🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.7

Radius: 10

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.96 AU - 1.16 AU

Year: 705 Days

Day: 11.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,291,219 km

• M1: 124,316 km (0.073 R)
• M2: 451,038 km (0.109 R)
• M3: 921,224 km (0.061 R)
• M4: 1,386,623 km (0.03 R)
• M5: 2,788,205 km (0.056 R)
• M6: 3,138,563 km (0.117 R)
• M7: 3,627,150 km (0.085 R)
• M8: 3,954,470 km (0.096 R)
• M9: 4,596,843 km (0.044 R)
• M10: 5,011,828 km (0.071 R)
• M11: 5,467,802 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.2

Radius: 8.9

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.08 AU - 4.08 AU

Year: 4374 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,291,219 km

• M1: 132,993 km (0.114 R)
• M2: 565,929 km (0.104 R)
• M3: 1,007,542 km (0.116 R)
• M4: 1,336,807 km (0.102 R)
• M5: 4,270,271 km (0.093 R)
• M6: 6,251,246 km (0.101 R)
• M7: 9,318,751 km (0.098 R)
• M8: 9,728,798 km (0.108 R)
• M9: 10,990,357 km (0.105 R)
• M10: 14,467,760 km (0.117 R)
• M11: 17,415,287 km (0.088 R)
• M12: 17,866,623 km (0.116 R)
• M13: 18,441,827 km (0.101 R)
• M14: 20,930,088 km (0.095 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.5

Radius: 4.4

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.02 AU - 8.04 AU

Year: 12035 Days

Day: 19.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,291,219 km

• M1: 54,753 km (0.082 R)
• M2: 263,591 km (0.058 R)
• M3: 636,838 km (0.105 R)
• M4: 905,516 km (0.118 R)
• M5: 1,173,745 km (0.1 R)
• M6: 2,835,628 km (0.078 R)
• M7: 5,088,871 km (0.073 R)
• M8: 6,230,751 km (0.118 R)
• M9: 6,598,313 km (0.044 R)
• M10: 7,660,009 km (0.119 R)
• M11: 8,248,079 km (0.065 R)
• M12: 11,229,714 km (0.04 R)
• M13: 13,745,651 km (0.026 R)
• M14: 13,887,619 km (0.061 R)
• M15: 15,616,821 km (0.093 R)
• M16: 17,875,150 km (0.076 R)
• M17: 19,199,690 km (0.059 R)
• M18: 20,588,257 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.1

Radius: 5.3

Gravity: 22.72 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.27 AU - 9.43 AU

Year: 14201 Days

Day: 21.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,291,219 km

• M1: 68,965 km (0.119 R)
• M2: 446,101 km (0.096 R)
• M3: 661,223 km (0.118 R)
• M4: 1,080,545 km (0.051 R)
• M5: 1,965,716 km (0.104 R)
• M6: 2,868,539 km (0.082 R)
• M7: 3,131,831 km (0.091 R)
• M8: 4,048,866 km (0.085 R)
• M9: 4,227,636 km (0.091 R)
• M10: 4,411,791 km (0.058 R)
• M11: 5,132,853 km (0.061 R)
• M12: 5,342,439 km (0.066 R)
• M13: 6,082,949 km (0.115 R)
• M14: 9,265,643 km (0.117 R)
• M15: 11,893,480 km (0.106 R)
• M16: 12,447,889 km (0.116 R)
• M17: 13,875,203 km (0.063 R)
• M18: 14,145,975 km (0.1 R)
• M19: 18,154,599 km (0.116 R)
• M20: 19,389,380 km (0.113 R)
• M21: 20,767,176 km (0.099 R)
• M22: 36,219,440 km (0.095 R)
• M23: 40,739,390 km (0.098 R)
• M24: 49,135,421 km (0.055 R)
• M25: 51,038,754 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.2

Radius: 5.5

Gravity: 32.67 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.09 AU - 10.09 AU

Year: 14857 Days

Day: 20.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,291,219 km

• M1: 71,657 km (0.1 R)
• M2: 270,174 km (0.036 R)
• M3: 559,346 km (0.063 R)
• M4: 768,634 km (0.073 R)
• M5: 1,156,092 km (0.085 R)
• M6: 2,464,625 km (0.078 R)
• M7: 2,693,360 km (0.045 R)
• M8: 3,783,629 km (0.103 R)
• M9: 4,312,159 km (0.062 R)
• M10: 5,907,470 km (0.034 R)
• M11: 8,205,593 km (0.09 R)
• M12: 8,822,086 km (0.116 R)
• M13: 10,262,863 km (0.103 R)
• M14: 16,696,918 km (0.093 R)
• M15: 17,185,953 km (0.082 R)
• M16: 17,937,383 km (0.098 R)
• M17: 21,352,553 km (0.026 R)
• M18: 23,111,824 km (0.12 R)
• M19: 27,701,038 km (0.074 R)
• M20: 28,965,589 km (0.067 R)
• M21: 34,018,107 km (0.083 R)
• M22: 34,803,645 km (0.097 R)
• M23: 39,197,933 km (0.114 R)
• M24: 43,181,725 km (0.098 R)
• M25: 43,794,029 km (0.049 R)
• M26: 50,407,003 km (0.089 R)
• M27: 51,256,419 km (0.052 R)
• M28: 53,685,290 km (0.032 R)
• M29: 54,749,230 km (0.098 R)
• M30: 63,970,443 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.6

Radius: 5

Gravity: 28.86 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.3 AU - 9.1 AU

Year: 16569 Days

Day: 17.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,291,219 km

• M1: 62,233 km (0.044 R)
• M2: 287,826 km (0.073 R)
• M3: 453,431 km (0.093 R)
• M4: 870,809 km (0.097 R)
• M5: 2,361,402 km (0.1 R)
• M6: 4,203,551 km (0.045 R)
• M7: 4,428,845 km (0.086 R)
• M8: 8,642,119 km (0.089 R)
• M9: 12,965,647 km (0.095 R)
• M10: 13,791,876 km (0.117 R)
• M11: 14,652,812 km (0.108 R)
• M12: 16,323,072 km (0.053 R)
• M13: 17,041,591 km (0.051 R)
• M14: 18,116,153 km (0.088 R)
• M15: 19,235,294 km (0.075 R)
• M16: 21,896,341 km (0.088 R)
• M17: 23,868,191 km (0.074 R)
• M18: 26,495,578 km (0.093 R)
• M19: 30,968,854 km (0.069 R)
• M20: 33,957,969 km (0.095 R)
• M21: 37,819,239 km (0.086 R)
• M22: 38,095,846 km (0.091 R)
• M23: 44,374,319 km (0.104 R)
• M24: 46,558,298 km (0.104 R)
• M25: 50,634,690 km (0.116 R)
• M26: 53,364,702 km (0.113 R)
• M27: 68,086,778 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 18,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit