🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.92 AU - 1.34 AU

Year: 441 Days

Day: 16.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 49.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 32,904,431 km

• M1: 410,646 km (0.046 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.43 AU - 1.65 AU

Year: 702 Days

Day: 24.5 Hours

Environment

Temp: -37 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.45 AU - 1.71 AU

Year: 729 Days

Day: 12.7 Hours

Environment

Temp: -34 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.49 AU - 2.31 AU

Year: 961 Days

Day: 32.8 Hours

Environment

Temp: -66 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.23 AU - 3.51 AU

Year: 2271 Days

Day: 39.2 Hours

Environment

Temp: -107 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.55 AU - 5.11 AU

Year: 3308 Days

Day: 15.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,904,431 km

• M1: 94,995 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.7

Radius: 10.4

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.02 AU - 5.62 AU

Year: 3885 Days

Day: 9.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 61.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 32,904,431 km

• M1: 131,796 km (0.106 R)
• M2: 206,295 km (0.112 R)
• M3: 579,991 km (0.108 R)
• M4: 989,291 km (0.092 R)
• M5: 1,081,144 km (0.085 R)
• M6: 1,331,122 km (0.12 R)
• M7: 1,433,447 km (0.108 R)
• M8: 1,646,325 km (0.107 R)
• M9: 1,918,892 km (0.057 R)
• M10: 2,052,184 km (0.066 R)
• M11: 2,223,324 km (0.062 R)
• M12: 2,616,467 km (0.049 R)
• M13: 2,690,368 km (0.082 R)
• M14: 2,764,868 km (0.114 R)
• M15: 2,916,261 km (0.094 R)
• M16: 3,089,794 km (0.085 R)
• M17: 3,286,665 km (0.069 R)
• M18: 3,589,751 km (0.111 R)
• M19: 3,755,206 km (0.088 R)
• M20: 4,244,840 km (0.104 R)
• M21: 4,530,721 km (0.045 R)
• M22: 5,354,706 km (0.089 R)
• M23: 5,496,525 km (0.073 R)
• M24: 5,711,796 km (0.071 R)
• M25: 5,808,287 km (0.057 R)
• M26: 6,150,417 km (0.084 R)
• M27: 6,828,844 km (0.075 R)
• M28: 7,216,003 km (0.09 R)
• M29: 8,585,422 km (0.102 R)
• M30: 8,751,775 km (0.071 R)
• M31: 8,863,225 km (0.115 R)
• M32: 9,830,076 km (0.081 R)
• M33: 9,946,014 km (0.094 R)
• M34: 10,150,066 km (0.094 R)
• M35: 10,237,880 km (0.104 R)
• M36: 10,443,876 km (0.047 R)
• M37: 10,591,828 km (0.117 R)
• M38: 11,100,162 km (0.092 R)
• M39: 11,281,475 km (0.093 R)
• M40: 11,372,580 km (0.114 R)
• M41: 11,616,574 km (0.031 R)
• M42: 11,893,031 km (0.106 R)
• M43: 12,327,613 km (0.114 R)
• M44: 12,515,358 km (0.078 R)
• M45: 12,609,754 km (0.095 R)
• M46: 13,533,222 km (0.096 R)
• M47: 14,182,776 km (0.041 R)
• M48: 14,313,823 km (0.1 R)
• M49: 14,544,354 km (0.117 R)
• M50: 14,842,353 km (0.089 R)
• M51: 16,431,980 km (0.111 R)
• M52: 16,500,795 km (0.085 R)
• M53: 16,673,281 km (0.097 R)
• M54: 16,777,102 km (0.108 R)
• M55: 18,323,944 km (0.028 R)
• M56: 19,259,379 km (0.075 R)
• M57: 19,404,639 km (0.098 R)
• M58: 19,513,845 km (0.08 R)
• M59: 19,623,351 km (0.07 R)
• M60: 20,099,820 km (0.068 R)
• M61: 20,765,830 km (0.071 R)
• M62: 21,702,911 km (0.083 R)
• M63: 22,081,693 km (0.095 R)
• M64: 22,462,569 km (0.077 R)
• M65: 22,615,458 km (0.104 R)
• M66: 23,540,571 km (0.051 R)
• M67: 24,046,811 km (0.046 R)
• M68: 24,556,640 km (0.085 R)
• M69: 25,070,060 km (0.116 R)
• M70: 25,666,955 km (0.104 R)
• M71: 25,947,003 km (0.116 R)
• M72: 26,027,187 km (0.072 R)
• M73: 26,510,239 km (0.051 R)
• M74: 26,631,563 km (0.081 R)
• M75: 26,793,427 km (0.108 R)
• M76: 27,077,663 km (0.093 R)
• M77: 27,199,735 km (0.048 R)

Asteroid Belt

Center: 5.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.8

Radius: 10.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.04 AU - 6.72 AU

Year: 4581 Days

Day: 13.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 32,904,431 km

• M1: 162,912 km (0.118 R)
• M2: 328,068 km (0.029 R)
• M3: 395,986 km (0.078 R)
• M4: 523,443 km (0.053 R)
• M5: 791,223 km (0.07 R)
• M6: 924,365 km (0.103 R)
• M7: 1,101,938 km (0.072 R)
• M8: 1,291,030 km (0.118 R)
• M9: 1,630,168 km (0.06 R)
• M10: 1,701,377 km (0.065 R)
• M11: 1,876,705 km (0.094 R)
• M12: 3,085,905 km (0.118 R)
• M13: 3,447,333 km (0.032 R)
• M14: 3,521,235 km (0.105 R)
• M15: 4,230,478 km (0.102 R)
• M16: 4,672,989 km (0.112 R)
• M17: 4,962,461 km (0.025 R)
• M18: 5,537,066 km (0.111 R)
• M19: 5,711,348 km (0.046 R)
• M20: 6,110,325 km (0.036 R)
• M21: 6,679,545 km (0.076 R)
• M22: 6,818,671 km (0.071 R)
• M23: 7,147,188 km (0.088 R)
• M24: 7,265,669 km (0.056 R)
• M25: 7,384,899 km (0.105 R)
• M26: 7,456,706 km (0.101 R)
• M27: 8,287,423 km (0.117 R)
• M28: 8,688,495 km (0.089 R)
• M29: 8,993,375 km (0.086 R)
• M30: 9,070,268 km (0.073 R)
• M31: 9,640,087 km (0.093 R)
• M32: 9,902,930 km (0.109 R)
• M33: 10,035,324 km (0.111 R)
• M34: 10,194,945 km (0.117 R)
• M35: 10,355,314 km (0.113 R)
• M36: 10,543,658 km (0.119 R)
• M37: 10,732,899 km (0.066 R)
• M38: 10,868,884 km (0.108 R)
• M39: 11,252,752 km (0.111 R)
• M40: 11,418,506 km (0.032 R)
• M41: 11,585,158 km (0.093 R)
• M42: 11,808,658 km (0.099 R)
• M43: 12,005,379 km (0.115 R)
• M44: 13,063,185 km (0.111 R)
• M45: 13,150,251 km (0.098 R)
• M46: 13,354,303 km (0.065 R)
• M47: 13,824,339 km (0.08 R)
• M48: 14,690,212 km (0.053 R)
• M49: 15,144,989 km (0.088 R)
• M50: 15,696,856 km (0.099 R)
• M51: 15,851,390 km (0.093 R)
• M52: 16,099,573 km (0.081 R)
• M53: 16,978,311 km (0.041 R)
• M54: 17,136,885 km (0.026 R)
• M55: 17,232,328 km (0.053 R)
• M56: 17,327,921 km (0.119 R)
• M57: 17,423,664 km (0.101 R)
• M58: 17,647,762 km (0.066 R)
• M59: 18,260,814 km (0.115 R)
• M60: 18,684,325 km (0.081 R)
• M61: 18,979,332 km (0.116 R)
• M62: 19,110,978 km (0.093 R)
• M63: 19,441,440 km (0.068 R)
• M64: 19,974,158 km (0.115 R)
• M65: 20,041,028 km (0.03 R)
• M66: 20,175,068 km (0.12 R)
• M67: 20,444,195 km (0.098 R)
• M68: 20,815,945 km (0.091 R)
• M69: 21,600,736 km (0.05 R)
• M70: 22,256,423 km (0.093 R)
• M71: 22,325,687 km (0.089 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335

Radius: 11.3

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.63 AU - 6.79 AU

Year: 5009 Days

Day: 6.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 32,904,431 km

• M1: 171,589 km (0.117 R)
• M2: 295,605 km (0.078 R)
• M3: 366,515 km (0.104 R)
• M4: 551,119 km (0.09 R)
• M5: 1,100,292 km (0.118 R)
• M6: 1,186,910 km (0.101 R)
• M7: 1,314,965 km (0.075 R)
• M8: 1,434,344 km (0.111 R)
• M9: 1,529,788 km (0.028 R)
• M10: 1,670,111 km (0.102 R)
• M11: 1,741,918 km (0.06 R)
• M12: 1,933,702 km (0.103 R)
• M13: 2,322,208 km (0.117 R)
• M14: 2,701,289 km (0.085 R)
• M15: 2,820,668 km (0.071 R)
• M16: 3,082,464 km (0.077 R)
• M17: 3,517,944 km (0.092 R)
• M18: 3,648,542 km (0.031 R)
• M19: 4,168,096 km (0.11 R)
• M20: 4,426,601 km (0.08 R)
• M21: 4,669,847 km (0.066 R)
• M22: 4,896,937 km (0.062 R)
• M23: 5,022,300 km (0.107 R)
• M24: 5,233,532 km (0.045 R)
• M25: 5,556,065 km (0.113 R)
• M26: 5,708,804 km (0.056 R)
• M27: 5,862,890 km (0.056 R)
• M28: 6,108,081 km (0.102 R)
• M29: 6,311,085 km (0.092 R)
• M30: 6,493,445 km (0.026 R)
• M31: 6,840,063 km (0.064 R)
• M32: 7,004,023 km (0.119 R)
• M33: 7,264,173 km (0.068 R)
• M34: 7,745,430 km (0.077 R)
• M35: 8,137,825 km (0.037 R)
• M36: 8,637,631 km (0.047 R)
• M37: 9,121,581 km (0.107 R)
• M38: 9,588,326 km (0.069 R)
• M39: 9,745,703 km (0.078 R)
• M40: 10,383,588 km (0.115 R)
• M41: 10,545,154 km (0.111 R)
• M42: 10,925,432 km (0.088 R)
• M43: 11,254,996 km (0.068 R)
• M44: 11,839,624 km (0.096 R)
• M45: 11,952,122 km (0.056 R)
• M46: 12,807,223 km (0.103 R)
• M47: 13,125,568 km (0.115 R)
• M48: 13,358,940 km (0.097 R)
• M49: 13,681,922 km (0.048 R)
• M50: 13,829,575 km (0.09 R)
• M51: 14,096,757 km (0.045 R)
• M52: 14,245,906 km (0.118 R)
• M53: 15,151,721 km (0.088 R)
• M54: 15,335,278 km (0.026 R)
• M55: 15,828,053 km (0.119 R)
• M56: 16,232,267 km (0.064 R)
• M57: 16,420,012 km (0.077 R)
• M58: 16,987,437 km (0.063 R)
• M59: 17,689,799 km (0.043 R)
• M60: 17,818,453 km (0.113 R)
• M61: 17,979,869 km (0.119 R)
• M62: 18,076,958 km (0.11 R)
• M63: 18,174,047 km (0.077 R)
• M64: 18,695,545 km (0.05 R)
• M65: 19,486,918 km (0.047 R)
• M66: 19,753,202 km (0.119 R)
• M67: 20,154,723 km (0.081 R)
• M68: 20,864,116 km (0.092 R)
• M69: 21,170,642 km (0.096 R)
• M70: 22,620,694 km (0.09 R)
• M71: 23,075,920 km (0.088 R)
• M72: 23,287,153 km (0.101 R)
• M73: 23,428,223 km (0.09 R)

Planet 10 - Gas Giant

Semi-Major Axis: 12.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.8

Radius: 10.1

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 10.68 AU - 13.88 AU

Year: 15797 Days

Day: 14.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 32,904,431 km

• M1: 144,811 km (0.109 R)
• M2: 340,186 km (0.097 R)
• M3: 492,027 km (0.09 R)
• M4: 1,115,851 km (0.095 R)
• M5: 1,256,772 km (0.12 R)
• M6: 1,626,727 km (0.051 R)
• M7: 1,751,492 km (0.066 R)
• M8: 1,879,548 km (0.104 R)
• M9: 1,973,046 km (0.101 R)
• M10: 2,382,795 km (0.111 R)
• M11: 3,035,490 km (0.108 R)
• M12: 3,280,083 km (0.1 R)
• M13: 4,003,688 km (0.098 R)
• M14: 4,149,396 km (0.041 R)
• M15: 4,247,532 km (0.099 R)
• M16: 4,521,446 km (0.099 R)
• M17: 4,597,143 km (0.034 R)
• M18: 4,673,288 km (0.091 R)
• M19: 4,878,536 km (0.035 R)
• M20: 5,060,447 km (0.064 R)
• M21: 5,271,231 km (0.1 R)
• M22: 5,948,311 km (0.088 R)
• M23: 6,681,490 km (0.072 R)
• M24: 6,767,957 km (0.081 R)
• M25: 7,773,704 km (0.111 R)
• M26: 7,956,064 km (0.116 R)
• M27: 8,139,770 km (0.03 R)
• M28: 8,387,055 km (0.092 R)
• M29: 9,856,106 km (0.115 R)
• M30: 10,020,514 km (0.064 R)
• M31: 10,754,890 km (0.071 R)
• M32: 11,472,212 km (0.103 R)
• M33: 11,645,147 km (0.099 R)
• M34: 11,749,417 km (0.119 R)
• M35: 11,923,848 km (0.083 R)
• M36: 12,240,098 km (0.09 R)
• M37: 12,523,436 km (0.094 R)
• M38: 13,935,790 km (0.09 R)
• M39: 14,194,594 km (0.113 R)
• M40: 14,492,294 km (0.086 R)
• M41: 14,716,990 km (0.113 R)
• M42: 15,436,107 km (0.1 R)
• M43: 16,011,909 km (0.095 R)
• M44: 16,516,503 km (0.061 R)
• M45: 16,751,222 km (0.108 R)
• M46: 17,581,490 km (0.088 R)
• M47: 17,661,225 km (0.078 R)
• M48: 18,182,724 km (0.059 R)
• M49: 18,709,159 km (0.076 R)
• M50: 18,790,689 km (0.057 R)
• M51: 19,117,561 km (0.109 R)
• M52: 19,446,526 km (0.081 R)
• M53: 19,652,971 km (0.101 R)
• M54: 20,444,195 km (0.054 R)
• M55: 20,907,200 km (0.073 R)
• M56: 21,118,731 km (0.06 R)
• M57: 21,543,889 km (0.064 R)
• M58: 22,359,646 km (0.035 R)
• M59: 22,576,114 km (0.055 R)
• M60: 23,492,251 km (0.066 R)
• M61: 23,668,178 km (0.119 R)
• M62: 23,888,686 km (0.073 R)
• M63: 24,822,326 km (0.108 R)
• M64: 26,131,008 km (0.104 R)
• M65: 26,587,581 km (0.115 R)
• M66: 27,323,453 km (0.096 R)
• M67: 27,415,904 km (0.089 R)
• M68: 27,601,106 km (0.093 R)
• M69: 28,066,057 km (0.05 R)
• M70: 29,476,166 km (0.06 R)
• M71: 30,189,897 km (0.048 R)
• M72: 30,716,931 km (0.107 R)
• M73: 31,102,145 km (0.095 R)
• M74: 32,023,369 km (0.079 R)
• M75: 32,413,969 km (0.047 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 18,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit