🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.52 AU - 0.62 AU

Year: 163 Days

Day: 27.7 Hours

Environment

Temp: 154 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,230,187 km

• M1: 38,447 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.54 AU - 0.72 AU

Year: 189 Days

Day: 38 Hours

Environment

Temp: 187 °C

Axial Tilt: 13.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.67 AU - 0.75 AU

Year: 227 Days

Day: 21.5 Hours

Environment

Temp: 137 °C

Axial Tilt: 20.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.03 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.8

Radius: 8.9

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.52 AU - 6.18 AU

Year: 4687 Days

Day: 6.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,230,187 km

• M1: 110,702 km (0.109 R)
• M2: 405,111 km (0.074 R)
• M3: 728,990 km (0.101 R)
• M4: 1,193,791 km (0.035 R)
• M5: 3,470,222 km (0.117 R)
• M6: 3,892,537 km (0.038 R)
• M7: 7,337,626 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.3

Radius: 13.5

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 5.51 AU - 7.87 AU

Year: 6554 Days

Day: 8.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,230,187 km

• M1: 175,329 km (0.114 R)
• M2: 1,130,661 km (0.081 R)
• M3: 2,493,198 km (0.071 R)
• M4: 3,590,498 km (0.111 R)
• M5: 4,037,796 km (0.084 R)
• M6: 6,651,271 km (0.074 R)
• M7: 10,299,065 km (0.076 R)
• M8: 11,209,817 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.5

Radius: 3.3

Gravity: 14.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 10.25 AU - 13.85 AU

Year: 15843 Days

Day: 18.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,230,187 km

• M1: 40,990 km (0.103 R)
• M2: 169,943 km (0.041 R)
• M3: 297,101 km (0.104 R)
• M4: 447,597 km (0.086 R)
• M5: 626,067 km (0.102 R)
• M6: 1,031,477 km (0.041 R)
• M7: 1,226,104 km (0.074 R)
• M8: 1,717,533 km (0.103 R)
• M9: 1,912,609 km (0.086 R)
• M10: 3,009,460 km (0.102 R)
• M11: 3,293,098 km (0.079 R)
• M12: 5,474,833 km (0.053 R)
• M13: 7,762,783 km (0.028 R)
• M14: 9,115,148 km (0.108 R)
• M15: 11,271,302 km (0.061 R)
• M16: 11,899,015 km (0.109 R)
• M17: 12,005,828 km (0.118 R)
• M18: 12,384,759 km (0.112 R)
• M19: 12,604,817 km (0.082 R)
• M20: 19,879,163 km (0.113 R)
• M21: 21,026,280 km (0.05 R)
• M22: 21,975,179 km (0.081 R)
• M23: 22,460,176 km (0.102 R)
• M24: 28,945,094 km (0.116 R)
• M25: 30,118,091 km (0.069 R)
• M26: 35,347,134 km (0.082 R)
• M27: 39,110,568 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.4

Radius: 5.2

Gravity: 13.51 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 14.98 AU - 19.74 AU

Year: 27395 Days

Day: 24.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,230,187 km

• M1: 451,636 km (0.056 R)
• M2: 646,113 km (0.114 R)
• M3: 1,076,955 km (0.09 R)
• M4: 1,843,644 km (0.08 R)
• M5: 2,056,971 km (0.092 R)
• M6: 2,675,109 km (0.11 R)
• M7: 3,854,539 km (0.058 R)
• M8: 5,698,781 km (0.088 R)
• M9: 7,133,874 km (0.108 R)
• M10: 11,644,399 km (0.106 R)
• M11: 12,510,870 km (0.083 R)
• M12: 13,999,967 km (0.069 R)
• M13: 18,100,894 km (0.109 R)
• M14: 21,336,546 km (0.063 R)
• M15: 27,282,164 km (0.038 R)
• M16: 33,446,793 km (0.097 R)
• M17: 46,273,314 km (0.107 R)
• M18: 47,096,402 km (0.081 R)
• M19: 66,298,934 km (0.116 R)
• M20: 68,401,382 km (0.061 R)
• M21: 69,040,764 km (0.077 R)
• M22: 71,637,932 km (0.074 R)
• M23: 76,110,011 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.4

Radius: 4.8

Gravity: 28.19 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 15.29 AU - 20.73 AU

Year: 28948 Days

Day: 15.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,230,187 km

• M1: 67,768 km (0.072 R)
• M2: 571,913 km (0.118 R)
• M3: 746,793 km (0.077 R)
• M4: 1,050,027 km (0.08 R)
• M5: 2,464,027 km (0.096 R)
• M6: 2,640,402 km (0.079 R)
• M7: 2,798,378 km (0.104 R)
• M8: 3,494,606 km (0.107 R)
• M9: 5,773,281 km (0.083 R)
• M10: 6,315,723 km (0.088 R)
• M11: 7,765,775 km (0.112 R)
• M12: 10,046,993 km (0.12 R)
• M13: 12,151,536 km (0.115 R)
• M14: 13,115,545 km (0.091 R)
• M15: 13,970,048 km (0.076 R)
• M16: 14,778,624 km (0.088 R)
• M17: 15,110,582 km (0.1 R)
• M18: 19,195,651 km (0.104 R)
• M19: 22,293,224 km (0.062 R)
• M20: 22,729,900 km (0.114 R)
• M21: 27,539,472 km (0.105 R)
• M22: 33,126,653 km (0.116 R)
• M23: 35,291,933 km (0.105 R)
• M24: 38,012,520 km (0.117 R)
• M25: 41,195,813 km (0.113 R)
• M26: 41,853,146 km (0.061 R)
• M27: 43,020,159 km (0.095 R)
• M28: 47,905,577 km (0.115 R)
• M29: 48,086,440 km (0.097 R)
• M30: 51,993,787 km (0.105 R)
• M31: 53,536,291 km (0.104 R)
• M32: 61,922,598 km (0.098 R)
• M33: 66,313,744 km (0.116 R)
• M34: 66,763,884 km (0.093 R)
• M35: 79,196,664 km (0.115 R)

Asteroid Belt

Center: 18.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 18.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.6

Radius: 4

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 15.61 AU - 22.01 AU

Year: 30898 Days

Day: 17.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 137.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,230,187 km

• M1: 51,312 km (0.107 R)
• M2: 187,147 km (0.087 R)
• M3: 314,754 km (0.062 R)
• M4: 784,192 km (0.032 R)
• M5: 2,339,561 km (0.102 R)
• M6: 2,727,169 km (0.104 R)
• M7: 4,934,635 km (0.063 R)
• M8: 6,524,412 km (0.106 R)
• M9: 7,887,099 km (0.085 R)
• M10: 11,723,985 km (0.111 R)
• M11: 13,466,352 km (0.108 R)
• M12: 17,679,925 km (0.106 R)
• M13: 17,983,459 km (0.086 R)
• M14: 19,634,272 km (0.066 R)
• M15: 21,555,258 km (0.103 R)
• M16: 23,143,239 km (0.098 R)
• M17: 28,063,065 km (0.071 R)
• M18: 31,149,269 km (0.114 R)
• M19: 38,872,708 km (0.054 R)
• M20: 46,472,429 km (0.059 R)
• M21: 49,110,587 km (0.057 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 12,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit