🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.55 AU - 0.61 AU

Year: 285 Days

Day: 30.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 10.8

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.94 AU - 1.26 AU

Year: 745 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,569,510 km

• M1: 134,339 km (0.115 R)
• M2: 518,506 km (0.03 R)
• M3: 1,003,054 km (0.094 R)
• M4: 1,668,764 km (0.068 R)
• M5: 3,044,765 km (0.039 R)
• M6: 4,427,199 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951

Radius: 9.2

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.73 AU - 2.21 AU

Year: 1785 Days

Day: 12.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,569,510 km

• M1: 114,442 km (0.06 R)
• M2: 449,542 km (0.112 R)
• M3: 788,082 km (0.119 R)
• M4: 1,462,618 km (0.066 R)
• M5: 1,930,561 km (0.063 R)
• M6: 2,322,058 km (0.051 R)
• M7: 2,900,852 km (0.108 R)
• M8: 3,520,487 km (0.079 R)
• M9: 5,270,333 km (0.112 R)
• M10: 5,865,733 km (0.109 R)
• M11: 7,361,711 km (0.086 R)
• M12: 9,953,494 km (0.035 R)
• M13: 11,165,237 km (0.112 R)
• M14: 14,101,095 km (0.102 R)
• M15: 16,903,512 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.2

Radius: 13.7

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.06 AU - 2.4 AU

Year: 2150 Days

Day: 7.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,569,510 km

• M1: 171,738 km (0.067 R)
• M2: 749,186 km (0.118 R)
• M3: 1,322,445 km (0.071 R)
• M4: 1,991,896 km (0.028 R)
• M5: 2,474,947 km (0.111 R)
• M6: 3,068,252 km (0.054 R)
• M7: 4,097,486 km (0.034 R)
• M8: 5,113,854 km (0.056 R)
• M9: 6,135,308 km (0.062 R)
• M10: 7,230,663 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.7

Radius: 13.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.13 AU - 2.83 AU

Year: 2522 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,569,510 km

• M1: 164,258 km (0.101 R)
• M2: 615,894 km (0.063 R)
• M3: 1,226,254 km (0.076 R)
• M4: 1,697,337 km (0.073 R)
• M5: 2,712,957 km (0.063 R)
• M6: 3,241,337 km (0.115 R)
• M7: 3,675,021 km (0.06 R)
• M8: 4,490,778 km (0.113 R)
• M9: 6,247,805 km (0.106 R)
• M10: 7,199,846 km (0.106 R)
• M11: 9,225,701 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.8

Radius: 9.4

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.72 AU - 5.24 AU

Year: 7176 Days

Day: 11.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,569,510 km

• M1: 116,836 km (0.081 R)
• M2: 510,129 km (0.078 R)
• M3: 868,864 km (0.043 R)
• M4: 1,287,589 km (0.119 R)
• M5: 1,601,146 km (0.047 R)
• M6: 2,981,635 km (0.093 R)
• M7: 3,901,812 km (0.09 R)
• M8: 4,543,736 km (0.114 R)
• M9: 5,546,790 km (0.116 R)
• M10: 6,391,120 km (0.067 R)
• M11: 7,647,294 km (0.101 R)
• M12: 8,412,487 km (0.072 R)
• M13: 9,354,654 km (0.118 R)
• M14: 11,447,678 km (0.054 R)
• M15: 12,603,321 km (0.101 R)
• M16: 13,182,864 km (0.049 R)
• M17: 13,890,461 km (0.109 R)
• M18: 14,451,753 km (0.044 R)
• M19: 15,381,354 km (0.098 R)
• M20: 16,226,881 km (0.112 R)
• M21: 17,359,187 km (0.069 R)
• M22: 18,476,235 km (0.099 R)
• M23: 19,780,578 km (0.078 R)
• M24: 20,925,900 km (0.031 R)
• M25: 23,505,266 km (0.102 R)
• M26: 25,282,788 km (0.076 R)
• M27: 27,409,621 km (0.057 R)
• M28: 31,151,363 km (0.05 R)
• M29: 32,210,366 km (0.109 R)
• M30: 32,699,701 km (0.108 R)
• M31: 32,995,606 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.3

Radius: 13.3

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.87 AU - 6.17 AU

Year: 8374 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,569,510 km

• M1: 165,904 km (0.081 R)
• M2: 737,966 km (0.116 R)
• M3: 2,562,163 km (0.059 R)
• M4: 3,630,740 km (0.098 R)
• M5: 10,510,746 km (0.116 R)
• M6: 11,108,390 km (0.118 R)
• M7: 12,317,440 km (0.081 R)
• M8: 13,152,046 km (0.112 R)
• M9: 14,143,132 km (0.116 R)
• M10: 15,309,098 km (0.111 R)
• M11: 16,805,077 km (0.041 R)
• M12: 18,467,857 km (0.083 R)
• M13: 20,086,207 km (0.089 R)
• M14: 21,479,113 km (0.049 R)
• M15: 23,268,004 km (0.084 R)
• M16: 24,198,652 km (0.094 R)
• M17: 26,497,373 km (0.111 R)
• M18: 31,320,857 km (0.08 R)
• M19: 36,136,263 km (0.114 R)
• M20: 37,499,249 km (0.115 R)
• M21: 38,661,027 km (0.104 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 19,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit