🌌 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: 946.6

Radius: 12.1

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.44 AU - 0.72 AU

Year: 295 Days

Day: 12.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,530,566 km

• M1: 150,495 km (0.103 R)
• M2: 882,029 km (0.066 R)
• M3: 1,718,132 km (0.108 R)
• M4: 2,468,664 km (0.029 R)
• M5: 2,905,191 km (0.1 R)
• M6: 4,011,168 km (0.063 R)
• M7: 4,387,406 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.7

Radius: 14.2

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.57 AU - 0.63 AU

Year: 310 Days

Day: 9.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,530,566 km

• M1: 176,525 km (0.116 R)
• M2: 669,002 km (0.096 R)
• M3: 1,234,182 km (0.118 R)
• M4: 1,854,864 km (0.058 R)
• M5: 2,348,986 km (0.089 R)
• M6: 2,996,894 km (0.114 R)
• M7: 3,851,397 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.2

Radius: 10.1

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.86 AU - 1.16 AU

Year: 677 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,530,566 km

• M1: 125,662 km (0.117 R)
• M2: 471,682 km (0.069 R)
• M3: 1,200,673 km (0.079 R)
• M4: 1,645,128 km (0.083 R)
• M5: 2,022,713 km (0.103 R)
• M6: 2,341,057 km (0.041 R)
• M7: 2,798,378 km (0.032 R)
• M8: 3,328,253 km (0.111 R)
• M9: 4,263,240 km (0.107 R)
• M10: 4,757,960 km (0.099 R)
• M11: 5,439,229 km (0.112 R)
• M12: 5,961,774 km (0.104 R)
• M13: 7,852,542 km (0.117 R)
• M14: 8,219,356 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.6

Radius: 8.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.1 AU - 1.7 AU

Year: 1105 Days

Day: 8.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,530,566 km

• M1: 103,223 km (0.085 R)
• M2: 607,367 km (0.072 R)
• M3: 936,034 km (0.118 R)
• M4: 1,197,980 km (0.086 R)
• M5: 1,471,594 km (0.036 R)
• M6: 1,875,658 km (0.091 R)
• M7: 3,094,432 km (0.104 R)
• M8: 4,014,160 km (0.101 R)
• M9: 5,341,841 km (0.119 R)
• M10: 6,361,949 km (0.087 R)
• M11: 7,185,784 km (0.058 R)
• M12: 7,885,005 km (0.047 R)
• M13: 8,375,835 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.1

Radius: 10.1

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.73 AU - 1.77 AU

Year: 1544 Days

Day: 5.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,530,566 km

• M1: 125,662 km (0.107 R)
• M2: 515,664 km (0.044 R)
• M3: 1,064,389 km (0.084 R)
• M4: 1,441,974 km (0.075 R)
• M5: 1,898,397 km (0.109 R)
• M6: 2,679,298 km (0.12 R)
• M7: 3,135,871 km (0.111 R)
• M8: 3,678,462 km (0.104 R)
• M9: 4,037,198 km (0.091 R)
• M10: 5,345,282 km (0.05 R)
• M11: 6,072,178 km (0.081 R)
• M12: 6,421,339 km (0.083 R)
• M13: 6,836,922 km (0.078 R)
• M14: 7,837,881 km (0.109 R)
• M15: 8,252,567 km (0.115 R)
• M16: 8,775,710 km (0.119 R)
• M17: 9,820,502 km (0.112 R)
• M18: 11,999,844 km (0.03 R)
• M19: 12,551,411 km (0.093 R)
• M20: 14,264,606 km (0.105 R)
• M21: 15,154,414 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753

Radius: 11.6

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.53 AU - 2.03 AU

Year: 1584 Days

Day: 8.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,530,566 km

• M1: 144,811 km (0.118 R)
• M2: 563,086 km (0.114 R)
• M3: 1,576,313 km (0.056 R)
• M4: 2,125,337 km (0.097 R)
• M5: 2,799,126 km (0.048 R)
• M6: 4,044,977 km (0.062 R)
• M7: 5,019,457 km (0.117 R)
• M8: 5,384,476 km (0.107 R)
• M9: 11,862,513 km (0.06 R)
• M10: 13,067,075 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.9

Radius: 8.1

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.84 AU - 2.14 AU

Year: 1872 Days

Day: 10.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,530,566 km

• M1: 100,829 km (0.106 R)
• M2: 426,354 km (0.099 R)
• M3: 714,479 km (0.072 R)
• M4: 1,175,540 km (0.106 R)
• M5: 2,297,823 km (0.096 R)
• M6: 3,595,585 km (0.044 R)
• M7: 4,773,518 km (0.085 R)
• M8: 5,346,927 km (0.113 R)
• M9: 6,139,796 km (0.096 R)
• M10: 7,897,571 km (0.044 R)
• M11: 8,169,241 km (0.117 R)
• M12: 10,391,966 km (0.118 R)
• M13: 10,645,235 km (0.046 R)
• M14: 11,051,692 km (0.094 R)
• M15: 12,373,838 km (0.089 R)
• M16: 14,550,188 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.9

Radius: 8.3

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.79 AU - 2.35 AU

Year: 1986 Days

Day: 11.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,530,566 km

• M1: 103,671 km (0.103 R)
• M2: 515,514 km (0.031 R)
• M3: 994,676 km (0.091 R)
• M4: 1,285,495 km (0.087 R)
• M5: 1,562,999 km (0.091 R)
• M6: 1,836,015 km (0.102 R)
• M7: 2,203,726 km (0.061 R)
• M8: 2,493,946 km (0.04 R)
• M9: 3,921,559 km (0.077 R)
• M10: 4,597,442 km (0.1 R)
• M11: 5,465,708 km (0.094 R)
• M12: 7,178,155 km (0.071 R)
• M13: 7,911,483 km (0.043 R)
• M14: 8,438,068 km (0.067 R)
• M15: 9,120,683 km (0.103 R)
• M16: 10,016,026 km (0.091 R)
• M17: 10,302,955 km (0.068 R)
• M18: 10,743,670 km (0.11 R)
• M19: 11,158,655 km (0.065 R)
• M20: 11,584,410 km (0.099 R)
• M21: 12,222,744 km (0.09 R)
• M22: 13,310,022 km (0.083 R)
• M23: 14,505,907 km (0.075 R)
• M24: 15,200,490 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.3

Radius: 9.4

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.93 AU - 6.45 AU

Year: 7885 Days

Day: 5.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,530,566 km

• M1: 116,836 km (0.032 R)
• M2: 579,243 km (0.103 R)
• M3: 906,713 km (0.079 R)
• M4: 1,254,229 km (0.056 R)
• M5: 2,594,326 km (0.069 R)
• M6: 3,043,868 km (0.049 R)
• M7: 5,287,238 km (0.109 R)
• M8: 5,708,056 km (0.096 R)
• M9: 6,046,746 km (0.066 R)
• M10: 6,915,012 km (0.113 R)
• M11: 8,413,384 km (0.116 R)
• M12: 10,513,738 km (0.116 R)
• M13: 10,920,794 km (0.104 R)
• M14: 11,391,130 km (0.049 R)
• M15: 11,766,321 km (0.066 R)
• M16: 14,944,079 km (0.117 R)
• M17: 15,393,920 km (0.101 R)
• M18: 18,213,092 km (0.042 R)
• M19: 19,249,805 km (0.034 R)
• M20: 22,428,162 km (0.109 R)
• M21: 25,665,011 km (0.049 R)
• M22: 27,826,850 km (0.116 R)
• M23: 31,660,145 km (0.1 R)
• M24: 38,048,423 km (0.067 R)
• M25: 38,887,817 km (0.11 R)
• M26: 40,977,550 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 12,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit