🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.2

Radius: 12.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.49 AU - 0.75 AU

Year: 326 Days

Day: 9.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,838,899 km

• M1: 151,842 km (0.112 R)
• M2: 550,071 km (0.111 R)
• M3: 1,067,979 km (0.115 R)
• M4: 1,954,646 km (0.088 R)
• M5: 2,889,184 km (0.101 R)
• M6: 3,406,643 km (0.08 R)
• M7: 4,023,734 km (0.081 R)
• M8: 4,489,432 km (0.066 R)
• M9: 5,126,121 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.2

Radius: 13.9

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.6 AU - 0.74 AU

Year: 366 Days

Day: 6.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,838,899 km

• M1: 173,234 km (0.072 R)
• M2: 650,003 km (0.068 R)
• M3: 1,304,045 km (0.12 R)
• M4: 1,754,933 km (0.114 R)
• M5: 2,236,488 km (0.101 R)
• M6: 2,771,600 km (0.098 R)
• M7: 3,453,168 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.5

Radius: 14.4

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.7 AU - 2.62 AU

Year: 2117 Days

Day: 13.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 62.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,838,899 km

• M1: 179,069 km (0.096 R)
• M2: 815,907 km (0.11 R)
• M3: 2,321,609 km (0.113 R)
• M4: 2,805,708 km (0.112 R)
• M5: 3,357,575 km (0.113 R)
• M6: 3,885,206 km (0.111 R)
• M7: 5,344,833 km (0.098 R)
• M8: 5,862,591 km (0.116 R)
• M9: 7,350,641 km (0.051 R)
• M10: 8,024,430 km (0.046 R)
• M11: 8,573,155 km (0.112 R)
• M12: 9,146,863 km (0.09 R)
• M13: 9,854,461 km (0.105 R)
• M14: 12,073,446 km (0.085 R)
• M15: 13,057,052 km (0.114 R)
• M16: 13,545,938 km (0.086 R)
• M17: 15,526,763 km (0.12 R)
• M18: 16,690,036 km (0.116 R)
• M19: 17,694,137 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.9

Radius: 14.5

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.67 AU - 2.65 AU

Year: 2117 Days

Day: 9.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 69.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,838,899 km

• M1: 182,061 km (0.116 R)
• M2: 933,491 km (0.083 R)
• M3: 1,388,119 km (0.089 R)
• M4: 2,690,069 km (0.095 R)
• M5: 3,283,075 km (0.102 R)
• M6: 4,735,072 km (0.062 R)
• M7: 5,563,096 km (0.12 R)
• M8: 7,072,090 km (0.113 R)
• M9: 9,408,210 km (0.092 R)
• M10: 11,787,714 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.8

Radius: 8

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.42 AU - 3.54 AU

Year: 3430 Days

Day: 8.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,838,899 km

• M1: 99,632 km (0.1 R)
• M2: 374,593 km (0.072 R)
• M3: 705,204 km (0.104 R)
• M4: 1,130,212 km (0.115 R)
• M5: 1,602,193 km (0.096 R)
• M6: 1,865,485 km (0.029 R)
• M7: 2,886,641 km (0.078 R)
• M8: 3,242,833 km (0.074 R)
• M9: 4,152,388 km (0.055 R)
• M10: 4,560,341 km (0.06 R)
• M11: 4,871,505 km (0.058 R)
• M12: 5,248,043 km (0.086 R)
• M13: 6,003,063 km (0.074 R)
• M14: 6,890,179 km (0.092 R)
• M15: 9,258,313 km (0.101 R)
• M16: 9,719,374 km (0.062 R)
• M17: 10,115,210 km (0.093 R)
• M18: 10,480,677 km (0.093 R)
• M19: 10,896,858 km (0.06 R)
• M20: 11,986,081 km (0.036 R)
• M21: 13,146,062 km (0.032 R)
• M22: 15,473,207 km (0.09 R)
• M23: 16,454,120 km (0.077 R)
• M24: 17,188,047 km (0.095 R)
• M25: 18,842,600 km (0.053 R)
• M26: 20,087,553 km (0.091 R)
• M27: 22,396,896 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 13.7

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.19 AU - 4.69 AU

Year: 5215 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,838,899 km

• M1: 170,392 km (0.051 R)
• M2: 688,150 km (0.07 R)
• M3: 1,129,464 km (0.101 R)
• M4: 1,832,724 km (0.088 R)
• M5: 2,496,938 km (0.09 R)
• M6: 5,035,764 km (0.116 R)
• M7: 5,496,675 km (0.102 R)
• M8: 6,105,089 km (0.116 R)
• M9: 6,694,056 km (0.102 R)
• M10: 7,492,011 km (0.098 R)
• M11: 8,427,147 km (0.075 R)
• M12: 10,270,791 km (0.069 R)
• M13: 10,926,479 km (0.106 R)
• M14: 11,470,866 km (0.067 R)
• M15: 14,043,051 km (0.061 R)
• M16: 15,805,015 km (0.099 R)
• M17: 16,620,623 km (0.089 R)
• M18: 17,402,870 km (0.11 R)
• M19: 18,782,611 km (0.083 R)
• M20: 22,622,340 km (0.074 R)
• M21: 23,136,507 km (0.061 R)
• M22: 23,808,950 km (0.078 R)
• M23: 24,725,835 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.3

Radius: 9.5

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.3 AU - 5.88 AU

Year: 7658 Days

Day: 10.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,838,899 km

• M1: 118,182 km (0.042 R)
• M2: 420,520 km (0.05 R)
• M3: 933,491 km (0.119 R)
• M4: 1,509,293 km (0.119 R)
• M5: 2,157,351 km (0.057 R)
• M6: 2,573,233 km (0.077 R)
• M7: 3,210,819 km (0.086 R)
• M8: 5,236,823 km (0.049 R)
• M9: 5,796,917 km (0.083 R)
• M10: 8,158,021 km (0.054 R)
• M11: 8,825,377 km (0.094 R)
• M12: 11,863,560 km (0.1 R)
• M13: 12,502,193 km (0.037 R)
• M14: 12,885,164 km (0.059 R)
• M15: 13,617,146 km (0.108 R)
• M16: 16,759,001 km (0.117 R)
• M17: 17,224,998 km (0.112 R)
• M18: 20,884,611 km (0.109 R)
• M19: 23,843,208 km (0.089 R)
• M20: 26,082,239 km (0.096 R)
• M21: 26,618,099 km (0.067 R)
• M22: 28,176,609 km (0.066 R)
• M23: 29,025,876 km (0.049 R)
• M24: 30,577,655 km (0.073 R)
• M25: 31,777,131 km (0.109 R)
• M26: 35,129,170 km (0.069 R)
• M27: 36,002,523 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.3

Radius: 3.9

Gravity: 51.24 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.06 AU - 7.12 AU

Year: 12589 Days

Day: 22.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 52,838,899 km

• M1: 51,013 km (0.051 R)
• M2: 233,672 km (0.12 R)
• M3: 355,594 km (0.059 R)
• M4: 550,670 km (0.056 R)
• M5: 694,882 km (0.12 R)
• M6: 937,679 km (0.116 R)
• M7: 1,545,047 km (0.065 R)
• M8: 2,162,437 km (0.098 R)
• M9: 2,484,073 km (0.06 R)
• M10: 3,073,638 km (0.093 R)
• M11: 5,082,139 km (0.049 R)
• M12: 5,289,930 km (0.075 R)
• M13: 6,698,693 km (0.093 R)
• M14: 7,118,615 km (0.112 R)
• M15: 7,735,556 km (0.12 R)
• M16: 8,339,782 km (0.101 R)
• M17: 9,381,282 km (0.114 R)
• M18: 9,589,074 km (0.096 R)
• M19: 10,900,748 km (0.064 R)
• M20: 11,304,662 km (0.058 R)
• M21: 12,327,463 km (0.09 R)
• M22: 14,143,731 km (0.071 R)
• M23: 16,130,989 km (0.044 R)
• M24: 18,458,432 km (0.113 R)
• M25: 19,281,370 km (0.118 R)
• M26: 19,617,367 km (0.059 R)
• M27: 20,042,674 km (0.107 R)
• M28: 23,194,252 km (0.056 R)
• M29: 24,055,038 km (0.117 R)
• M30: 24,249,067 km (0.06 R)
• M31: 24,739,000 km (0.093 R)
• M32: 25,335,447 km (0.102 R)
• M33: 32,071,390 km (0.117 R)
• M34: 35,720,980 km (0.091 R)
• M35: 37,645,257 km (0.088 R)
• M36: 42,401,871 km (0.048 R)
• M37: 45,736,557 km (0.11 R)
• M38: 47,849,477 km (0.044 R)
• M39: 48,930,023 km (0.11 R)
• M40: 56,267,200 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.8

Radius: 4.6

Gravity: 24.66 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.29 AU - 7.39 AU

Year: 13261 Days

Day: 15.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,838,899 km

• M1: 57,296 km (0.105 R)
• M2: 235,317 km (0.115 R)
• M3: 448,644 km (0.086 R)
• M4: 1,073,215 km (0.086 R)
• M5: 2,300,815 km (0.034 R)
• M6: 2,796,283 km (0.097 R)
• M7: 3,511,810 km (0.047 R)
• M8: 3,939,810 km (0.043 R)
• M9: 4,224,494 km (0.097 R)
• M10: 10,039,214 km (0.103 R)
• M11: 10,952,659 km (0.093 R)
• M12: 11,344,455 km (0.1 R)
• M13: 12,575,795 km (0.045 R)
• M14: 14,889,476 km (0.114 R)
• M15: 18,238,972 km (0.106 R)
• M16: 26,477,926 km (0.107 R)
• M17: 27,694,007 km (0.055 R)
• M18: 32,016,338 km (0.074 R)
• M19: 32,357,421 km (0.085 R)
• M20: 37,392,287 km (0.119 R)
• M21: 38,151,496 km (0.049 R)
• M22: 41,426,343 km (0.103 R)
• M23: 51,894,454 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 10,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit