🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.2

Radius: 10

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.53 AU - 0.69 AU

Year: 335 Days

Day: 9.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,112,879 km

• M1: 124,465 km (0.088 R)
• M2: 441,314 km (0.089 R)
• M3: 917,334 km (0.109 R)
• M4: 1,278,613 km (0.081 R)
• M5: 1,642,285 km (0.115 R)
• M6: 2,053,680 km (0.103 R)
• M7: 2,800,472 km (0.082 R)
• M8: 3,291,602 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.5

Radius: 11.5

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.73 AU - 0.83 AU

Year: 484 Days

Day: 14.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,112,879 km

• M1: 143,315 km (0.066 R)
• M2: 509,530 km (0.118 R)
• M3: 1,020,407 km (0.096 R)
• M4: 1,445,115 km (0.091 R)
• M5: 2,222,576 km (0.07 R)
• M6: 2,645,040 km (0.094 R)
• M7: 3,441,200 km (0.098 R)
• M8: 4,120,823 km (0.099 R)
• M9: 5,190,897 km (0.079 R)
• M10: 5,677,987 km (0.118 R)
• M11: 6,104,042 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483

Radius: 11.5

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.67 AU - 1.73 AU

Year: 1558 Days

Day: 7.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,112,879 km

• M1: 143,016 km (0.109 R)
• M2: 550,670 km (0.067 R)
• M3: 924,515 km (0.099 R)
• M4: 1,443,320 km (0.1 R)
• M5: 1,840,054 km (0.111 R)
• M6: 2,428,123 km (0.117 R)
• M7: 2,887,239 km (0.116 R)
• M8: 3,685,344 km (0.075 R)
• M9: 4,513,069 km (0.077 R)
• M10: 5,131,057 km (0.055 R)
• M11: 5,502,958 km (0.09 R)
• M12: 6,371,074 km (0.059 R)
• M13: 6,801,617 km (0.04 R)
• M14: 8,018,147 km (0.089 R)
• M15: 8,606,366 km (0.086 R)
• M16: 9,313,814 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.4

Radius: 9.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.15 AU - 3.55 AU

Year: 3382 Days

Day: 7.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,112,879 km

• M1: 121,922 km (0.061 R)
• M2: 468,092 km (0.109 R)
• M3: 796,609 km (0.119 R)
• M4: 1,204,113 km (0.034 R)
• M5: 1,646,325 km (0.052 R)
• M6: 2,038,421 km (0.119 R)
• M7: 2,658,653 km (0.079 R)
• M8: 3,349,945 km (0.115 R)
• M9: 4,432,435 km (0.11 R)
• M10: 5,289,332 km (0.088 R)
• M11: 5,903,132 km (0.113 R)
• M12: 8,747,137 km (0.054 R)
• M13: 9,169,751 km (0.103 R)
• M14: 9,811,676 km (0.1 R)
• M15: 11,337,125 km (0.109 R)
• M16: 12,438,315 km (0.047 R)
• M17: 12,973,127 km (0.049 R)
• M18: 14,088,679 km (0.067 R)
• M19: 14,670,016 km (0.039 R)
• M20: 15,081,709 km (0.066 R)
• M21: 15,689,974 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.8

Radius: 12.3

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.79 AU - 3.41 AU

Year: 3837 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,112,879 km

• M1: 153,039 km (0.11 R)
• M2: 552,914 km (0.106 R)
• M3: 1,160,879 km (0.099 R)
• M4: 1,554,471 km (0.097 R)
• M5: 2,206,120 km (0.087 R)
• M6: 2,638,158 km (0.105 R)
• M7: 3,033,845 km (0.095 R)
• M8: 6,414,906 km (0.047 R)
• M9: 7,736,903 km (0.111 R)
• M10: 8,493,868 km (0.119 R)
• M11: 9,036,160 km (0.05 R)
• M12: 9,910,410 km (0.074 R)
• M13: 10,404,083 km (0.044 R)
• M14: 12,222,595 km (0.079 R)
• M15: 13,334,257 km (0.093 R)
• M16: 14,919,695 km (0.071 R)
• M17: 15,853,036 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.6

Radius: 13.8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.29 AU - 4.41 AU

Year: 6377 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,112,879 km

• M1: 171,738 km (0.069 R)
• M2: 601,234 km (0.08 R)
• M3: 1,122,283 km (0.108 R)
• M4: 1,749,697 km (0.072 R)
• M5: 2,187,570 km (0.09 R)
• M6: 2,934,661 km (0.088 R)
• M7: 4,853,853 km (0.111 R)
• M8: 5,799,909 km (0.041 R)
• M9: 6,865,645 km (0.109 R)
• M10: 7,580,872 km (0.07 R)
• M11: 8,017,399 km (0.103 R)
• M12: 8,639,875 km (0.089 R)
• M13: 9,934,795 km (0.078 R)
• M14: 10,801,415 km (0.11 R)
• M15: 12,411,537 km (0.098 R)
• M16: 12,851,953 km (0.065 R)
• M17: 13,705,858 km (0.092 R)
• M18: 17,231,730 km (0.07 R)
• M19: 18,697,340 km (0.064 R)
• M20: 19,645,192 km (0.112 R)
• M21: 21,243,945 km (0.088 R)
• M22: 21,955,133 km (0.097 R)
• M23: 22,438,035 km (0.042 R)
• M24: 24,526,870 km (0.116 R)
• M25: 25,221,752 km (0.08 R)
• M26: 27,758,184 km (0.099 R)
• M27: 29,088,259 km (0.117 R)
• M28: 32,807,561 km (0.071 R)
• M29: 36,047,253 km (0.11 R)
• M30: 36,946,037 km (0.116 R)
• M31: 39,494,586 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.6

Radius: 4.9

Gravity: 11.65 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.78 AU - 9.1 AU

Year: 17235 Days

Day: 25 Hours

Environment

Temp: -226 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 51,112,879 km

• M1: 61,036 km (0.099 R)
• M2: 247,435 km (0.109 R)
• M3: 416,630 km (0.115 R)
• M4: 1,032,674 km (0.061 R)
• M5: 1,242,710 km (0.097 R)
• M6: 1,398,441 km (0.107 R)
• M7: 2,403,290 km (0.09 R)
• M8: 4,263,240 km (0.06 R)
• M9: 5,030,079 km (0.086 R)
• M10: 8,647,655 km (0.105 R)
• M11: 9,074,607 km (0.09 R)
• M12: 9,366,921 km (0.06 R)
• M13: 10,334,071 km (0.103 R)
• M14: 11,088,194 km (0.032 R)
• M15: 11,648,737 km (0.079 R)
• M16: 13,256,615 km (0.101 R)
• M17: 14,016,423 km (0.112 R)
• M18: 14,407,173 km (0.079 R)
• M19: 16,832,004 km (0.111 R)
• M20: 20,581,077 km (0.056 R)
• M21: 21,944,960 km (0.096 R)
• M22: 22,295,019 km (0.029 R)
• M23: 24,287,813 km (0.093 R)
• M24: 25,231,476 km (0.093 R)
• M25: 28,312,444 km (0.096 R)
• M26: 29,146,452 km (0.069 R)
• M27: 31,082,398 km (0.104 R)
• M28: 37,526,476 km (0.029 R)
• M29: 38,659,231 km (0.072 R)
• M30: 39,685,024 km (0.083 R)
• M31: 40,074,278 km (0.084 R)
• M32: 41,257,597 km (0.093 R)
• M33: 46,080,632 km (0.112 R)
• M34: 48,998,539 km (0.099 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 12,892 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit