🌌 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: 944.2

Radius: 14.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.58 AU - 0.64 AU

Year: 329 Days

Day: 5.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 7,985,826 km

• M1: 184,155 km (0.101 R)
• M2: 301,589 km (0.036 R)
• M3: 423,512 km (0.073 R)
• M4: 516,412 km (0.107 R)
• M5: 622,327 km (0.085 R)
• M6: 760,107 km (0.089 R)
• M7: 865,424 km (0.094 R)
• M8: 1,001,857 km (0.086 R)
• M9: 1,164,470 km (0.095 R)
• M10: 1,270,385 km (0.115 R)
• M11: 1,374,954 km (0.111 R)
• M12: 1,497,624 km (0.098 R)
• M13: 1,655,300 km (0.092 R)
• M14: 1,754,783 km (0.05 R)
• M15: 1,899,893 km (0.104 R)
• M16: 1,999,076 km (0.07 R)
• M17: 2,145,383 km (0.099 R)
• M18: 2,272,092 km (0.045 R)
• M19: 2,366,040 km (0.108 R)
• M20: 2,637,111 km (0.075 R)
• M21: 2,874,224 km (0.069 R)
• M22: 3,047,159 km (0.097 R)
• M23: 3,170,876 km (0.062 R)
• M24: 3,349,796 km (0.086 R)
• M25: 3,518,392 km (0.096 R)
• M26: 3,850,350 km (0.071 R)
• M27: 3,984,539 km (0.117 R)
• M28: 4,120,374 km (0.077 R)
• M29: 4,221,502 km (0.079 R)
• M30: 4,507,683 km (0.107 R)
• M31: 4,694,531 km (0.117 R)
• M32: 4,815,406 km (0.113 R)
• M33: 4,914,440 km (0.084 R)
• M34: 5,068,226 km (0.119 R)
• M35: 5,169,055 km (0.115 R)
• M36: 5,270,483 km (0.112 R)
• M37: 5,380,587 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.6

Radius: 8.7

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.23 AU - 1.27 AU

Year: 965 Days

Day: 11.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 7,985,826 km

• M1: 112,198 km (0.117 R)
• M2: 182,509 km (0.092 R)
• M3: 241,451 km (0.078 R)
• M4: 418,724 km (0.114 R)
• M5: 560,094 km (0.111 R)
• M6: 629,657 km (0.073 R)
• M7: 702,362 km (0.119 R)
• M8: 767,138 km (0.11 R)
• M9: 828,323 km (0.113 R)
• M10: 914,791 km (0.105 R)
• M11: 1,022,801 km (0.094 R)
• M12: 1,109,867 km (0.058 R)
• M13: 1,186,610 km (0.101 R)
• M14: 1,325,288 km (0.105 R)
• M15: 1,518,718 km (0.073 R)
• M16: 1,604,587 km (0.051 R)
• M17: 1,721,423 km (0.075 R)
• M18: 1,871,769 km (0.093 R)
• M19: 2,161,240 km (0.088 R)
• M20: 2,233,795 km (0.076 R)
• M21: 2,299,020 km (0.088 R)
• M22: 2,398,054 km (0.109 R)
• M23: 2,686,628 km (0.102 R)
• M24: 3,049,403 km (0.034 R)
• M25: 3,232,062 km (0.113 R)
• M26: 3,334,088 km (0.093 R)
• M27: 3,390,187 km (0.039 R)
• M28: 3,446,585 km (0.096 R)
• M29: 3,968,532 km (0.119 R)
• M30: 4,067,865 km (0.116 R)
• M31: 4,198,464 km (0.12 R)
• M32: 4,259,051 km (0.12 R)
• M33: 4,350,755 km (0.102 R)
• M34: 4,412,090 km (0.056 R)
• M35: 4,713,231 km (0.039 R)
• M36: 5,096,201 km (0.083 R)
• M37: 5,193,589 km (0.079 R)
• M38: 5,302,497 km (0.079 R)
• M39: 5,689,656 km (0.094 R)
• M40: 5,768,045 km (0.068 R)
• M41: 5,847,033 km (0.096 R)
• M42: 6,108,829 km (0.063 R)
• M43: 6,293,134 km (0.072 R)
• M44: 6,467,714 km (0.097 R)
• M45: 6,762,273 km (0.109 R)
• M46: 6,845,449 km (0.102 R)
• M47: 6,929,074 km (0.101 R)
• M48: 7,061,169 km (0.067 R)
• M49: 7,206,129 km (0.084 R)
• M50: 7,388,788 km (0.096 R)
• M51: 7,449,974 km (0.096 R)
• M52: 7,535,993 km (0.119 R)
• M53: 7,671,828 km (0.083 R)
• M54: 7,783,577 km (0.062 R)
• M55: 7,858,376 km (0.054 R)
• M56: 8,324,972 km (0.057 R)
• M57: 8,555,203 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.9

Radius: 13.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.08 AU - 1.48 AU

Year: 1000 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 7,985,826 km

• M1: 166,802 km (0.069 R)
• M2: 280,346 km (0.094 R)
• M3: 457,021 km (0.044 R)
• M4: 579,841 km (0.065 R)
• M5: 671,096 km (0.105 R)
• M6: 789,278 km (0.094 R)
• M7: 904,170 km (0.119 R)
• M8: 1,049,130 km (0.105 R)
• M9: 1,164,919 km (0.107 R)
• M10: 1,259,764 km (0.06 R)
• M11: 1,403,826 km (0.113 R)
• M12: 1,588,580 km (0.12 R)
• M13: 1,723,517 km (0.053 R)
• M14: 1,914,853 km (0.097 R)
• M15: 2,020,768 km (0.077 R)
• M16: 2,144,485 km (0.057 R)
• M17: 2,231,103 km (0.066 R)
• M18: 2,343,002 km (0.116 R)
• M19: 2,448,618 km (0.099 R)
• M20: 2,547,652 km (0.065 R)
• M21: 2,724,327 km (0.064 R)
• M22: 2,870,334 km (0.085 R)
• M23: 2,957,550 km (0.091 R)
• M24: 3,206,481 km (0.046 R)
• M25: 3,306,113 km (0.057 R)
• M26: 3,453,018 km (0.096 R)
• M27: 3,574,043 km (0.117 R)
• M28: 3,686,989 km (0.1 R)
• M29: 3,974,815 km (0.089 R)
• M30: 4,091,951 km (0.108 R)
• M31: 4,531,768 km (0.111 R)
• M32: 4,633,944 km (0.059 R)
• M33: 4,830,066 km (0.107 R)
• M34: 4,986,845 km (0.08 R)
• M35: 5,284,096 km (0.094 R)
• M36: 5,718,977 km (0.098 R)
• M37: 6,064,099 km (0.1 R)
• M38: 6,484,918 km (0.098 R)
• M39: 6,611,927 km (0.067 R)
• M40: 6,938,798 km (0.093 R)
• M41: 7,354,979 km (0.094 R)
• M42: 7,755,004 km (0.086 R)
• M43: 7,852,991 km (0.099 R)
• M44: 7,976,110 km (0.111 R)
• M45: 8,513,016 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.8

Radius: 13.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.71 AU - 2.55 AU

Year: 2146 Days

Day: 9.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 7,985,826 km

• M1: 207,492 km (0.061 R)
• M2: 469,588 km (0.112 R)
• M3: 645,066 km (0.075 R)
• M4: 754,721 km (0.104 R)
• M5: 892,800 km (0.069 R)
• M6: 1,299,557 km (0.105 R)
• M7: 1,386,772 km (0.095 R)
• M8: 1,687,763 km (0.106 R)
• M9: 1,945,520 km (0.085 R)
• M10: 2,468,814 km (0.109 R)
• M11: 2,877,365 km (0.078 R)
• M12: 3,438,208 km (0.027 R)
• M13: 3,597,230 km (0.113 R)
• M14: 3,695,666 km (0.038 R)
• M15: 3,904,355 km (0.066 R)
• M16: 4,257,705 km (0.069 R)
• M17: 4,362,124 km (0.119 R)
• M18: 5,493,084 km (0.11 R)
• M19: 5,627,722 km (0.03 R)
• M20: 6,263,214 km (0.04 R)
• M21: 6,349,682 km (0.059 R)
• M22: 6,688,670 km (0.117 R)
• M23: 7,011,203 km (0.061 R)
• M24: 7,134,771 km (0.071 R)
• M25: 7,247,867 km (0.113 R)
• M26: 7,636,822 km (0.099 R)
• M27: 7,752,610 km (0.116 R)
• M28: 7,868,998 km (0.069 R)
• M29: 7,974,165 km (0.083 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 11,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit