🌌 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: 641.2

Radius: 9.8

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.5 AU - 0.74 AU

Year: 337 Days

Day: 11.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,849,122 km

• M1: 121,922 km (0.109 R)
• M2: 629,807 km (0.119 R)
• M3: 950,545 km (0.115 R)
• M4: 1,326,036 km (0.109 R)
• M5: 1,793,230 km (0.117 R)
• M6: 2,182,932 km (0.068 R)
• M7: 2,742,279 km (0.113 R)
• M8: 3,082,315 km (0.097 R)
• M9: 3,983,343 km (0.078 R)
• M10: 4,583,828 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.7

Radius: 8.2

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.8 AU - 1.04 AU

Year: 609 Days

Day: 9.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,849,122 km

• M1: 102,325 km (0.119 R)
• M2: 370,704 km (0.097 R)
• M3: 830,418 km (0.054 R)
• M4: 1,224,758 km (0.119 R)
• M5: 1,713,195 km (0.103 R)
• M6: 2,235,142 km (0.056 R)
• M7: 2,524,913 km (0.115 R)
• M8: 2,868,689 km (0.032 R)
• M9: 3,180,750 km (0.042 R)
• M10: 4,104,666 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.9

Radius: 14.5

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.04 AU - 2.08 AU

Year: 2041 Days

Day: 11.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 80,849,122 km

• M1: 182,061 km (0.076 R)
• M2: 735,573 km (0.106 R)
• M3: 2,957,251 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.1

Radius: 14.8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.63 AU - 4.37 AU

Year: 5522 Days

Day: 9.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,849,122 km

• M1: 184,155 km (0.104 R)
• M2: 849,566 km (0.04 R)
• M3: 1,561,652 km (0.115 R)
• M4: 2,297,823 km (0.069 R)
• M5: 2,937,055 km (0.081 R)
• M6: 3,693,721 km (0.043 R)
• M7: 4,525,186 km (0.117 R)
• M8: 5,721,371 km (0.095 R)
• M9: 6,294,779 km (0.089 R)
• M10: 7,047,855 km (0.099 R)
• M11: 8,369,402 km (0.103 R)
• M12: 10,583,152 km (0.058 R)
• M13: 11,500,187 km (0.073 R)
• M14: 12,055,045 km (0.094 R)
• M15: 13,996,826 km (0.099 R)
• M16: 14,571,581 km (0.098 R)
• M17: 16,772,016 km (0.089 R)
• M18: 17,289,624 km (0.045 R)
• M19: 18,153,702 km (0.077 R)
• M20: 18,837,663 km (0.101 R)
• M21: 21,671,346 km (0.063 R)
• M22: 24,695,018 km (0.074 R)
• M23: 27,007,502 km (0.079 R)
• M24: 27,629,979 km (0.061 R)
• M25: 28,811,204 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.1

Radius: 9.8

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.48 AU - 5.06 AU

Year: 6091 Days

Day: 7.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,849,122 km

• M1: 122,221 km (0.117 R)
• M2: 930,499 km (0.061 R)
• M3: 1,435,092 km (0.084 R)
• M4: 4,567,073 km (0.116 R)
• M5: 5,176,236 km (0.055 R)
• M6: 6,727,715 km (0.066 R)
• M7: 8,731,729 km (0.091 R)
• M8: 9,150,303 km (0.115 R)
• M9: 11,447,528 km (0.078 R)
• M10: 12,996,913 km (0.046 R)
• M11: 13,821,946 km (0.097 R)
• M12: 17,938,729 km (0.116 R)
• M13: 19,592,983 km (0.076 R)
• M14: 20,898,673 km (0.107 R)
• M15: 23,521,872 km (0.072 R)
• M16: 23,925,337 km (0.051 R)
• M17: 26,357,050 km (0.079 R)
• M18: 32,297,731 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987

Radius: 6.6

Gravity: 22.66 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.38 AU - 8.36 AU

Year: 13811 Days

Day: 15.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,849,122 km

• M1: 123,269 km (0.095 R)
• M2: 367,113 km (0.095 R)
• M3: 594,801 km (0.04 R)
• M4: 1,315,863 km (0.092 R)
• M5: 1,751,641 km (0.057 R)
• M6: 2,383,992 km (0.037 R)
• M7: 2,603,153 km (0.086 R)
• M8: 2,957,251 km (0.095 R)
• M9: 3,369,842 km (0.033 R)
• M10: 3,968,832 km (0.115 R)
• M11: 4,277,901 km (0.065 R)
• M12: 5,193,589 km (0.07 R)
• M13: 5,639,989 km (0.065 R)
• M14: 7,544,669 km (0.032 R)
• M15: 10,178,938 km (0.109 R)
• M16: 10,582,853 km (0.098 R)
• M17: 10,997,239 km (0.084 R)
• M18: 12,697,867 km (0.061 R)
• M19: 15,833,139 km (0.047 R)
• M20: 18,076,210 km (0.08 R)
• M21: 19,012,693 km (0.115 R)
• M22: 20,522,883 km (0.111 R)
• M23: 21,167,351 km (0.083 R)
• M24: 28,259,337 km (0.07 R)
• M25: 34,159,028 km (0.094 R)
• M26: 39,262,709 km (0.107 R)
• M27: 40,829,747 km (0.064 R)
• M28: 47,515,724 km (0.081 R)
• M29: 52,812,087 km (0.112 R)
• M30: 54,020,838 km (0.049 R)
• M31: 59,968,999 km (0.117 R)
• M32: 62,427,191 km (0.096 R)
• M33: 63,196,872 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.1

Radius: 5.7

Gravity: 28.94 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.86 AU - 11.18 AU

Year: 18699 Days

Day: 17.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 80,849,122 km

• M1: 71,059 km (0.11 R)
• M2: 383,419 km (0.083 R)
• M3: 599,139 km (0.04 R)
• M4: 797,805 km (0.043 R)
• M5: 1,003,353 km (0.106 R)
• M6: 1,333,067 km (0.062 R)
• M7: 1,825,244 km (0.109 R)
• M8: 2,717,894 km (0.058 R)
• M9: 3,273,949 km (0.099 R)
• M10: 3,475,159 km (0.088 R)
• M11: 3,715,413 km (0.112 R)
• M12: 4,129,500 km (0.08 R)
• M13: 4,468,488 km (0.026 R)
• M14: 4,973,980 km (0.066 R)
• M15: 5,279,608 km (0.079 R)
• M16: 6,812,089 km (0.101 R)
• M17: 9,116,494 km (0.08 R)
• M18: 10,660,643 km (0.096 R)
• M19: 11,893,779 km (0.036 R)
• M20: 18,406,073 km (0.109 R)
• M21: 19,044,557 km (0.099 R)
• M22: 19,886,943 km (0.114 R)
• M23: 20,949,985 km (0.11 R)
• M24: 21,545,534 km (0.116 R)
• M25: 22,152,453 km (0.117 R)
• M26: 22,357,103 km (0.113 R)
• M27: 29,227,385 km (0.05 R)
• M28: 30,095,800 km (0.078 R)
• M29: 31,753,943 km (0.119 R)
• M30: 32,407,686 km (0.094 R)
• M31: 32,671,577 km (0.111 R)
• M32: 35,251,392 km (0.042 R)
• M33: 39,596,013 km (0.099 R)
• M34: 46,593,454 km (0.046 R)
• M35: 48,808,549 km (0.106 R)
• M36: 49,854,089 km (0.09 R)
• M37: 50,736,716 km (0.117 R)
• M38: 54,744,443 km (0.117 R)
• M39: 70,427,386 km (0.093 R)
• M40: 76,565,088 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 14,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit