravity: 37.69 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.42 AU - 8.74 AU

Year: 13475 Days

Day: 22 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,148,199 km

• M1: 46,226 km (0.117 R)
• M2: 202,705 km (0.062 R)
• M3: 553,662 km (0.12 R)
• M4: 948,002 km (0.067 R)
• M5: 1,278,613 km (0.056 R)
• M6: 1,395,449 km (0.12 R)
• M7: 1,505,403 km (0.109 R)
• M8: 1,650,813 km (0.088 R)
• M9: 2,687,675 km (0.104 R)
• M10: 2,793,591 km (0.088 R)
• M11: 3,796,794 km (0.116 R)
• M12: 4,891,701 km (0.059 R)
• M13: 5,114,153 km (0.117 R)
• M14: 6,365,988 km (0.108 R)
• M15: 7,223,932 km (0.105 R)
• M16: 7,894,429 km (0.115 R)
• M17: 9,552,871 km (0.09 R)
• M18: 9,850,122 km (0.117 R)
• M19: 13,048,824 km (0.1 R)
• M20: 14,946,772 km (0.118 R)
• M21: 16,662,510 km (0.066 R)
• M22: 17,311,017 km (0.045 R)
• M23: 18,505,257 km (0.059 R)
• M24: 19,278,827 km (0.1 R)
• M25: 20,154,424 km (0.071 R)
• M26: 20,316,438 km (0.111 R)
• M27: 23,472,205 km (0.086 R)
• M28: 25,970,938 km (0.099 R)
• M29: 30,519,611 km (0.063 R)
• M30: 37,127,948 km (0.104 R)
• M31: 40,505,269 km (0.055 R)
• M32: 41,152,429 km (0.094 R)
• M33: 43,404,027 km (0.1 R)
• M34: 47,718,878 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733

Radius: 6.3

Gravity: 18.47 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.61 AU - 10.17 AU

Year: 17115 Days

Day: 19.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,148,199 km

• M1: 78,539 km (0.113 R)
• M2: 274,811 km (0.047 R)
• M3: 708,944 km (0.038 R)
• M4: 1,213,089 km (0.072 R)
• M5: 1,666,520 km (0.116 R)
• M6: 1,951,355 km (0.051 R)
• M7: 2,310,390 km (0.071 R)
• M8: 2,980,738 km (0.104 R)
• M9: 3,429,980 km (0.034 R)
• M10: 6,088,035 km (0.091 R)
• M11: 6,810,144 km (0.07 R)
• M12: 7,635,326 km (0.064 R)
• M13: 8,221,450 km (0.054 R)
• M14: 9,705,162 km (0.039 R)
• M15: 12,056,990 km (0.086 R)
• M16: 12,449,834 km (0.026 R)
• M17: 13,963,016 km (0.084 R)
• M18: 14,763,963 km (0.059 R)
• M19: 15,518,086 km (0.095 R)
• M20: 16,297,790 km (0.064 R)
• M21: 27,224,868 km (0.095 R)
• M22: 29,639,078 km (0.109 R)
• M23: 32,442,841 km (0.076 R)
• M24: 36,904,149 km (0.08 R)
• M25: 44,958,349 km (0.05 R)
• M26: 47,180,775 km (0.038 R)
• M27: 49,809,209 km (0.091 R)
• M28: 56,076,612 km (0.078 R)
• M29: 59,023,391 km (0.097 R)
• M30: 59,964,960 km (0.078 R)
• M31: 64,227,153 km (0.074 R)
• M32: 69,938,201 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 11,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit