🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.5 AU - 0.58 AU

Year: 260 Days

Day: 22.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 8.9

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.94 AU - 1.44 AU

Year: 852 Days

Day: 14.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,531,753 km

• M1: 110,702 km (0.11 R)
• M2: 389,104 km (0.041 R)
• M3: 720,463 km (0.1 R)
• M4: 1,184,217 km (0.059 R)
• M5: 1,569,581 km (0.085 R)
• M6: 1,903,035 km (0.087 R)
• M7: 3,420,705 km (0.1 R)
• M8: 4,178,269 km (0.106 R)
• M9: 4,631,700 km (0.079 R)
• M10: 5,518,815 km (0.053 R)
• M11: 7,385,048 km (0.106 R)
• M12: 7,973,267 km (0.039 R)
• M13: 8,645,411 km (0.096 R)
• M14: 9,523,849 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.8

Radius: 9.7

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.66 AU - 2 AU

Year: 1624 Days

Day: 13.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,531,753 km

• M1: 120,725 km (0.118 R)
• M2: 474,674 km (0.085 R)
• M3: 777,460 km (0.117 R)
• M4: 1,177,934 km (0.094 R)
• M5: 2,040,665 km (0.102 R)
• M6: 2,408,227 km (0.112 R)
• M7: 3,525,723 km (0.095 R)
• M8: 4,209,684 km (0.076 R)
• M9: 4,979,515 km (0.113 R)
• M10: 5,769,092 km (0.095 R)
• M11: 6,331,879 km (0.109 R)
• M12: 7,147,936 km (0.087 R)
• M13: 7,567,259 km (0.092 R)
• M14: 8,181,807 km (0.113 R)
• M15: 8,860,981 km (0.073 R)
• M16: 9,444,114 km (0.075 R)
• M17: 11,958,555 km (0.108 R)
• M18: 12,350,950 km (0.108 R)
• M19: 13,037,604 km (0.118 R)
• M20: 13,878,045 km (0.106 R)
• M21: 14,664,780 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751

Radius: 8.5

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.98 AU - 3.1 AU

Year: 2656 Days

Day: 5.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 94 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,531,753 km

• M1: 105,766 km (0.079 R)
• M2: 397,182 km (0.079 R)
• M3: 687,701 km (0.078 R)
• M4: 976,724 km (0.075 R)
• M5: 1,526,347 km (0.07 R)
• M6: 1,956,890 km (0.113 R)
• M7: 2,241,874 km (0.098 R)
• M8: 2,753,199 km (0.075 R)
• M9: 3,286,815 km (0.12 R)
• M10: 3,769,717 km (0.1 R)
• M11: 4,214,471 km (0.078 R)
• M12: 4,716,671 km (0.119 R)
• M13: 5,531,531 km (0.113 R)
• M14: 7,975,960 km (0.1 R)
• M15: 8,779,001 km (0.095 R)
• M16: 9,932,551 km (0.074 R)
• M17: 10,941,588 km (0.111 R)
• M18: 12,981,804 km (0.079 R)
• M19: 13,299,101 km (0.075 R)
• M20: 13,668,159 km (0.072 R)
• M21: 14,282,408 km (0.118 R)
• M22: 14,865,540 km (0.031 R)
• M23: 15,213,056 km (0.081 R)
• M24: 17,412,893 km (0.045 R)
• M25: 17,743,654 km (0.073 R)
• M26: 19,108,585 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.4

Radius: 9.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.61 AU - 3.31 AU

Year: 3341 Days

Day: 11 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,531,753 km

• M1: 120,725 km (0.111 R)
• M2: 482,453 km (0.087 R)
• M3: 841,787 km (0.103 R)
• M4: 1,383,930 km (0.093 R)
• M5: 1,814,772 km (0.027 R)
• M6: 2,238,583 km (0.11 R)
• M7: 2,547,353 km (0.051 R)
• M8: 3,149,035 km (0.117 R)
• M9: 3,784,377 km (0.048 R)
• M10: 4,225,990 km (0.102 R)
• M11: 5,022,749 km (0.085 R)
• M12: 7,000,732 km (0.1 R)
• M13: 8,310,910 km (0.111 R)
• M14: 8,850,808 km (0.103 R)
• M15: 9,199,970 km (0.059 R)
• M16: 11,206,825 km (0.099 R)
• M17: 11,657,264 km (0.09 R)
• M18: 12,682,159 km (0.099 R)
• M19: 12,992,126 km (0.102 R)
• M20: 13,352,657 km (0.072 R)
• M21: 14,235,584 km (0.117 R)
• M22: 14,764,113 km (0.116 R)
• M23: 15,305,807 km (0.112 R)
• M24: 16,903,961 km (0.063 R)
• M25: 18,553,726 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218

Radius: 5.6

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.7 AU - 6.58 AU

Year: 9981 Days

Day: 19.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,531,753 km

• M1: 70,760 km (0.105 R)
• M2: 503,846 km (0.074 R)
• M3: 1,022,501 km (0.117 R)
• M4: 2,555,580 km (0.065 R)
• M5: 3,883,262 km (0.111 R)
• M6: 4,550,468 km (0.112 R)
• M7: 4,816,004 km (0.11 R)
• M8: 5,008,088 km (0.07 R)
• M9: 6,433,008 km (0.083 R)
• M10: 6,836,174 km (0.065 R)
• M11: 8,459,909 km (0.081 R)
• M12: 9,878,695 km (0.065 R)
• M13: 14,161,533 km (0.115 R)
• M14: 14,556,621 km (0.078 R)
• M15: 15,606,199 km (0.067 R)
• M16: 15,967,179 km (0.043 R)
• M17: 16,518,746 km (0.088 R)
• M18: 16,893,489 km (0.091 R)
• M19: 23,451,112 km (0.117 R)
• M20: 24,972,073 km (0.058 R)
• M21: 28,744,483 km (0.107 R)
• M22: 29,195,820 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.6

Radius: 6.1

Gravity: 22.13 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.05 AU - 10.93 AU

Year: 17683 Days

Day: 21.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,531,753 km

• M1: 77,641 km (0.081 R)
• M2: 307,573 km (0.114 R)
• M3: 578,495 km (0.114 R)
• M4: 890,556 km (0.072 R)
• M5: 1,131,110 km (0.106 R)
• M6: 1,873,115 km (0.1 R)
• M7: 2,850,139 km (0.101 R)
• M8: 3,186,734 km (0.083 R)
• M9: 3,786,472 km (0.042 R)
• M10: 5,913,454 km (0.115 R)
• M11: 6,246,908 km (0.075 R)
• M12: 6,681,340 km (0.082 R)
• M13: 7,182,194 km (0.076 R)
• M14: 9,382,778 km (0.05 R)
• M15: 11,160,600 km (0.12 R)
• M16: 11,477,298 km (0.084 R)
• M17: 12,735,716 km (0.075 R)
• M18: 16,238,849 km (0.073 R)
• M19: 16,563,775 km (0.112 R)
• M20: 17,059,244 km (0.06 R)
• M21: 21,579,044 km (0.03 R)
• M22: 22,771,638 km (0.095 R)
• M23: 23,281,169 km (0.087 R)
• M24: 31,111,570 km (0.049 R)
• M25: 32,246,868 km (0.077 R)
• M26: 32,889,391 km (0.1 R)
• M27: 34,067,474 km (0.079 R)
• M28: 36,785,518 km (0.093 R)
• M29: 38,483,903 km (0.112 R)
• M30: 39,206,760 km (0.119 R)
• M31: 39,498,475 km (0.114 R)
• M32: 41,278,840 km (0.087 R)
• M33: 50,470,282 km (0.11 R)
• M34: 58,243,089 km (0.097 R)
• M35: 72,759,019 km (0.086 R)
• M36: 73,420,541 km (0.059 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: 223 - 19,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit