🌌 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: 391.5

Radius: 13.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.58 AU - 0.64 AU

Year: 329 Days

Day: 12 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,114,161 km

• M1: 167,849 km (0.115 R)
• M2: 592,856 km (0.088 R)
• M3: 1,165,667 km (0.109 R)
• M4: 1,976,188 km (0.06 R)
• M5: 2,546,904 km (0.117 R)
• M6: 2,984,178 km (0.094 R)
• M7: 3,524,675 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.9

Radius: 14.9

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.59 AU - 0.75 AU

Year: 379 Days

Day: 14.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,114,161 km

• M1: 185,501 km (0.045 R)
• M2: 693,985 km (0.101 R)
• M3: 1,718,132 km (0.087 R)
• M4: 2,186,223 km (0.109 R)
• M5: 2,731,657 km (0.05 R)
• M6: 3,489,221 km (0.111 R)
• M7: 4,650,399 km (0.041 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.2

Radius: 7.7

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.33 AU - 6.65 AU

Year: 10119 Days

Day: 22.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 89,114,161 km

• M1: 99,333 km (0.09 R)
• M2: 397,332 km (0.105 R)
• M3: 730,187 km (0.102 R)
• M4: 1,113,756 km (0.049 R)
• M5: 1,922,781 km (0.084 R)
• M6: 2,565,603 km (0.07 R)
• M7: 3,252,856 km (0.098 R)
• M8: 4,136,232 km (0.111 R)
• M9: 4,779,054 km (0.058 R)
• M10: 5,295,615 km (0.115 R)
• M11: 8,714,824 km (0.095 R)
• M12: 11,852,490 km (0.077 R)
• M13: 12,627,407 km (0.106 R)
• M14: 12,969,687 km (0.07 R)
• M15: 14,155,549 km (0.098 R)
• M16: 15,027,555 km (0.069 R)
• M17: 15,672,023 km (0.057 R)
• M18: 16,741,199 km (0.094 R)
• M19: 17,223,951 km (0.113 R)
• M20: 19,702,040 km (0.05 R)
• M21: 22,910,316 km (0.084 R)
• M22: 24,815,444 km (0.111 R)
• M23: 27,389,725 km (0.08 R)
• M24: 28,839,478 km (0.116 R)
• M25: 29,934,684 km (0.048 R)
• M26: 30,543,696 km (0.06 R)
• M27: 35,376,755 km (0.103 R)
• M28: 36,286,160 km (0.067 R)
• M29: 39,349,626 km (0.115 R)
• M30: 40,080,262 km (0.093 R)
• M31: 40,325,901 km (0.036 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.1

Radius: 5.2

Gravity: 20.53 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.55 AU - 9.21 AU

Year: 15269 Days

Day: 23.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 72.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,114,161 km

• M1: 64,626 km (0.113 R)
• M2: 967,449 km (0.115 R)
• M3: 3,111,785 km (0.091 R)
• M4: 4,418,672 km (0.081 R)
• M5: 5,315,811 km (0.034 R)
• M6: 7,778,640 km (0.095 R)
• M7: 8,976,919 km (0.118 R)
• M8: 9,912,505 km (0.088 R)
• M9: 11,975,609 km (0.099 R)
• M10: 16,021,633 km (0.084 R)
• M11: 21,519,355 km (0.082 R)
• M12: 24,539,586 km (0.079 R)
• M13: 29,470,182 km (0.115 R)
• M14: 30,370,313 km (0.057 R)
• M15: 34,277,360 km (0.047 R)
• M16: 34,524,496 km (0.094 R)
• M17: 52,106,135 km (0.06 R)
• M18: 55,434,089 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.7

Radius: 3.1

Gravity: 100.28 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.34 AU - 10.58 AU

Year: 18513 Days

Day: 19.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,114,161 km

• M1: 38,596 km (0.068 R)
• M2: 143,315 km (0.104 R)
• M3: 255,962 km (0.118 R)
• M4: 357,838 km (0.114 R)
• M5: 526,435 km (0.119 R)
• M6: 756,516 km (0.074 R)
• M7: 1,116,000 km (0.081 R)
• M8: 1,951,953 km (0.103 R)
• M9: 2,335,073 km (0.107 R)
• M10: 2,894,719 km (0.104 R)
• M11: 3,136,319 km (0.089 R)
• M12: 3,629,095 km (0.112 R)
• M13: 3,974,367 km (0.093 R)
• M14: 6,295,826 km (0.081 R)
• M15: 7,316,233 km (0.047 R)
• M16: 8,989,785 km (0.068 R)
• M17: 9,560,950 km (0.116 R)
• M18: 12,294,402 km (0.118 R)
• M19: 14,482,420 km (0.116 R)
• M20: 14,870,776 km (0.109 R)
• M21: 15,186,278 km (0.08 R)
• M22: 16,077,134 km (0.04 R)
• M23: 18,410,262 km (0.114 R)
• M24: 18,682,680 km (0.107 R)
• M25: 19,235,444 km (0.075 R)
• M26: 26,397,292 km (0.026 R)
• M27: 27,210,058 km (0.102 R)
• M28: 28,642,008 km (0.095 R)
• M29: 34,734,082 km (0.076 R)
• M30: 35,428,815 km (0.076 R)
• M31: 35,568,988 km (0.081 R)
• M32: 42,418,925 km (0.095 R)
• M33: 45,984,889 km (0.077 R)
• M34: 48,183,081 km (0.079 R)
• M35: 49,920,959 km (0.074 R)
• M36: 54,821,187 km (0.06 R)
• M37: 61,839,870 km (0.084 R)
• M38: 65,352,877 km (0.106 R)
• M39: 74,367,495 km (0.112 R)
• M40: 78,098,765 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.6

Radius: 6.1

Gravity: 26.46 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.69 AU - 11.89 AU

Year: 21144 Days

Day: 17.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 89,114,161 km

• M1: 75,996 km (0.087 R)
• M2: 294,857 km (0.077 R)
• M3: 586,573 km (0.098 R)
• M4: 1,202,168 km (0.054 R)
• M5: 1,732,792 km (0.059 R)
• M6: 2,858,815 km (0.114 R)
• M7: 3,048,505 km (0.047 R)
• M8: 3,334,088 km (0.103 R)
• M9: 3,796,046 km (0.074 R)
• M10: 4,808,973 km (0.044 R)
• M11: 5,357,549 km (0.117 R)
• M12: 7,764,429 km (0.089 R)
• M13: 10,487,110 km (0.103 R)
• M14: 14,728,658 km (0.09 R)
• M15: 15,379,708 km (0.12 R)
• M16: 20,989,628 km (0.091 R)
• M17: 24,191,023 km (0.114 R)
• M18: 26,497,224 km (0.081 R)
• M19: 27,703,431 km (0.1 R)
• M20: 30,878,496 km (0.085 R)
• M21: 33,586,966 km (0.113 R)
• M22: 34,429,352 km (0.101 R)
• M23: 37,789,320 km (0.096 R)
• M24: 41,361,567 km (0.096 R)
• M25: 41,682,455 km (0.038 R)
• M26: 42,491,929 km (0.104 R)
• M27: 46,178,320 km (0.037 R)
• M28: 49,168,781 km (0.109 R)
• M29: 56,907,030 km (0.113 R)
• M30: 58,103,364 km (0.096 R)
• M31: 58,707,889 km (0.06 R)
• M32: 58,910,295 km (0.091 R)
• M33: 62,422,853 km (0.12 R)
• M34: 66,511,064 km (0.108 R)
• M35: 68,732,891 km (0.091 R)
• M36: 70,317,133 km (0.056 R)
• M37: 70,545,569 km (0.083 R)
• M38: 76,415,041 km (0.102 R)
• M39: 79,592,051 km (0.049 R)
• M40: 80,837,154 km (0.045 R)
• M41: 81,087,581 km (0.116 R)
• M42: 81,590,230 km (0.114 R)
• M43: 84,392,048 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 17,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit