🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.59 AU - 0.83 AU

Year: 208 Days

Day: 29 Hours

Environment

Temp: 188 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,684,018 km

• M1: 43,383 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.02 AU - 1.02 AU

Year: 359 Days

Day: 24.4 Hours

Environment

Temp: 123 °C

Axial Tilt: 3.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.86 AU - 1.4 AU

Year: 418 Days

Day: 33.6 Hours

Environment

Temp: 23 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 61,684,018 km

• M1: 258,056 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.58 AU - 2.92 AU

Year: 1588 Days

Day: 30.7 Hours

Environment

Temp: -73 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.11 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.7

Radius: 12.9

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.91 AU - 9.01 AU

Year: 7096 Days

Day: 12.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,684,018 km

• M1: 161,267 km (0.106 R)
• M2: 604,675 km (0.095 R)
• M3: 1,117,346 km (0.092 R)
• M4: 2,076,568 km (0.116 R)
• M5: 2,982,383 km (0.115 R)
• M6: 3,933,826 km (0.073 R)
• M7: 4,758,858 km (0.04 R)
• M8: 5,167,858 km (0.047 R)
• M9: 6,752,848 km (0.057 R)
• M10: 8,813,110 km (0.09 R)
• M11: 10,224,865 km (0.071 R)
• M12: 11,994,159 km (0.112 R)
• M13: 12,425,749 km (0.111 R)
• M14: 13,036,108 km (0.113 R)
• M15: 13,492,531 km (0.094 R)
• M16: 14,137,597 km (0.109 R)
• M17: 14,741,673 km (0.111 R)
• M18: 17,128,059 km (0.111 R)
• M19: 19,097,515 km (0.112 R)
• M20: 23,566,003 km (0.093 R)
• M21: 24,416,018 km (0.096 R)
• M22: 26,813,174 km (0.059 R)
• M23: 28,496,150 km (0.105 R)
• M24: 30,347,723 km (0.118 R)
• M25: 31,762,470 km (0.118 R)
• M26: 36,834,437 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.4

Radius: 9.5

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 11.23 AU - 12.21 AU

Year: 13973 Days

Day: 7.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,684,018 km

• M1: 118,332 km (0.056 R)
• M2: 5,936,193 km (0.11 R)
• M3: 7,668,237 km (0.058 R)
• M4: 9,844,437 km (0.057 R)
• M5: 10,243,415 km (0.055 R)
• M6: 15,198,844 km (0.092 R)
• M7: 16,339,977 km (0.072 R)
• M8: 18,058,408 km (0.11 R)
• M9: 25,724,551 km (0.108 R)
• M10: 26,652,955 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.5

Radius: 4.1

Gravity: 53.81 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 11.56 AU - 17.02 AU

Year: 18812 Days

Day: 18.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,684,018 km

• M1: 51,013 km (0.086 R)
• M2: 182,509 km (0.061 R)
• M3: 609,013 km (0.033 R)
• M4: 846,874 km (0.116 R)
• M5: 1,592,619 km (0.05 R)
• M6: 1,790,238 km (0.074 R)
• M7: 2,506,812 km (0.094 R)
• M8: 3,455,412 km (0.115 R)
• M9: 7,397,615 km (0.059 R)
• M10: 8,260,046 km (0.085 R)
• M11: 10,549,941 km (0.12 R)
• M12: 11,839,475 km (0.105 R)
• M13: 12,245,932 km (0.101 R)
• M14: 12,731,826 km (0.092 R)
• M15: 15,039,074 km (0.12 R)
• M16: 16,166,743 km (0.108 R)
• M17: 16,582,774 km (0.109 R)
• M18: 18,229,099 km (0.104 R)
• M19: 21,741,507 km (0.088 R)
• M20: 23,815,831 km (0.116 R)
• M21: 25,679,671 km (0.083 R)
• M22: 26,589,526 km (0.096 R)
• M23: 29,694,579 km (0.116 R)
• M24: 32,110,734 km (0.058 R)
• M25: 34,108,315 km (0.117 R)
• M26: 35,624,938 km (0.049 R)
• M27: 37,185,692 km (0.105 R)
• M28: 37,764,486 km (0.096 R)
• M29: 39,088,428 km (0.07 R)
• M30: 54,441,657 km (0.057 R)
• M31: 61,805,163 km (0.111 R)
• M32: 63,230,083 km (0.101 R)
• M33: 65,723,730 km (0.101 R)
• M34: 71,349,956 km (0.083 R)
• M35: 73,596,617 km (0.099 R)
• M36: 75,889,953 km (0.097 R)
• M37: 78,704,337 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558

Radius: 5.2

Gravity: 20.64 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 12.15 AU - 18.31 AU

Year: 20699 Days

Day: 24.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,684,018 km

• M1: 73,752 km (0.12 R)
• M2: 1,728,603 km (0.087 R)
• M3: 1,948,662 km (0.081 R)
• M4: 2,675,259 km (0.117 R)
• M5: 3,126,147 km (0.112 R)
• M6: 3,895,379 km (0.071 R)
• M7: 4,678,973 km (0.094 R)
• M8: 6,422,985 km (0.106 R)
• M9: 7,510,711 km (0.116 R)
• M10: 9,987,004 km (0.072 R)
• M11: 10,516,282 km (0.05 R)
• M12: 13,874,754 km (0.105 R)
• M13: 16,230,920 km (0.034 R)
• M14: 16,797,597 km (0.1 R)
• M15: 19,286,606 km (0.111 R)
• M16: 21,331,160 km (0.082 R)
• M17: 22,405,572 km (0.12 R)
• M18: 33,099,277 km (0.087 R)
• M19: 36,427,082 km (0.117 R)
• M20: 40,706,478 km (0.116 R)
• M21: 45,150,283 km (0.062 R)
• M22: 60,979,832 km (0.109 R)
• M23: 61,954,013 km (0.086 R)
• M24: 62,543,429 km (0.061 R)
• M25: 66,980,502 km (0.055 R)
• M26: 67,187,096 km (0.111 R)
• M27: 69,698,695 km (0.116 R)
• M28: 71,407,402 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.9

Radius: 7.4

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 15.38 AU - 15.76 AU

Year: 21396 Days

Day: 19.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,684,018 km

• M1: 92,751 km (0.096 R)
• M2: 469,438 km (0.116 R)
• M3: 975,827 km (0.111 R)
• M4: 2,428,422 km (0.091 R)
• M5: 2,894,420 km (0.103 R)
• M6: 4,214,022 km (0.066 R)
• M7: 4,921,022 km (0.054 R)
• M8: 5,267,491 km (0.107 R)
• M9: 6,009,346 km (0.095 R)
• M10: 9,736,727 km (0.09 R)
• M11: 10,339,457 km (0.075 R)
• M12: 15,862,461 km (0.108 R)
• M13: 16,313,797 km (0.078 R)
• M14: 21,766,041 km (0.08 R)
• M15: 27,666,630 km (0.099 R)
• M16: 32,582,715 km (0.102 R)
• M17: 32,824,466 km (0.083 R)
• M18: 34,676,936 km (0.119 R)
• M19: 38,050,817 km (0.107 R)
• M20: 48,366,488 km (0.058 R)
• M21: 49,474,409 km (0.083 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 19,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit