🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.51 AU - 0.69 AU

Year: 173 Days

Day: 32.7 Hours

Environment

Temp: 135 °C

Axial Tilt: 45.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 31,543,020 km

• M1: 117,434 km (0.04 R)
• M2: 373,396 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.8 AU - 0.8 AU

Year: 267 Days

Day: 37.7 Hours

Environment

Temp: 116 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 31,543,020 km

• M1: 94,396 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.8 AU - 1.18 AU

Year: 367 Days

Day: 22.6 Hours

Environment

Temp: 18 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.82 AU - 1.19 AU

Year: 373 Days

Day: 30.1 Hours

Environment

Temp: 20 °C

Axial Tilt: 38.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.38 AU - 1.48 AU

Year: 637 Days

Day: 26.3 Hours

Environment

Temp: -30 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,543,020 km

• M1: 321,037 km (0.04 R)
• M2: 868,864 km (0.055 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.13 AU - 1.89 AU

Year: 692 Days

Day: 25.4 Hours

Environment

Temp: -44 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.47 AU - 3.89 AU

Year: 2632 Days

Day: 24.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,543,020 km

• M1: 3,139,311 km (0.114 R)

Asteroid Belt

Center: 4.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.5

Radius: 13.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.44 AU - 5.32 AU

Year: 4019 Days

Day: 11.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 31,543,020 km

• M1: 178,919 km (0.062 R)
• M2: 428,897 km (0.08 R)
• M3: 534,663 km (0.049 R)
• M4: 809,474 km (0.075 R)
• M5: 1,026,541 km (0.11 R)
• M6: 1,214,585 km (0.03 R)
• M7: 1,453,343 km (0.1 R)
• M8: 1,545,346 km (0.052 R)
• M9: 1,680,283 km (0.096 R)
• M10: 2,094,819 km (0.064 R)
• M11: 2,230,205 km (0.108 R)
• M12: 2,399,550 km (0.114 R)
• M13: 2,686,179 km (0.106 R)
• M14: 2,867,043 km (0.071 R)
• M15: 3,558,485 km (0.066 R)
• M16: 3,666,644 km (0.095 R)
• M17: 4,110,501 km (0.113 R)
• M18: 4,300,640 km (0.043 R)
• M19: 4,630,503 km (0.054 R)
• M20: 4,888,410 km (0.115 R)
• M21: 5,522,555 km (0.113 R)
• M22: 5,669,311 km (0.041 R)
• M23: 5,967,010 km (0.068 R)
• M24: 6,357,162 km (0.078 R)
• M25: 6,555,379 km (0.105 R)
• M26: 6,755,840 km (0.073 R)
• M27: 7,577,431 km (0.116 R)
• M28: 7,694,118 km (0.108 R)
• M29: 7,929,136 km (0.113 R)
• M30: 8,047,617 km (0.085 R)
• M31: 8,262,290 km (0.1 R)
• M32: 8,406,503 km (0.099 R)
• M33: 8,868,760 km (0.074 R)
• M34: 9,414,344 km (0.087 R)
• M35: 9,665,967 km (0.106 R)
• M36: 9,843,390 km (0.105 R)
• M37: 9,970,848 km (0.105 R)
• M38: 10,825,650 km (0.1 R)
• M39: 11,381,855 km (0.037 R)
• M40: 11,569,301 km (0.097 R)
• M41: 11,677,011 km (0.106 R)
• M42: 11,974,562 km (0.12 R)
• M43: 12,577,441 km (0.112 R)
• M44: 12,994,221 km (0.117 R)
• M45: 13,106,120 km (0.06 R)
• M46: 13,641,979 km (0.112 R)
• M47: 13,727,250 km (0.117 R)
• M48: 14,242,764 km (0.106 R)
• M49: 14,386,977 km (0.095 R)
• M50: 14,619,003 km (0.064 R)
• M51: 14,881,398 km (0.068 R)
• M52: 16,246,778 km (0.048 R)
• M53: 16,791,912 km (0.075 R)
• M54: 17,036,206 km (0.107 R)
• M55: 17,435,632 km (0.115 R)
• M56: 17,559,200 km (0.095 R)
• M57: 18,087,430 km (0.112 R)
• M58: 19,478,840 km (0.106 R)
• M59: 21,068,616 km (0.105 R)
• M60: 21,233,174 km (0.111 R)
• M61: 21,332,058 km (0.035 R)
• M62: 22,196,135 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.4

Radius: 9.1

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.98 AU - 6.34 AU

Year: 4369 Days

Day: 14.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 31,543,020 km

• M1: 199,713 km (0.074 R)
• M2: 311,612 km (0.118 R)
• M3: 424,559 km (0.059 R)
• M4: 496,216 km (0.079 R)
• M5: 674,537 km (0.04 R)
• M6: 771,925 km (0.08 R)
• M7: 839,693 km (0.099 R)
• M8: 945,309 km (0.066 R)
• M9: 1,043,146 km (0.106 R)
• M10: 1,222,813 km (0.108 R)
• M11: 1,357,601 km (0.102 R)
• M12: 1,686,118 km (0.06 R)
• M13: 1,791,135 km (0.059 R)
• M14: 1,852,171 km (0.085 R)
• M15: 1,976,337 km (0.114 R)
• M16: 2,399,251 km (0.045 R)
• M17: 2,517,882 km (0.088 R)
• M18: 2,621,104 km (0.053 R)
• M19: 2,778,780 km (0.109 R)
• M20: 3,214,559 km (0.114 R)
• M21: 3,308,058 km (0.116 R)
• M22: 3,632,685 km (0.071 R)
• M23: 3,828,658 km (0.097 R)
• M24: 4,169,592 km (0.053 R)
• M25: 4,292,262 km (0.093 R)
• M26: 4,520,399 km (0.096 R)
• M27: 4,583,380 km (0.087 R)
• M28: 4,988,640 km (0.099 R)
• M29: 5,118,940 km (0.096 R)
• M30: 5,272,577 km (0.038 R)
• M31: 5,383,130 km (0.07 R)
• M32: 5,606,779 km (0.073 R)
• M33: 5,787,942 km (0.067 R)
• M34: 5,993,938 km (0.114 R)
• M35: 6,413,410 km (0.074 R)
• M36: 6,507,807 km (0.063 R)
• M37: 6,602,801 km (0.097 R)
• M38: 6,698,245 km (0.114 R)
• M39: 7,206,877 km (0.087 R)
• M40: 7,677,812 km (0.065 R)
• M41: 8,338,286 km (0.09 R)
• M42: 8,597,240 km (0.095 R)
• M43: 8,832,408 km (0.115 R)
• M44: 9,096,448 km (0.094 R)
• M45: 9,229,441 km (0.077 R)
• M46: 9,958,431 km (0.097 R)
• M47: 10,790,195 km (0.083 R)
• M48: 11,557,782 km (0.077 R)
• M49: 12,313,401 km (0.112 R)
• M50: 13,265,442 km (0.097 R)
• M51: 13,325,730 km (0.078 R)
• M52: 13,416,236 km (0.113 R)
• M53: 13,811,324 km (0.103 R)
• M54: 14,395,504 km (0.096 R)
• M55: 14,457,437 km (0.045 R)
• M56: 15,050,443 km (0.089 R)
• M57: 15,971,069 km (0.104 R)
• M58: 16,421,957 km (0.062 R)
• M59: 17,402,272 km (0.03 R)
• M60: 17,501,305 km (0.093 R)
• M61: 17,766,393 km (0.066 R)
• M62: 17,866,175 km (0.117 R)
• M63: 17,932,895 km (0.106 R)
• M64: 18,367,926 km (0.12 R)
• M65: 18,704,820 km (0.115 R)
• M66: 19,728,070 km (0.047 R)
• M67: 20,073,192 km (0.112 R)
• M68: 20,211,869 km (0.091 R)
• M69: 20,385,552 km (0.062 R)
• M70: 21,190,987 km (0.09 R)
• M71: 21,650,851 km (0.11 R)
• M72: 21,721,910 km (0.116 R)
• M73: 22,257,171 km (0.079 R)
• M74: 22,941,581 km (0.065 R)
• M75: 23,159,097 km (0.104 R)
• M76: 23,705,877 km (0.113 R)
• M77: 24,109,642 km (0.062 R)
• M78: 24,404,649 km (0.09 R)
• M79: 24,812,303 km (0.039 R)
• M80: 24,923,753 km (0.108 R)

Planet 10 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625

Radius: 11.2

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.03 AU - 7.13 AU

Year: 5589 Days

Day: 11.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 31,543,020 km

• M1: 327,470 km (0.103 R)
• M2: 419,323 km (0.095 R)
• M3: 511,625 km (0.027 R)
• M4: 784,342 km (0.025 R)
• M5: 863,180 km (0.062 R)
• M6: 1,058,854 km (0.086 R)
• M7: 1,223,112 km (0.111 R)
• M8: 1,348,026 km (0.079 R)
• M9: 1,560,605 km (0.092 R)
• M10: 1,645,277 km (0.101 R)
• M11: 1,801,906 km (0.112 R)
• M12: 2,074,174 km (0.038 R)
• M13: 2,418,549 km (0.088 R)
• M14: 2,517,583 km (0.115 R)
• M15: 2,948,125 km (0.043 R)
• M16: 3,054,041 km (0.113 R)
• M17: 3,379,865 km (0.068 R)
• M18: 3,513,306 km (0.039 R)
• M19: 3,785,574 km (0.08 R)
• M20: 4,111,997 km (0.081 R)
• M21: 4,230,777 km (0.092 R)
• M22: 4,618,685 km (0.055 R)
• M23: 4,717,569 km (0.109 R)
• M24: 5,196,581 km (0.062 R)
• M25: 5,376,996 km (0.116 R)
• M26: 5,930,957 km (0.083 R)
• M27: 6,011,441 km (0.104 R)
• M28: 6,586,196 km (0.109 R)
• M29: 6,837,819 km (0.044 R)
• M30: 6,979,040 km (0.077 R)
• M31: 7,121,307 km (0.063 R)
• M32: 7,611,988 km (0.116 R)
• M33: 7,729,124 km (0.073 R)
• M34: 7,846,708 km (0.052 R)
• M35: 8,203,349 km (0.101 R)
• M36: 8,413,833 km (0.046 R)
• M37: 9,304,838 km (0.072 R)
• M38: 9,556,013 km (0.089 R)
• M39: 10,290,389 km (0.116 R)
• M40: 10,582,703 km (0.057 R)
• M41: 10,779,125 km (0.093 R)
• M42: 11,476,101 km (0.105 R)
• M43: 11,779,336 km (0.117 R)
• M44: 12,256,254 km (0.113 R)
• M45: 13,264,245 km (0.089 R)
• M46: 13,831,819 km (0.093 R)
• M47: 14,807,496 km (0.111 R)
• M48: 16,180,356 km (0.06 R)
• M49: 16,406,847 km (0.08 R)
• M50: 17,400,177 km (0.1 R)
• M51: 18,452,449 km (0.078 R)
• M52: 18,570,631 km (0.034 R)
• M53: 18,768,250 km (0.115 R)
• M54: 19,445,180 km (0.089 R)
• M55: 19,968,174 km (0.113 R)
• M56: 20,049,107 km (0.059 R)
• M57: 20,618,327 km (0.111 R)
• M58: 20,700,007 km (0.113 R)
• M59: 20,781,837 km (0.077 R)
• M60: 20,904,806 km (0.093 R)
• M61: 21,151,643 km (0.075 R)
• M62: 22,064,489 km (0.073 R)
• M63: 22,315,664 km (0.075 R)
• M64: 22,441,625 km (0.079 R)
• M65: 22,652,110 km (0.084 R)
• M66: 22,863,192 km (0.109 R)
• M67: 22,990,201 km (0.111 R)
• M68: 23,159,845 km (0.111 R)
• M69: 24,014,647 km (0.116 R)
• M70: 24,143,750 km (0.114 R)
• M71: 24,619,022 km (0.06 R)
• M72: 24,836,089 km (0.085 R)
• M73: 25,710,788 km (0.05 R)
• M74: 25,798,751 km (0.072 R)
• M75: 26,063,539 km (0.044 R)
• M76: 26,551,079 km (0.073 R)
• M77: 26,907,571 km (0.12 R)
• M78: 27,625,341 km (0.058 R)
• M79: 28,077,127 km (0.115 R)
• M80: 28,440,350 km (0.058 R)
• M81: 29,723,900 km (0.059 R)
• M82: 30,419,231 km (0.115 R)
• M83: 31,213,895 km (0.073 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 19,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit