🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.01 AU - 1.03 AU

Year: 380 Days

Day: 17 Hours

Environment

Temp: 21 °C

Axial Tilt: 47.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 68,934,933 km

• M1: 629,059 km (0.05 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.31 AU - 1.33 AU

Year: 560 Days

Day: 25.9 Hours

Environment

Temp: -12 °C

Axial Tilt: 9.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.2 AU - 1.74 AU

Year: 658 Days

Day: 36.3 Hours

Environment

Temp: -46 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.54 AU - 1.8 AU

Year: 796 Days

Day: 15.9 Hours

Environment

Temp: -55 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.47 AU - 1.99 AU

Year: 840 Days

Day: 20.7 Hours

Environment

Temp: -66 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.59 AU - 1.95 AU

Year: 869 Days

Day: 31.2 Hours

Environment

Temp: -64 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.49 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.3

Radius: 3.8

Gravity: 44.97 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 10.4 AU - 16.02 AU

Year: 17715 Days

Day: 18.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 68,934,933 km

• M1: 64,626 km (0.068 R)
• M2: 186,698 km (0.112 R)
• M3: 352,901 km (0.118 R)
• M4: 1,241,962 km (0.081 R)
• M5: 1,268,740 km (0.03 R)
• M6: 1,350,570 km (0.108 R)
• M7: 2,032,586 km (0.119 R)
• M8: 2,492,301 km (0.087 R)
• M9: 2,664,039 km (0.084 R)
• M10: 3,811,604 km (0.101 R)
• M11: 4,373,643 km (0.071 R)
• M12: 4,790,872 km (0.108 R)
• M13: 4,918,479 km (0.079 R)
• M14: 5,004,198 km (0.093 R)
• M15: 5,752,487 km (0.039 R)
• M16: 6,488,060 km (0.086 R)
• M17: 6,866,841 km (0.115 R)
• M18: 7,059,075 km (0.075 R)
• M19: 7,252,804 km (0.113 R)
• M20: 7,645,798 km (0.113 R)
• M21: 8,555,053 km (0.078 R)
• M22: 8,658,276 km (0.056 R)
• M23: 9,765,599 km (0.1 R)
• M24: 10,199,134 km (0.088 R)
• M25: 10,583,601 km (0.103 R)
• M26: 10,694,303 km (0.073 R)
• M27: 10,805,454 km (0.086 R)
• M28: 11,084,903 km (0.09 R)
• M29: 12,284,229 km (0.035 R)
• M30: 12,810,664 km (0.096 R)
• M31: 12,869,606 km (0.062 R)
• M32: 13,106,269 km (0.119 R)
• M33: 13,584,085 km (0.067 R)
• M34: 15,113,424 km (0.062 R)
• M35: 15,425,784 km (0.065 R)
• M36: 15,866,649 km (0.051 R)
• M37: 15,993,359 km (0.081 R)
• M38: 16,311,553 km (0.083 R)
• M39: 16,760,646 km (0.095 R)
• M40: 17,344,078 km (0.109 R)
• M41: 17,802,446 km (0.089 R)
• M42: 17,868,269 km (0.118 R)
• M43: 19,607,195 km (0.119 R)
• M44: 20,981,101 km (0.12 R)
• M45: 22,102,487 km (0.062 R)
• M46: 22,314,766 km (0.084 R)
• M47: 23,459,040 km (0.1 R)
• M48: 23,748,064 km (0.056 R)
• M49: 24,329,700 km (0.059 R)
• M50: 25,063,328 km (0.074 R)
• M51: 25,432,835 km (0.087 R)
• M52: 26,027,786 km (0.114 R)
• M53: 26,627,224 km (0.072 R)
• M54: 26,853,267 km (0.044 R)
• M55: 27,458,988 km (0.056 R)
• M56: 27,687,424 km (0.106 R)
• M57: 28,299,280 km (0.071 R)
• M58: 28,684,045 km (0.083 R)
• M59: 28,993,115 km (0.066 R)
• M60: 29,380,872 km (0.091 R)
• M61: 29,926,755 km (0.078 R)
• M62: 30,004,995 km (0.095 R)
• M63: 30,161,773 km (0.086 R)
• M64: 30,240,162 km (0.09 R)
• M65: 31,425,127 km (0.061 R)
• M66: 32,143,496 km (0.095 R)
• M67: 32,384,049 km (0.072 R)
• M68: 36,899,960 km (0.044 R)
• M69: 37,151,883 km (0.109 R)
• M70: 37,826,570 km (0.103 R)
• M71: 39,359,200 km (0.098 R)
• M72: 40,651,725 km (0.075 R)
• M73: 43,013,277 km (0.112 R)
• M74: 43,721,623 km (0.044 R)
• M75: 44,255,239 km (0.12 R)
• M76: 44,612,329 km (0.096 R)
• M77: 48,326,096 km (0.097 R)
• M78: 48,785,810 km (0.059 R)
• M79: 49,802,029 km (0.108 R)
• M80: 50,732,079 km (0.118 R)
• M81: 51,667,813 km (0.09 R)
• M82: 52,609,233 km (0.055 R)
• M83: 53,366,348 km (0.111 R)
• M84: 56,141,239 km (0.096 R)
• M85: 56,818,019 km (0.118 R)
• M86: 57,594,881 km (0.119 R)
• M87: 57,887,046 km (0.106 R)
• M88: 58,082,121 km (0.118 R)
• M89: 58,277,347 km (0.115 R)
• M90: 59,453,784 km (0.076 R)
• M91: 59,749,090 km (0.113 R)
• M92: 61,431,618 km (0.049 R)
• M93: 61,929,479 km (0.057 R)
• M94: 65,654,915 km (0.051 R)
• M95: 66,265,873 km (0.119 R)
• M96: 68,212,889 km (0.073 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 18,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit