🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.02 AU - 1.32 AU

Year: 453 Days

Day: 28.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 79,547,328 km

• M1: 54,603 km (0.051 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.21 AU - 1.39 AU

Year: 531 Days

Day: 45.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 79,547,328 km

• M1: 43,533 km (0.108 R)
• M2: 127,607 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.34 AU - 1.46 AU

Year: 593 Days

Day: 38.9 Hours

Environment

Temp: -19 °C

Axial Tilt: 49.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.49 AU - 1.61 AU

Year: 691 Days

Day: 29.5 Hours

Environment

Temp: -25 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,547,328 km

• M1: 86,019 km (0.105 R)
• M2: 1,328,279 km (0.03 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.49 AU - 2.55 AU

Year: 1433 Days

Day: 17.3 Hours

Environment

Temp: -92 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.24 AU - 4.66 AU

Year: 2812 Days

Day: 30.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 12.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.8

Radius: 6.3

Gravity: 19.22 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 10.68 AU - 15.28 AU

Year: 16749 Days

Day: 22.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 79,547,328 km

• M1: 103,073 km (0.117 R)
• M2: 354,996 km (0.059 R)
• M3: 460,313 km (0.103 R)
• M4: 1,005,896 km (0.034 R)
• M5: 1,107,024 km (0.097 R)
• M6: 1,662,032 km (0.096 R)
• M7: 1,999,675 km (0.103 R)
• M8: 2,063,403 km (0.117 R)
• M9: 2,291,690 km (0.06 R)
• M10: 3,208,725 km (0.082 R)
• M11: 3,396,919 km (0.074 R)
• M12: 3,627,449 km (0.119 R)
• M13: 3,705,539 km (0.037 R)
• M14: 3,903,008 km (0.099 R)
• M15: 4,474,024 km (0.094 R)
• M16: 4,897,984 km (0.049 R)
• M17: 4,984,302 km (0.097 R)
• M18: 6,338,611 km (0.114 R)
• M19: 7,055,933 km (0.05 R)
• M20: 7,498,593 km (0.089 R)
• M21: 8,670,244 km (0.064 R)
• M22: 9,144,170 km (0.102 R)
• M23: 9,197,277 km (0.064 R)
• M24: 9,464,758 km (0.111 R)
• M25: 9,788,937 km (0.1 R)
• M26: 10,226,959 km (0.111 R)
• M27: 11,122,153 km (0.107 R)
• M28: 11,235,847 km (0.079 R)
• M29: 11,579,174 km (0.115 R)
• M30: 11,752,110 km (0.099 R)
• M31: 11,983,986 km (0.085 R)
• M32: 13,226,247 km (0.108 R)
• M33: 13,954,340 km (0.103 R)
• M34: 14,570,982 km (0.096 R)
• M35: 15,512,551 km (0.092 R)
• M36: 16,668,195 km (0.096 R)
• M37: 17,586,127 km (0.098 R)
• M38: 17,784,943 km (0.093 R)
• M39: 18,587,685 km (0.03 R)
• M40: 18,857,859 km (0.091 R)
• M41: 19,813,789 km (0.116 R)
• M42: 20,436,715 km (0.055 R)
• M43: 20,715,565 km (0.105 R)
• M44: 21,136,234 km (0.105 R)
• M45: 21,914,742 km (0.111 R)
• M46: 22,128,667 km (0.113 R)
• M47: 22,415,147 km (0.119 R)
• M48: 22,774,780 km (0.103 R)
• M49: 22,991,547 km (0.104 R)
• M50: 25,196,171 km (0.079 R)
• M51: 25,795,310 km (0.093 R)
• M52: 27,544,110 km (0.03 R)
• M53: 27,929,324 km (0.11 R)
• M54: 28,705,139 km (0.105 R)
• M55: 29,724,199 km (0.117 R)
• M56: 31,154,654 km (0.117 R)
• M57: 33,670,292 km (0.098 R)
• M58: 33,834,850 km (0.075 R)
• M59: 36,082,109 km (0.11 R)
• M60: 37,266,176 km (0.12 R)
• M61: 37,606,810 km (0.101 R)
• M62: 39,585,541 km (0.1 R)
• M63: 41,333,443 km (0.112 R)
• M64: 42,928,007 km (0.097 R)
• M65: 43,285,097 km (0.082 R)
• M66: 44,452,409 km (0.101 R)
• M67: 44,723,331 km (0.093 R)
• M68: 45,085,208 km (0.07 R)
• M69: 45,812,104 km (0.077 R)
• M70: 47,093,559 km (0.082 R)
• M71: 48,201,182 km (0.1 R)
• M72: 48,293,783 km (0.096 R)
• M73: 49,878,623 km (0.102 R)
• M74: 52,525,907 km (0.112 R)
• M75: 52,907,830 km (0.064 R)
• M76: 53,003,423 km (0.028 R)
• M77: 55,412,547 km (0.084 R)
• M78: 55,606,875 km (0.05 R)
• M79: 56,093,517 km (0.099 R)
• M80: 56,191,055 km (0.068 R)
• M81: 56,679,342 km (0.088 R)
• M82: 58,152,881 km (0.085 R)
• M83: 59,142,172 km (0.119 R)
• M84: 59,838,101 km (0.117 R)
• M85: 61,438,649 km (0.071 R)
• M86: 62,547,319 km (0.068 R)
• M87: 63,053,408 km (0.088 R)
• M88: 63,967,750 km (0.097 R)
• M89: 64,784,255 km (0.067 R)
• M90: 67,047,372 km (0.1 R)
• M91: 67,254,266 km (0.061 R)
• M92: 68,709,404 km (0.093 R)
• M93: 69,964,830 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.5

Radius: 6.4

Gravity: 17.27 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 15.11 AU - 15.11 AU

Year: 21036 Days

Day: 17.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 79,547,328 km

• M1: 82,129 km (0.092 R)
• M2: 271,520 km (0.059 R)
• M3: 645,216 km (0.106 R)
• M4: 1,049,279 km (0.073 R)
• M5: 1,519,914 km (0.116 R)
• M6: 1,711,848 km (0.052 R)
• M7: 1,844,093 km (0.093 R)
• M8: 2,369,780 km (0.1 R)
• M9: 3,934,125 km (0.096 R)
• M10: 4,065,173 km (0.1 R)
• M11: 4,109,304 km (0.05 R)
• M12: 4,835,452 km (0.052 R)
• M13: 5,261,208 km (0.06 R)
• M14: 5,797,815 km (0.111 R)
• M15: 5,847,482 km (0.1 R)
• M16: 6,300,763 km (0.06 R)
• M17: 6,505,712 km (0.105 R)
• M18: 6,557,323 km (0.101 R)
• M19: 7,187,430 km (0.091 R)
• M20: 8,223,993 km (0.059 R)
• M21: 8,391,842 km (0.082 R)
• M22: 8,560,888 km (0.1 R)
• M23: 9,074,906 km (0.093 R)
• M24: 9,248,440 km (0.093 R)
• M25: 9,364,677 km (0.058 R)
• M26: 9,598,798 km (0.074 R)
• M27: 10,859,010 km (0.117 R)
• M28: 10,981,830 km (0.082 R)
• M29: 11,602,362 km (0.105 R)
• M30: 12,297,992 km (0.111 R)
• M31: 13,399,481 km (0.108 R)
• M32: 13,597,100 km (0.09 R)
• M33: 13,663,222 km (0.113 R)
• M34: 13,862,187 km (0.098 R)
• M35: 15,144,391 km (0.078 R)
• M36: 16,043,175 km (0.101 R)
• M37: 16,183,049 km (0.078 R)
• M38: 16,253,061 km (0.082 R)
• M39: 17,244,595 km (0.053 R)
• M40: 17,459,567 km (0.099 R)
• M41: 20,942,056 km (0.079 R)
• M42: 21,094,945 km (0.119 R)
• M43: 22,409,013 km (0.058 R)
• M44: 23,431,664 km (0.079 R)
• M45: 24,630,392 km (0.043 R)
• M46: 26,424,369 km (0.09 R)
• M47: 26,672,253 km (0.081 R)
• M48: 30,481,913 km (0.109 R)
• M49: 31,438,741 km (0.07 R)
• M50: 33,203,547 km (0.119 R)
• M51: 33,560,338 km (0.112 R)
• M52: 33,828,866 km (0.101 R)
• M53: 34,187,901 km (0.118 R)
• M54: 34,457,925 km (0.036 R)
• M55: 35,454,396 km (0.08 R)
• M56: 37,197,660 km (0.063 R)
• M57: 38,593,558 km (0.054 R)
• M58: 40,291,195 km (0.088 R)
• M59: 40,481,333 km (0.111 R)
• M60: 41,053,545 km (0.084 R)
• M61: 42,592,309 km (0.102 R)
• M62: 44,052,085 km (0.106 R)
• M63: 45,330,399 km (0.041 R)
• M64: 46,321,933 km (0.101 R)
• M65: 47,521,260 km (0.099 R)
• M66: 49,950,430 km (0.101 R)
• M67: 50,769,179 km (0.091 R)
• M68: 54,507,630 km (0.065 R)
• M69: 55,139,232 km (0.12 R)
• M70: 56,942,036 km (0.1 R)
• M71: 57,262,175 km (0.106 R)
• M72: 58,118,922 km (0.067 R)
• M73: 58,871,998 km (0.055 R)
• M74: 59,195,728 km (0.114 R)
• M75: 60,387,724 km (0.107 R)
• M76: 61,041,317 km (0.106 R)
• M77: 63,568,174 km (0.08 R)
• M78: 63,900,282 km (0.089 R)
• M79: 64,455,140 km (0.086 R)
• M80: 65,122,945 km (0.069 R)
• M81: 65,793,144 km (0.1 R)
• M82: 69,405,783 km (0.09 R)
• M83: 70,433,370 km (0.117 R)
• M84: 71,351,004 km (0.109 R)
• M85: 72,503,655 km (0.108 R)
• M86: 73,430,115 km (0.072 R)
• M87: 73,778,528 km (0.107 R)
• M88: 76,350,714 km (0.094 R)
• M89: 77,293,330 km (0.108 R)
• M90: 77,529,545 km (0.081 R)
• M91: 77,884,391 km (0.041 R)
• M92: 78,476,949 km (0.092 R)
• M93: 79,071,002 km (0.04 R)

Kuiper Belt

Range: 30.6 - 51.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 15,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit