🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321

Radius: 10.9

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.77 AU - 1.15 AU

Year: 607 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,779,214 km

• M1: 135,984 km (0.083 R)
• M2: 620,532 km (0.116 R)
• M3: 1,153,998 km (0.077 R)
• M4: 1,567,038 km (0.099 R)
• M5: 2,552,888 km (0.097 R)
• M6: 2,936,606 km (0.108 R)
• M7: 4,081,927 km (0.106 R)
• M8: 4,424,357 km (0.04 R)
• M9: 5,536,168 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 12.5

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.74 AU - 3.9 AU

Year: 3906 Days

Day: 13.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,779,214 km

• M1: 155,881 km (0.078 R)
• M2: 737,667 km (0.095 R)
• M3: 1,148,612 km (0.106 R)
• M4: 2,242,023 km (0.108 R)
• M5: 3,062,717 km (0.089 R)
• M6: 4,174,828 km (0.106 R)
• M7: 5,345,282 km (0.112 R)
• M8: 5,814,570 km (0.092 R)
• M9: 6,365,240 km (0.111 R)
• M10: 6,979,189 km (0.077 R)
• M11: 8,688,495 km (0.083 R)
• M12: 9,551,525 km (0.103 R)
• M13: 10,133,311 km (0.054 R)
• M14: 11,448,276 km (0.039 R)
• M15: 13,226,097 km (0.049 R)
• M16: 13,720,668 km (0.054 R)
• M17: 16,279,091 km (0.096 R)
• M18: 19,026,904 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.5

Radius: 11.9

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.51 AU - 5.45 AU

Year: 6123 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,779,214 km

• M1: 148,251 km (0.057 R)
• M2: 618,587 km (0.104 R)
• M3: 1,756,728 km (0.063 R)
• M4: 2,141,344 km (0.089 R)
• M5: 2,601,058 km (0.032 R)
• M6: 3,985,736 km (0.114 R)
• M7: 5,717,780 km (0.111 R)
• M8: 6,822,112 km (0.067 R)
• M9: 9,230,338 km (0.096 R)
• M10: 9,628,269 km (0.098 R)
• M11: 10,458,986 km (0.096 R)
• M12: 12,157,520 km (0.03 R)
• M13: 13,406,512 km (0.054 R)
• M14: 14,798,969 km (0.034 R)
• M15: 15,842,265 km (0.114 R)
• M16: 16,999,554 km (0.082 R)
• M17: 18,559,261 km (0.103 R)
• M18: 21,961,865 km (0.086 R)
• M19: 23,892,575 km (0.098 R)
• M20: 24,308,607 km (0.108 R)
• M21: 26,550,780 km (0.088 R)
• M22: 30,070,967 km (0.105 R)
• M23: 32,245,073 km (0.107 R)
• M24: 33,578,140 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.7

Radius: 8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 8.13 AU - 13.37 AU

Year: 22758 Days

Day: 20.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,779,214 km

• M1: 100,679 km (0.09 R)
• M2: 376,388 km (0.113 R)
• M3: 676,781 km (0.119 R)
• M4: 1,403,677 km (0.06 R)
• M5: 2,392,369 km (0.062 R)
• M6: 3,866,656 km (0.08 R)
• M7: 4,292,262 km (0.055 R)
• M8: 4,654,887 km (0.088 R)
• M9: 5,940,083 km (0.116 R)
• M10: 7,618,870 km (0.098 R)
• M11: 8,242,693 km (0.097 R)
• M12: 9,899,190 km (0.079 R)
• M13: 11,478,196 km (0.081 R)
• M14: 13,281,299 km (0.057 R)
• M15: 14,583,249 km (0.099 R)
• M16: 16,840,382 km (0.042 R)
• M17: 17,363,526 km (0.097 R)
• M18: 19,728,967 km (0.108 R)
• M19: 23,023,112 km (0.11 R)
• M20: 25,088,909 km (0.084 R)
• M21: 31,682,735 km (0.12 R)
• M22: 35,802,510 km (0.088 R)
• M23: 37,545,774 km (0.064 R)
• M24: 39,606,635 km (0.11 R)
• M25: 44,517,035 km (0.095 R)
• M26: 44,801,122 km (0.1 R)
• M27: 47,412,801 km (0.108 R)
• M28: 51,674,695 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.3

Radius: 4.5

Gravity: 21.4 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 10.65 AU - 11.33 AU

Year: 23524 Days

Day: 23 Hours

Environment

Temp: -235 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,779,214 km

• M1: 56,698 km (0.103 R)
• M2: 201,508 km (0.102 R)
• M3: 439,070 km (0.105 R)
• M4: 1,290,431 km (0.106 R)
• M5: 2,741,381 km (0.045 R)
• M6: 3,891,041 km (0.041 R)
• M7: 4,238,407 km (0.037 R)
• M8: 5,104,878 km (0.037 R)
• M9: 5,560,104 km (0.075 R)
• M10: 5,717,780 km (0.097 R)
• M11: 7,227,223 km (0.065 R)
• M12: 8,876,390 km (0.079 R)
• M13: 12,287,820 km (0.11 R)
• M14: 13,382,577 km (0.095 R)
• M15: 14,690,062 km (0.033 R)
• M16: 15,607,695 km (0.112 R)
• M17: 17,725,553 km (0.108 R)
• M18: 18,067,533 km (0.119 R)
• M19: 20,027,565 km (0.113 R)
• M20: 20,492,066 km (0.091 R)
• M21: 21,928,355 km (0.109 R)
• M22: 25,755,817 km (0.095 R)
• M23: 27,426,526 km (0.078 R)
• M24: 33,776,656 km (0.091 R)
• M25: 34,966,707 km (0.047 R)
• M26: 35,639,748 km (0.074 R)
• M27: 42,242,250 km (0.086 R)
• M28: 43,005,498 km (0.076 R)
• M29: 48,608,088 km (0.07 R)
• M30: 55,220,164 km (0.102 R)
• M31: 59,882,232 km (0.071 R)
• M32: 62,999,553 km (0.053 R)
• M33: 63,197,920 km (0.076 R)
• M34: 66,223,387 km (0.097 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 14,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit