🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.6

Radius: 11.2

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.66 AU - 0.74 AU

Year: 372 Days

Day: 12.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,238,567 km

• M1: 139,276 km (0.103 R)
• M2: 511,326 km (0.068 R)
• M3: 868,116 km (0.085 R)
• M4: 1,296,565 km (0.118 R)
• M5: 1,700,778 km (0.087 R)
• M6: 2,369,481 km (0.07 R)
• M7: 2,928,827 km (0.098 R)
• M8: 3,636,874 km (0.098 R)
• M9: 4,484,346 km (0.106 R)
• M10: 5,024,992 km (0.093 R)
• M11: 5,969,853 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 8.6

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.64 AU - 0.76 AU

Year: 372 Days

Day: 9.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,238,567 km

• M1: 106,962 km (0.12 R)
• M2: 641,775 km (0.092 R)
• M3: 969,843 km (0.053 R)
• M4: 1,488,050 km (0.073 R)
• M5: 1,792,182 km (0.06 R)
• M6: 2,359,009 km (0.105 R)
• M7: 3,322,270 km (0.103 R)
• M8: 3,670,833 km (0.064 R)
• M9: 4,716,372 km (0.101 R)
• M10: 5,157,686 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.1

Radius: 13.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.69 AU - 2.63 AU

Year: 2018 Days

Day: 13.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,238,567 km

• M1: 171,738 km (0.063 R)
• M2: 1,153,100 km (0.119 R)
• M3: 1,656,647 km (0.083 R)
• M4: 2,109,480 km (0.118 R)
• M5: 3,257,045 km (0.109 R)
• M6: 3,999,050 km (0.105 R)
• M7: 4,451,584 km (0.044 R)
• M8: 5,183,716 km (0.062 R)
• M9: 6,353,122 km (0.057 R)
• M10: 7,602,564 km (0.086 R)
• M11: 8,554,754 km (0.085 R)
• M12: 9,481,663 km (0.095 R)
• M13: 9,969,800 km (0.059 R)
• M14: 11,457,701 km (0.084 R)
• M15: 12,418,867 km (0.093 R)
• M16: 14,731,351 km (0.114 R)
• M17: 16,808,518 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.5

Radius: 14.2

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.91 AU - 2.99 AU

Year: 2438 Days

Day: 9.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,238,567 km

• M1: 176,675 km (0.103 R)
• M2: 662,419 km (0.109 R)
• M3: 1,354,160 km (0.068 R)
• M4: 1,827,039 km (0.101 R)
• M5: 2,319,365 km (0.088 R)
• M6: 3,105,203 km (0.115 R)
• M7: 4,240,501 km (0.045 R)
• M8: 4,761,700 km (0.063 R)
• M9: 5,834,018 km (0.066 R)
• M10: 6,616,265 km (0.055 R)
• M11: 7,616,327 km (0.1 R)
• M12: 9,217,024 km (0.076 R)
• M13: 9,988,500 km (0.111 R)
• M14: 10,651,368 km (0.077 R)
• M15: 11,781,132 km (0.111 R)
• M16: 12,648,051 km (0.095 R)
• M17: 13,959,875 km (0.066 R)
• M18: 15,264,219 km (0.114 R)
• M19: 16,244,833 km (0.101 R)
• M20: 16,750,623 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.6

Radius: 12.6

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.44 AU - 6.02 AU

Year: 7605 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,238,567 km

• M1: 159,023 km (0.112 R)
• M2: 739,612 km (0.109 R)
• M3: 1,158,187 km (0.056 R)
• M4: 1,624,633 km (0.09 R)
• M5: 3,354,433 km (0.105 R)
• M6: 3,749,072 km (0.073 R)
• M7: 4,739,709 km (0.083 R)
• M8: 5,712,694 km (0.079 R)
• M9: 7,199,846 km (0.097 R)
• M10: 8,091,599 km (0.075 R)
• M11: 8,524,386 km (0.098 R)
• M12: 10,596,915 km (0.09 R)
• M13: 11,260,232 km (0.119 R)
• M14: 11,850,545 km (0.077 R)
• M15: 19,497,090 km (0.107 R)
• M16: 23,528,005 km (0.12 R)
• M17: 25,485,942 km (0.084 R)
• M18: 26,247,545 km (0.101 R)
• M19: 28,262,628 km (0.091 R)
• M20: 29,078,535 km (0.119 R)
• M21: 31,814,830 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.6

Radius: 10.3

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.23 AU - 5.67 AU

Year: 8090 Days

Day: 12.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,238,567 km

• M1: 128,355 km (0.095 R)
• M2: 468,391 km (0.117 R)
• M3: 818,450 km (0.102 R)
• M4: 1,963,173 km (0.093 R)
• M5: 2,377,559 km (0.098 R)
• M6: 3,014,247 km (0.094 R)
• M7: 4,487,188 km (0.069 R)
• M8: 5,491,738 km (0.081 R)
• M9: 7,194,760 km (0.069 R)
• M10: 9,001,753 km (0.11 R)
• M11: 10,840,460 km (0.059 R)
• M12: 12,692,781 km (0.093 R)
• M13: 14,808,992 km (0.071 R)
• M14: 15,756,545 km (0.106 R)
• M15: 16,676,871 km (0.086 R)
• M16: 18,987,710 km (0.099 R)
• M17: 21,266,833 km (0.082 R)
• M18: 22,472,143 km (0.083 R)
• M19: 23,553,138 km (0.067 R)
• M20: 25,283,387 km (0.102 R)
• M21: 25,908,556 km (0.097 R)
• M22: 26,361,389 km (0.106 R)
• M23: 28,898,419 km (0.096 R)
• M24: 31,184,424 km (0.086 R)
• M25: 34,561,895 km (0.118 R)
• M26: 36,001,027 km (0.11 R)
• M27: 36,906,243 km (0.119 R)
• M28: 38,059,045 km (0.117 R)
• M29: 38,644,421 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.5

Radius: 4

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.67 AU - 13.41 AU

Year: 23323 Days

Day: 17.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,238,567 km

• M1: 51,162 km (0.09 R)
• M2: 187,596 km (0.054 R)
• M3: 397,930 km (0.092 R)
• M4: 1,141,133 km (0.055 R)
• M5: 1,377,796 km (0.109 R)
• M6: 3,439,853 km (0.076 R)
• M7: 4,868,812 km (0.107 R)
• M8: 5,421,876 km (0.088 R)
• M9: 5,766,250 km (0.063 R)
• M10: 9,548,084 km (0.12 R)
• M11: 11,380,209 km (0.109 R)
• M12: 12,349,304 km (0.107 R)
• M13: 12,585,070 km (0.091 R)
• M14: 13,809,080 km (0.041 R)
• M15: 15,790,803 km (0.078 R)
• M16: 15,929,331 km (0.117 R)
• M17: 16,491,370 km (0.094 R)
• M18: 17,506,541 km (0.095 R)
• M19: 19,740,785 km (0.087 R)
• M20: 20,635,680 km (0.096 R)
• M21: 23,302,711 km (0.032 R)
• M22: 23,844,105 km (0.113 R)
• M23: 25,045,975 km (0.093 R)
• M24: 29,727,939 km (0.091 R)
• M25: 38,980,418 km (0.101 R)
• M26: 39,360,397 km (0.086 R)
• M27: 41,957,266 km (0.108 R)
• M28: 42,356,393 km (0.111 R)
• M29: 45,221,342 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 19,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit