🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175

Radius: 9.9

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.56 AU - 0.7 AU

Year: 345 Days

Day: 7.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,397,132 km

• M1: 123,269 km (0.076 R)
• M2: 451,337 km (0.029 R)
• M3: 834,008 km (0.12 R)
• M4: 1,141,881 km (0.074 R)
• M5: 1,489,845 km (0.078 R)
• M6: 2,165,280 km (0.083 R)
• M7: 2,617,514 km (0.066 R)
• M8: 3,024,121 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.4

Radius: 8.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.9 AU - 1.38 AU

Year: 840 Days

Day: 10.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,397,132 km

• M1: 109,206 km (0.045 R)
• M2: 392,994 km (0.06 R)
• M3: 768,783 km (0.074 R)
• M4: 1,361,191 km (0.064 R)
• M5: 2,899,656 km (0.091 R)
• M6: 3,182,545 km (0.106 R)
• M7: 4,188,292 km (0.066 R)
• M8: 4,551,216 km (0.097 R)
• M9: 5,101,287 km (0.1 R)
• M10: 5,731,244 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.8

Radius: 14.6

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.78 AU - 2.16 AU

Year: 1909 Days

Day: 8.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,397,132 km

• M1: 181,612 km (0.052 R)
• M2: 636,240 km (0.092 R)
• M3: 1,158,636 km (0.061 R)
• M4: 1,933,253 km (0.095 R)
• M5: 3,036,687 km (0.094 R)
• M6: 3,521,534 km (0.108 R)
• M7: 5,298,457 km (0.085 R)
• M8: 6,181,234 km (0.107 R)
• M9: 7,760,689 km (0.117 R)
• M10: 8,803,984 km (0.1 R)
• M11: 10,797,226 km (0.112 R)
• M12: 12,137,025 km (0.093 R)
• M13: 12,621,124 km (0.101 R)
• M14: 14,507,702 km (0.106 R)
• M15: 15,145,737 km (0.053 R)
• M16: 16,041,380 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.2

Radius: 9.3

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.61 AU - 3.03 AU

Year: 3269 Days

Day: 14.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,397,132 km

• M1: 115,639 km (0.067 R)
• M2: 433,983 km (0.097 R)
• M3: 782,546 km (0.03 R)
• M4: 1,075,758 km (0.046 R)
• M5: 1,508,246 km (0.076 R)
• M6: 1,821,354 km (0.083 R)
• M7: 2,150,170 km (0.042 R)
• M8: 2,472,404 km (0.081 R)
• M9: 3,124,052 km (0.041 R)
• M10: 3,639,267 km (0.116 R)
• M11: 3,949,533 km (0.117 R)
• M12: 4,367,809 km (0.093 R)
• M13: 5,319,401 km (0.095 R)
• M14: 6,433,157 km (0.109 R)
• M15: 7,268,213 km (0.118 R)
• M16: 7,628,594 km (0.049 R)
• M17: 9,077,748 km (0.058 R)
• M18: 12,652,390 km (0.118 R)
• M19: 14,211,798 km (0.071 R)
• M20: 15,090,386 km (0.077 R)
• M21: 16,336,087 km (0.073 R)
• M22: 17,012,719 km (0.088 R)
• M23: 20,034,296 km (0.099 R)
• M24: 22,834,619 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.3

Radius: 13.1

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.07 AU - 4.17 AU

Year: 4754 Days

Day: 6.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,397,132 km

• M1: 163,361 km (0.086 R)
• M2: 746,045 km (0.07 R)
• M3: 1,428,510 km (0.105 R)
• M4: 1,929,962 km (0.103 R)
• M5: 3,140,059 km (0.116 R)
• M6: 5,609,920 km (0.104 R)
• M7: 6,791,145 km (0.108 R)
• M8: 7,519,088 km (0.114 R)
• M9: 8,000,195 km (0.111 R)
• M10: 9,384,274 km (0.069 R)
• M11: 12,313,401 km (0.119 R)
• M12: 14,690,511 km (0.114 R)
• M13: 15,649,882 km (0.105 R)
• M14: 21,336,247 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 14.6

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.16 AU - 5.1 AU

Year: 6877 Days

Day: 7.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,397,132 km

• M1: 181,612 km (0.113 R)
• M2: 813,962 km (0.104 R)
• M3: 1,476,830 km (0.091 R)
• M4: 2,275,533 km (0.078 R)
• M5: 2,887,987 km (0.048 R)
• M6: 3,543,076 km (0.115 R)
• M7: 4,001,893 km (0.034 R)
• M8: 5,415,593 km (0.031 R)
• M9: 6,124,238 km (0.101 R)
• M10: 6,964,080 km (0.109 R)
• M11: 10,266,603 km (0.063 R)
• M12: 11,502,131 km (0.086 R)
• M13: 12,310,409 km (0.086 R)
• M14: 12,941,263 km (0.114 R)
• M15: 15,501,481 km (0.081 R)
• M16: 16,113,336 km (0.101 R)
• M17: 17,713,884 km (0.096 R)
• M18: 18,450,953 km (0.099 R)
• M19: 19,208,217 km (0.112 R)
• M20: 20,858,730 km (0.09 R)
• M21: 21,454,429 km (0.105 R)
• M22: 23,389,477 km (0.109 R)
• M23: 29,054,150 km (0.045 R)
• M24: 32,005,866 km (0.04 R)
• M25: 32,899,115 km (0.088 R)
• M26: 33,402,362 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.8

Radius: 3.5

Gravity: 23.25 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.56 AU - 6.2 AU

Year: 9842 Days

Day: 19.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,397,132 km

• M1: 50,115 km (0.101 R)
• M2: 177,722 km (0.11 R)
• M3: 317,895 km (0.063 R)
• M4: 520,152 km (0.062 R)
• M5: 693,985 km (0.086 R)
• M6: 844,779 km (0.096 R)
• M7: 1,169,706 km (0.057 R)
• M8: 2,893,821 km (0.071 R)
• M9: 3,552,501 km (0.116 R)
• M10: 4,228,384 km (0.104 R)
• M11: 4,705,751 km (0.063 R)
• M12: 5,043,243 km (0.073 R)
• M13: 5,735,134 km (0.093 R)
• M14: 6,087,437 km (0.044 R)
• M15: 6,764,517 km (0.117 R)
• M16: 7,012,999 km (0.071 R)
• M17: 8,633,443 km (0.106 R)
• M18: 11,307,654 km (0.093 R)
• M19: 15,995,752 km (0.106 R)
• M20: 18,348,927 km (0.1 R)
• M21: 20,699,857 km (0.088 R)
• M22: 23,565,704 km (0.097 R)
• M23: 23,890,481 km (0.088 R)
• M24: 24,799,138 km (0.103 R)
• M25: 27,126,582 km (0.12 R)
• M26: 27,393,764 km (0.087 R)
• M27: 28,206,080 km (0.073 R)
• M28: 32,710,622 km (0.063 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 18,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit