🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.49 AU - 0.61 AU

Year: 145 Days

Day: 28.9 Hours

Environment

Temp: 181 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.22 AU - 1.5 AU

Year: 563 Days

Day: 28.3 Hours

Environment

Temp: 16 °C

Axial Tilt: 0.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 73,174,679 km

• M1: 385,813 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.36 AU - 1.48 AU

Year: 600 Days

Day: 23.9 Hours

Environment

Temp: 2 °C

Axial Tilt: 16.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 73,174,679 km

• M1: 35,006 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.88 AU - 5.56 AU

Year: 4231 Days

Day: 41.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.5

Radius: 8.3

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.39 AU - 7.11 AU

Year: 4891 Days

Day: 6.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,174,679 km

• M1: 104,569 km (0.072 R)
• M2: 371,601 km (0.098 R)
• M3: 678,875 km (0.113 R)
• M4: 1,276,967 km (0.12 R)
• M5: 1,535,473 km (0.113 R)
• M6: 1,803,402 km (0.044 R)
• M7: 2,074,174 km (0.12 R)
• M8: 2,785,512 km (0.102 R)
• M9: 3,304,467 km (0.105 R)
• M10: 4,319,040 km (0.107 R)
• M11: 5,067,329 km (0.119 R)
• M12: 6,787,106 km (0.064 R)
• M13: 8,598,138 km (0.074 R)
• M14: 9,453,538 km (0.118 R)
• M15: 9,778,166 km (0.082 R)
• M16: 10,493,094 km (0.117 R)
• M17: 10,841,208 km (0.087 R)
• M18: 12,847,016 km (0.083 R)
• M19: 14,438,139 km (0.094 R)
• M20: 20,598,280 km (0.114 R)
• M21: 21,075,946 km (0.081 R)
• M22: 22,195,537 km (0.091 R)
• M23: 23,133,964 km (0.066 R)
• M24: 23,650,077 km (0.116 R)
• M25: 24,476,755 km (0.063 R)
• M26: 26,266,993 km (0.077 R)
• M27: 26,990,747 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.5

Radius: 9.3

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 11.83 AU - 13.39 AU

Year: 15886 Days

Day: 13.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,174,679 km

• M1: 115,639 km (0.108 R)
• M2: 926,460 km (0.076 R)
• M3: 2,051,286 km (0.087 R)
• M4: 3,031,152 km (0.119 R)
• M5: 3,912,732 km (0.112 R)
• M6: 5,795,721 km (0.077 R)
• M7: 6,416,402 km (0.11 R)
• M8: 7,245,623 km (0.108 R)
• M9: 7,930,782 km (0.104 R)
• M10: 11,604,307 km (0.034 R)
• M11: 12,113,837 km (0.101 R)
• M12: 14,513,686 km (0.08 R)
• M13: 22,217,378 km (0.116 R)
• M14: 23,148,176 km (0.116 R)
• M15: 23,439,742 km (0.096 R)
• M16: 26,333,115 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.6

Radius: 7.1

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 15.65 AU - 19.33 AU

Year: 25949 Days

Day: 22 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,174,679 km

• M1: 98,735 km (0.111 R)
• M2: 532,718 km (0.089 R)
• M3: 1,335,909 km (0.095 R)
• M4: 1,716,636 km (0.105 R)
• M5: 2,593,578 km (0.096 R)
• M6: 4,210,881 km (0.046 R)
• M7: 9,330,270 km (0.111 R)
• M8: 9,756,773 km (0.085 R)
• M9: 12,520,594 km (0.076 R)
• M10: 13,266,339 km (0.038 R)
• M11: 17,444,907 km (0.079 R)
• M12: 19,631,878 km (0.096 R)
• M13: 28,529,511 km (0.092 R)
• M14: 30,212,337 km (0.094 R)
• M15: 35,069,780 km (0.069 R)
• M16: 36,398,060 km (0.12 R)
• M17: 37,150,387 km (0.1 R)
• M18: 38,375,444 km (0.06 R)
• M19: 41,392,534 km (0.106 R)
• M20: 41,883,065 km (0.077 R)
• M21: 43,377,548 km (0.047 R)
• M22: 44,393,318 km (0.113 R)
• M23: 46,296,801 km (0.038 R)
• M24: 49,161,750 km (0.07 R)
• M25: 53,098,268 km (0.094 R)
• M26: 59,700,770 km (0.102 R)
• M27: 60,117,550 km (0.034 R)
• M28: 62,659,667 km (0.064 R)
• M29: 64,393,655 km (0.065 R)
• M30: 84,048,272 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.1

Radius: 5.8

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 16.84 AU - 21.26 AU

Year: 29497 Days

Day: 17 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,174,679 km

• M1: 72,106 km (0.094 R)
• M2: 281,394 km (0.072 R)
• M3: 839,992 km (0.099 R)
• M4: 1,676,843 km (0.096 R)
• M5: 2,747,215 km (0.094 R)
• M6: 4,179,166 km (0.072 R)
• M7: 5,296,961 km (0.05 R)
• M8: 6,172,857 km (0.086 R)
• M9: 6,822,860 km (0.08 R)
• M10: 9,264,895 km (0.086 R)
• M11: 9,941,377 km (0.088 R)
• M12: 12,434,725 km (0.08 R)
• M13: 12,841,481 km (0.106 R)
• M14: 13,539,056 km (0.115 R)
• M15: 14,483,318 km (0.08 R)
• M16: 20,240,742 km (0.042 R)
• M17: 20,708,983 km (0.107 R)
• M18: 21,764,695 km (0.091 R)
• M19: 25,578,543 km (0.12 R)
• M20: 26,905,327 km (0.091 R)
• M21: 28,862,366 km (0.066 R)
• M22: 29,575,050 km (0.094 R)
• M23: 29,935,880 km (0.106 R)
• M24: 31,283,757 km (0.067 R)
• M25: 33,576,045 km (0.054 R)
• M26: 35,569,886 km (0.044 R)
• M27: 37,641,218 km (0.116 R)
• M28: 39,355,011 km (0.045 R)
• M29: 41,419,611 km (0.077 R)
• M30: 47,549,384 km (0.088 R)
• M31: 49,213,212 km (0.118 R)
• M32: 58,494,114 km (0.117 R)
• M33: 71,650,199 km (0.098 R)

Kuiper Belt

Range: 30.9 - 56.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 15,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit