🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.8

Radius: 8.7

Gravity: 13.04 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.7 AU - 0.7 AU

Year: 378 Days

Day: 6.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,450,121 km

• M1: 108,159 km (0.052 R)
• M2: 380,727 km (0.093 R)
• M3: 884,273 km (0.079 R)
• M4: 1,171,651 km (0.096 R)
• M5: 1,474,736 km (0.067 R)
• M6: 1,761,066 km (0.079 R)
• M7: 2,084,796 km (0.066 R)
• M8: 2,565,454 km (0.098 R)
• M9: 2,940,197 km (0.087 R)
• M10: 3,244,927 km (0.064 R)
• M11: 4,388,753 km (0.095 R)
• M12: 5,277,065 km (0.086 R)
• M13: 5,643,729 km (0.119 R)
• M14: 6,098,956 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.2

Radius: 10.3

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.66 AU - 0.76 AU

Year: 386 Days

Day: 11.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 27,450,121 km

• M1: 128,056 km (0.074 R)
• M2: 459,714 km (0.096 R)
• M3: 902,973 km (0.078 R)
• M4: 1,255,126 km (0.067 R)
• M5: 1,695,542 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.7

Radius: 12

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.13 AU - 1.77 AU

Year: 1127 Days

Day: 14.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,450,121 km

• M1: 149,299 km (0.096 R)
• M2: 537,206 km (0.064 R)
• M3: 1,010,384 km (0.085 R)
• M4: 1,579,006 km (0.111 R)
• M5: 3,099,219 km (0.076 R)
• M6: 3,645,102 km (0.119 R)
• M7: 4,776,810 km (0.116 R)
• M8: 6,292,086 km (0.085 R)
• M9: 6,797,428 km (0.111 R)
• M10: 7,865,557 km (0.114 R)
• M11: 8,578,540 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.3

Radius: 10

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.03 AU - 2.93 AU

Year: 2522 Days

Day: 8.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,450,121 km

• M1: 124,316 km (0.094 R)
• M2: 577,149 km (0.103 R)
• M3: 911,949 km (0.08 R)
• M4: 1,303,596 km (0.11 R)
• M5: 1,642,734 km (0.113 R)
• M6: 2,018,075 km (0.091 R)
• M7: 2,668,676 km (0.111 R)
• M8: 3,160,405 km (0.094 R)
• M9: 3,606,805 km (0.08 R)
• M10: 4,094,943 km (0.105 R)
• M11: 4,484,645 km (0.102 R)
• M12: 4,899,031 km (0.067 R)
• M13: 6,272,489 km (0.071 R)
• M14: 7,255,497 km (0.085 R)
• M15: 8,276,951 km (0.096 R)
• M16: 9,095,850 km (0.114 R)
• M17: 10,247,005 km (0.097 R)
• M18: 11,684,042 km (0.093 R)
• M19: 12,191,628 km (0.119 R)
• M20: 13,292,968 km (0.116 R)
• M21: 13,846,330 km (0.031 R)
• M22: 14,592,973 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.1

Radius: 14.3

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.56 AU - 3.86 AU

Year: 3713 Days

Day: 7.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 81.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,450,121 km

• M1: 177,872 km (0.047 R)
• M2: 664,514 km (0.098 R)
• M3: 1,132,605 km (0.101 R)
• M4: 1,703,471 km (0.089 R)
• M5: 2,436,201 km (0.118 R)
• M6: 3,225,180 km (0.104 R)
• M7: 4,029,269 km (0.111 R)
• M8: 4,988,042 km (0.117 R)
• M9: 5,789,737 km (0.068 R)
• M10: 6,645,885 km (0.111 R)
• M11: 7,454,761 km (0.093 R)
• M12: 8,539,495 km (0.045 R)
• M13: 10,605,591 km (0.114 R)
• M14: 11,149,230 km (0.065 R)
• M15: 13,081,287 km (0.112 R)
• M16: 13,707,055 km (0.111 R)
• M17: 14,151,959 km (0.103 R)
• M18: 14,606,437 km (0.072 R)
• M19: 15,758,789 km (0.116 R)
• M20: 16,467,734 km (0.106 R)
• M21: 17,542,146 km (0.061 R)
• M22: 18,662,634 km (0.082 R)
• M23: 20,209,176 km (0.1 R)
• M24: 22,997,381 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.5

Radius: 9.2

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.92 AU - 5.04 AU

Year: 6123 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,450,121 km

• M1: 115,041 km (0.078 R)
• M2: 515,365 km (0.065 R)
• M3: 1,056,011 km (0.094 R)
• M4: 1,484,460 km (0.097 R)
• M5: 2,068,639 km (0.114 R)
• M6: 2,763,970 km (0.117 R)
• M7: 3,052,694 km (0.094 R)
• M8: 3,734,561 km (0.084 R)
• M9: 6,060,060 km (0.084 R)
• M10: 6,646,035 km (0.052 R)
• M11: 7,002,228 km (0.073 R)
• M12: 7,508,467 km (0.105 R)
• M13: 8,518,701 km (0.09 R)
• M14: 9,698,879 km (0.106 R)
• M15: 10,895,662 km (0.095 R)
• M16: 11,529,657 km (0.086 R)
• M17: 12,526,578 km (0.07 R)
• M18: 14,207,759 km (0.083 R)
• M19: 15,352,930 km (0.073 R)
• M20: 16,795,054 km (0.068 R)
• M21: 18,962,727 km (0.035 R)
• M22: 20,963,898 km (0.093 R)
• M23: 24,452,370 km (0.059 R)
• M24: 27,806,803 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.5

Radius: 9.9

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.34 AU - 5.36 AU

Year: 6896 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 27,450,121 km

• M1: 123,418 km (0.073 R)
• M2: 473,328 km (0.111 R)
• M3: 860,936 km (0.107 R)
• M4: 1,707,061 km (0.092 R)
• M5: 2,220,930 km (0.027 R)
• M6: 2,596,720 km (0.059 R)
• M7: 3,899,418 km (0.073 R)
• M8: 4,719,364 km (0.104 R)
• M9: 5,510,288 km (0.031 R)
• M10: 6,144,583 km (0.079 R)
• M11: 7,186,532 km (0.12 R)
• M12: 7,802,277 km (0.09 R)
• M13: 8,159,367 km (0.113 R)
• M14: 8,602,326 km (0.102 R)
• M15: 9,496,323 km (0.055 R)
• M16: 10,280,366 km (0.106 R)
• M17: 12,892,644 km (0.088 R)
• M18: 13,596,352 km (0.058 R)
• M19: 14,219,726 km (0.107 R)
• M20: 16,669,541 km (0.067 R)
• M21: 20,851,998 km (0.113 R)
• M22: 21,541,345 km (0.112 R)
• M23: 22,245,951 km (0.073 R)
• M24: 23,257,831 km (0.104 R)
• M25: 24,224,832 km (0.1 R)
• M26: 27,204,971 km (0.084 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 13,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit