🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.53 AU - 0.63 AU

Year: 155 Days

Day: 30.3 Hours

Environment

Temp: 237 °C

Axial Tilt: 23.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 115,583,943 km

• M1: 18,251 km (0.033 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.66 AU - 0.84 AU

Year: 227 Days

Day: 16.2 Hours

Environment

Temp: 209 °C

Axial Tilt: 5.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 115,583,943 km

• M1: 38,596 km (0.096 R)
• M2: 198,068 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.86 AU - 1.02 AU

Year: 319 Days

Day: 13.6 Hours

Environment

Temp: 160 °C

Axial Tilt: 49.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.87 AU - 1.17 AU

Year: 360 Days

Day: 14.8 Hours

Environment

Temp: 95 °C

Axial Tilt: 21.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 115,583,943 km

• M1: 431,739 km (0.097 R)
• M2: 452,982 km (0.06 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.94 AU - 2.08 AU

Year: 997 Days

Day: 18.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.66 AU - 2.46 AU

Year: 1034 Days

Day: 33.6 Hours

Environment

Temp: -59 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 115,583,943 km

• M1: 230,979 km (0.093 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.02 AU - 2.94 AU

Year: 1366 Days

Day: 34.9 Hours

Environment

Temp: -73 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 115,583,943 km

• M1: 114,592 km (0.094 R)
• M2: 1,347,428 km (0.093 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.47 AU - 4.95 AU

Year: 3576 Days

Day: 33.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 115,583,943 km

• M1: 2,016,430 km (0.109 R)

Asteroid Belt

Center: 11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 17.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.6

Radius: 4.2

Gravity: 46.86 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 14.15 AU - 20.41 AU

Year: 25130 Days

Day: 19.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 103.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (99)

Outer Limit: 115,583,943 km

• M1: 176,226 km (0.096 R)
• M2: 424,858 km (0.08 R)
• M3: 493,972 km (0.07 R)
• M4: 542,143 km (0.098 R)
• M5: 696,228 km (0.113 R)
• M6: 1,235,230 km (0.092 R)
• M7: 1,542,952 km (0.109 R)
• M8: 2,105,889 km (0.071 R)
• M9: 2,145,533 km (0.101 R)
• M10: 2,388,480 km (0.066 R)
• M11: 2,769,206 km (0.104 R)
• M12: 3,168,632 km (0.112 R)
• M13: 3,398,265 km (0.097 R)
• M14: 3,971,075 km (0.116 R)
• M15: 4,020,144 km (0.088 R)
• M16: 4,780,400 km (0.087 R)
• M17: 5,096,799 km (0.051 R)
• M18: 5,694,144 km (0.088 R)
• M19: 5,916,895 km (0.097 R)
• M20: 6,777,083 km (0.066 R)
• M21: 8,547,574 km (0.096 R)
• M22: 9,059,797 km (0.082 R)
• M23: 9,979,824 km (0.088 R)
• M24: 10,113,714 km (0.086 R)
• M25: 10,180,883 km (0.09 R)
• M26: 11,344,904 km (0.108 R)
• M27: 13,425,661 km (0.112 R)
• M28: 15,234,150 km (0.105 R)
• M29: 15,931,874 km (0.112 R)
• M30: 17,037,552 km (0.108 R)
• M31: 17,842,538 km (0.095 R)
• M32: 18,331,424 km (0.099 R)
• M33: 18,495,383 km (0.063 R)
• M34: 18,742,220 km (0.119 R)
• M35: 19,656,412 km (0.031 R)
• M36: 21,355,694 km (0.117 R)
• M37: 23,544,910 km (0.106 R)
• M38: 24,080,769 km (0.085 R)
• M39: 24,530,460 km (0.075 R)
• M40: 27,286,203 km (0.059 R)
• M41: 27,379,851 km (0.071 R)
• M42: 27,661,095 km (0.109 R)
• M43: 27,943,237 km (0.071 R)
• M44: 28,131,880 km (0.092 R)
• M45: 28,415,667 km (0.07 R)
• M46: 28,795,496 km (0.092 R)
• M47: 30,331,716 km (0.058 R)
• M48: 31,305,299 km (0.085 R)
• M49: 32,487,122 km (0.105 R)
• M50: 32,983,787 km (0.071 R)
• M51: 33,382,914 km (0.078 R)
• M52: 35,097,156 km (0.056 R)
• M53: 36,839,822 km (0.08 R)
• M54: 37,669,641 km (0.11 R)
• M55: 39,136,449 km (0.054 R)
• M56: 39,876,958 km (0.072 R)
• M57: 39,983,023 km (0.082 R)
• M58: 40,302,115 km (0.114 R)
• M59: 41,049,805 km (0.039 R)
• M60: 45,519,790 km (0.102 R)
• M61: 46,409,897 km (0.06 R)
• M62: 48,094,219 km (0.066 R)
• M63: 48,207,166 km (0.108 R)
• M64: 48,659,999 km (0.104 R)
• M65: 49,342,015 km (0.106 R)
• M66: 49,570,002 km (0.104 R)
• M67: 49,912,731 km (0.062 R)
• M68: 51,522,255 km (0.056 R)
• M69: 51,869,322 km (0.12 R)
• M70: 52,101,198 km (0.084 R)
• M71: 54,320,782 km (0.065 R)
• M72: 58,972,677 km (0.059 R)
• M73: 60,673,306 km (0.113 R)
• M74: 60,795,527 km (0.091 R)
• M75: 60,917,599 km (0.072 R)
• M76: 61,039,821 km (0.08 R)
• M77: 61,162,192 km (0.075 R)
• M78: 62,266,972 km (0.074 R)
• M79: 62,760,047 km (0.096 R)
• M80: 64,995,039 km (0.106 R)
• M81: 65,245,017 km (0.051 R)
• M82: 65,871,234 km (0.107 R)
• M83: 66,373,733 km (0.088 R)
• M84: 67,382,471 km (0.058 R)
• M85: 67,508,882 km (0.066 R)
• M86: 67,635,441 km (0.056 R)
• M87: 69,287,301 km (0.068 R)
• M88: 75,763,393 km (0.114 R)
• M89: 76,421,623 km (0.1 R)
• M90: 76,817,459 km (0.094 R)
• M91: 77,478,682 km (0.069 R)
• M92: 79,740,751 km (0.087 R)
• M93: 84,329,666 km (0.116 R)
• M94: 86,381,251 km (0.062 R)
• M95: 88,172,686 km (0.098 R)
• M96: 90,533,490 km (0.072 R)
• M97: 90,952,364 km (0.084 R)
• M98: 92,493,371 km (0.111 R)
• M99: 93,337,552 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 20.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899

Radius: 7.1

Gravity: 17.83 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 17.85 AU - 23.33 AU

Year: 32686 Days

Day: 17.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 115,583,943 km

• M1: 92,003 km (0.103 R)
• M2: 155,881 km (0.086 R)
• M3: 203,752 km (0.105 R)
• M4: 718,668 km (0.028 R)
• M5: 1,340,995 km (0.092 R)
• M6: 1,578,108 km (0.088 R)
• M7: 2,091,229 km (0.062 R)
• M8: 2,604,349 km (0.083 R)
• M9: 2,800,323 km (0.089 R)
• M10: 3,311,199 km (0.075 R)
• M11: 3,363,858 km (0.03 R)
• M12: 4,949,446 km (0.065 R)
• M13: 5,192,542 km (0.085 R)
• M14: 6,932,665 km (0.073 R)
• M15: 7,000,283 km (0.037 R)
• M16: 9,129,808 km (0.066 R)
• M17: 11,202,936 km (0.108 R)
• M18: 11,682,696 km (0.114 R)
• M19: 12,250,869 km (0.057 R)
• M20: 12,414,828 km (0.09 R)
• M21: 14,698,888 km (0.065 R)
• M22: 15,933,071 km (0.063 R)
• M23: 17,200,314 km (0.089 R)
• M24: 19,734,203 km (0.108 R)
• M25: 21,784,143 km (0.027 R)
• M26: 23,187,969 km (0.048 R)
• M27: 23,390,824 km (0.112 R)
• M28: 23,594,427 km (0.106 R)
• M29: 24,311,300 km (0.073 R)
• M30: 24,414,223 km (0.111 R)
• M31: 25,556,851 km (0.055 R)
• M32: 26,187,406 km (0.079 R)
• M33: 30,409,208 km (0.107 R)
• M34: 30,853,962 km (0.092 R)
• M35: 31,188,912 km (0.083 R)
• M36: 32,201,241 km (0.089 R)
• M37: 33,110,048 km (0.085 R)
• M38: 35,069,182 km (0.088 R)
• M39: 35,185,569 km (0.051 R)
• M40: 35,886,734 km (0.076 R)
• M41: 37,421,608 km (0.079 R)
• M42: 38,737,172 km (0.048 R)
• M43: 39,098,451 km (0.073 R)
• M44: 40,311,241 km (0.057 R)
• M45: 40,677,456 km (0.066 R)
• M46: 42,400,973 km (0.091 R)
• M47: 42,649,156 km (0.086 R)
• M48: 42,773,472 km (0.086 R)
• M49: 42,897,788 km (0.112 R)
• M50: 43,646,675 km (0.107 R)
• M51: 44,022,614 km (0.102 R)
• M52: 44,777,934 km (0.104 R)
• M53: 54,168,940 km (0.105 R)
• M54: 54,438,216 km (0.1 R)
• M55: 54,707,941 km (0.041 R)
• M56: 55,519,809 km (0.115 R)
• M57: 57,429,575 km (0.081 R)
• M58: 57,566,757 km (0.109 R)
• M59: 60,055,616 km (0.117 R)
• M60: 60,194,892 km (0.119 R)
• M61: 61,032,939 km (0.028 R)
• M62: 62,156,270 km (0.047 R)
• M63: 62,579,332 km (0.118 R)
• M64: 64,708,858 km (0.089 R)
• M65: 72,865,682 km (0.086 R)
• M66: 73,311,783 km (0.109 R)
• M67: 73,460,633 km (0.104 R)
• M68: 74,057,080 km (0.119 R)
• M69: 76,761,360 km (0.066 R)
• M70: 78,125,543 km (0.108 R)
• M71: 79,192,026 km (0.062 R)
• M72: 79,803,732 km (0.086 R)
• M73: 84,752,878 km (0.107 R)
• M74: 85,065,388 km (0.08 R)
• M75: 85,221,868 km (0.108 R)
• M76: 86,634,221 km (0.065 R)
• M77: 87,106,651 km (0.1 R)
• M78: 87,580,129 km (0.111 R)
• M79: 87,738,104 km (0.036 R)
• M80: 88,370,903 km (0.052 R)
• M81: 89,481,966 km (0.096 R)
• M82: 94,296,175 km (0.09 R)
• M83: 94,782,219 km (0.097 R)
• M84: 97,388,363 km (0.06 R)
• M85: 102,005,403 km (0.088 R)
• M86: 104,675,724 km (0.093 R)
• M87: 109,914,343 km (0.119 R)
• M88: 110,084,735 km (0.116 R)
• M89: 111,965,030 km (0.118 R)
• M90: 114,200,771 km (0.103 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 11,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit