🌌 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: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.93 AU - 1.09 AU

Year: 357 Days

Day: 31.7 Hours

Environment

Temp: 135 °C

Axial Tilt: 18.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.9 AU - 1.34 AU

Year: 417 Days

Day: 37.3 Hours

Environment

Temp: 41 °C

Axial Tilt: 48.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.33 AU - 1.39 AU

Year: 557 Days

Day: 40.8 Hours

Environment

Temp: 6 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.66 AU - 1.8 AU

Year: 800 Days

Day: 32 Hours

Environment

Temp: -44 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.45 AU - 2.27 AU

Year: 892 Days

Day: 43.9 Hours

Environment

Temp: -45 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,554,182 km

• M1: 110,852 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.2 AU - 3.48 AU

Year: 1682 Days

Day: 16.1 Hours

Environment

Temp: -85 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.91 AU - 3.29 AU

Year: 1918 Days

Day: 38.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.6 AU - 4.66 AU

Year: 3501 Days

Day: 25.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.16 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.1

Radius: 12.5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.29 AU - 7.07 AU

Year: 4758 Days

Day: 7.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 54,554,182 km

• M1: 203,304 km (0.093 R)
• M2: 592,856 km (0.086 R)
• M3: 750,981 km (0.051 R)
• M4: 958,922 km (0.049 R)
• M5: 1,300,903 km (0.089 R)
• M6: 1,854,714 km (0.096 R)
• M7: 2,004,163 km (0.115 R)
• M8: 2,608,987 km (0.105 R)
• M9: 2,743,475 km (0.098 R)
• M10: 2,828,597 km (0.096 R)
• M11: 3,107,447 km (0.097 R)
• M12: 3,542,627 km (0.118 R)
• M13: 4,251,272 km (0.104 R)
• M14: 4,899,480 km (0.087 R)
• M15: 5,556,963 km (0.119 R)
• M16: 5,665,571 km (0.081 R)
• M17: 5,951,452 km (0.052 R)
• M18: 6,040,463 km (0.075 R)
• M19: 6,332,627 km (0.084 R)
• M20: 6,491,800 km (0.058 R)
• M21: 7,048,004 km (0.101 R)
• M22: 7,189,524 km (0.088 R)
• M23: 7,284,369 km (0.088 R)
• M24: 7,716,258 km (0.1 R)
• M25: 8,082,773 km (0.066 R)
• M26: 8,580,186 km (0.105 R)
• M27: 8,731,280 km (0.102 R)
• M28: 8,985,297 km (0.114 R)
• M29: 9,267,438 km (0.097 R)
• M30: 9,474,632 km (0.108 R)
• M31: 9,735,680 km (0.117 R)
• M32: 10,078,558 km (0.097 R)
• M33: 10,371,770 km (0.055 R)
• M34: 10,506,109 km (0.096 R)
• M35: 10,939,494 km (0.099 R)
• M36: 11,021,474 km (0.066 R)
• M37: 11,213,557 km (0.116 R)
• M38: 11,545,216 km (0.083 R)
• M39: 11,992,513 km (0.06 R)
• M40: 12,246,680 km (0.053 R)
• M41: 12,531,215 km (0.107 R)
• M42: 12,616,935 km (0.106 R)
• M43: 12,933,185 km (0.102 R)
• M44: 13,281,149 km (0.079 R)
• M45: 13,808,931 km (0.09 R)
• M46: 14,075,364 km (0.069 R)
• M47: 14,253,984 km (0.115 R)
• M48: 14,343,444 km (0.114 R)
• M49: 14,703,676 km (0.079 R)
• M50: 15,371,780 km (0.11 R)
• M51: 15,463,633 km (0.113 R)
• M52: 15,586,453 km (0.094 R)
• M53: 15,863,957 km (0.103 R)
• M54: 16,832,304 km (0.104 R)
• M55: 17,787,486 km (0.098 R)
• M56: 18,629,572 km (0.09 R)
• M57: 18,989,804 km (0.118 R)
• M58: 19,253,246 km (0.048 R)
• M59: 19,750,360 km (0.089 R)
• M60: 20,117,622 km (0.098 R)
• M61: 20,588,407 km (0.039 R)
• M62: 21,403,865 km (0.086 R)
• M63: 22,229,944 km (0.102 R)
• M64: 23,382,596 km (0.07 R)

Planet 10 - Gas Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.2

Radius: 12.4

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 10.31 AU - 12.01 AU

Year: 13103 Days

Day: 11 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 54,554,182 km

• M1: 200,611 km (0.114 R)
• M2: 331,658 km (0.084 R)
• M3: 656,286 km (0.119 R)
• M4: 1,076,656 km (0.082 R)
• M5: 1,385,127 km (0.054 R)
• M6: 1,598,603 km (0.108 R)
• M7: 2,220,631 km (0.114 R)
• M8: 3,095,928 km (0.12 R)
• M9: 3,767,174 km (0.089 R)
• M10: 4,102,572 km (0.058 R)
• M11: 4,343,275 km (0.074 R)
• M12: 4,730,883 km (0.065 R)
• M13: 4,910,849 km (0.101 R)
• M14: 5,019,906 km (0.106 R)
• M15: 6,791,594 km (0.096 R)
• M16: 7,036,037 km (0.112 R)
• M17: 7,659,411 km (0.089 R)
• M18: 7,999,297 km (0.053 R)
• M19: 8,127,952 km (0.108 R)
• M20: 8,605,917 km (0.032 R)
• M21: 9,725,956 km (0.08 R)
• M22: 9,863,436 km (0.062 R)
• M23: 10,419,940 km (0.109 R)
• M24: 11,322,016 km (0.057 R)
• M25: 11,660,705 km (0.12 R)
• M26: 11,758,093 km (0.035 R)
• M27: 11,855,631 km (0.112 R)
• M28: 12,002,686 km (0.095 R)
• M29: 12,298,441 km (0.113 R)
• M30: 12,397,624 km (0.061 R)
• M31: 12,646,555 km (0.11 R)
• M32: 12,897,281 km (0.081 R)
• M33: 14,227,206 km (0.117 R)
• M34: 14,383,536 km (0.102 R)
• M35: 15,226,670 km (0.117 R)
• M36: 15,977,501 km (0.085 R)
• M37: 16,685,548 km (0.093 R)
• M38: 17,181,615 km (0.049 R)
• M39: 18,019,512 km (0.072 R)
• M40: 18,132,160 km (0.099 R)
• M41: 19,214,650 km (0.106 R)
• M42: 19,676,758 km (0.073 R)
• M43: 20,025,620 km (0.04 R)
• M44: 21,084,773 km (0.116 R)
• M45: 22,222,614 km (0.119 R)
• M46: 23,811,643 km (0.053 R)
• M47: 24,059,227 km (0.084 R)
• M48: 24,370,092 km (0.103 R)
• M49: 24,995,859 km (0.066 R)
• M50: 25,310,763 km (0.071 R)
• M51: 25,563,583 km (0.119 R)
• M52: 25,690,293 km (0.092 R)
• M53: 26,008,039 km (0.076 R)
• M54: 26,391,009 km (0.11 R)
• M55: 27,033,532 km (0.098 R)
• M56: 27,616,216 km (0.102 R)
• M57: 27,876,516 km (0.107 R)
• M58: 28,072,340 km (0.119 R)
• M59: 28,465,184 km (0.084 R)
• M60: 28,728,177 km (0.082 R)
• M61: 28,925,945 km (0.102 R)
• M62: 30,121,830 km (0.04 R)
• M63: 31,809,594 km (0.054 R)
• M64: 32,356,224 km (0.058 R)
• M65: 37,990,080 km (0.104 R)
• M66: 41,215,261 km (0.114 R)
• M67: 41,438,461 km (0.077 R)
• M68: 41,736,460 km (0.106 R)
• M69: 42,785,290 km (0.083 R)
• M70: 43,388,618 km (0.105 R)
• M71: 44,222,776 km (0.078 R)
• M72: 45,215,358 km (0.061 R)
• M73: 45,829,756 km (0.054 R)
• M74: 46,369,655 km (0.118 R)
• M75: 46,679,173 km (0.113 R)
• M76: 47,689,707 km (0.095 R)
• M77: 48,080,307 km (0.104 R)
• M78: 48,628,882 km (0.075 R)
• M79: 49,574,191 km (0.111 R)
• M80: 51,163,220 km (0.109 R)
• M81: 51,322,990 km (0.092 R)
• M82: 52,205,019 km (0.118 R)
• M83: 53,984,037 km (0.077 R)
• M84: 54,228,181 km (0.101 R)

Kuiper Belt

Range: 31.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 18,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit