🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.67 AU - 0.77 AU

Year: 265 Days

Day: 41.2 Hours

Environment

Temp: -9 °C

Axial Tilt: 39 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 45,959,432 km

• M1: 180,864 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.72 AU - 0.74 AU

Year: 270 Days

Day: 31.3 Hours

Environment

Temp: -17 °C

Axial Tilt: 26.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.65 AU - 0.85 AU

Year: 282 Days

Day: 45.5 Hours

Environment

Temp: -8 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 45,959,432 km

• M1: 133,292 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.6 AU - 0.96 AU

Year: 299 Days

Day: 14.8 Hours

Environment

Temp: -22 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.62 AU - 1.02 AU

Year: 322 Days

Day: 33.7 Hours

Environment

Temp: -44 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.82 AU - 0.84 AU

Year: 328 Days

Day: 21.6 Hours

Environment

Temp: -47 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,959,432 km

• M1: 42,935 km (0.05 R)
• M2: 299,046 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.7

Radius: 8.9

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.01 AU - 3.25 AU

Year: 1849 Days

Day: 8.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 45,959,432 km

• M1: 111,301 km (0.093 R)
• M2: 183,407 km (0.092 R)
• M3: 239,357 km (0.066 R)
• M4: 372,200 km (0.039 R)
• M5: 556,205 km (0.103 R)
• M6: 635,193 km (0.101 R)
• M7: 805,585 km (0.111 R)
• M8: 905,815 km (0.057 R)
• M9: 1,000,810 km (0.114 R)
• M10: 1,139,637 km (0.082 R)
• M11: 1,284,896 km (0.087 R)
• M12: 1,349,223 km (0.086 R)
• M13: 1,628,822 km (0.103 R)
• M14: 1,757,625 km (0.061 R)
• M15: 1,877,902 km (0.083 R)
• M16: 1,939,088 km (0.057 R)
• M17: 2,013,288 km (0.027 R)
• M18: 2,177,547 km (0.118 R)
• M19: 2,560,068 km (0.085 R)
• M20: 2,669,275 km (0.098 R)
• M21: 2,738,389 km (0.097 R)
• M22: 2,822,164 km (0.106 R)
• M23: 3,136,469 km (0.033 R)
• M24: 3,721,097 km (0.106 R)
• M25: 3,798,589 km (0.089 R)
• M26: 4,258,303 km (0.078 R)
• M27: 4,355,542 km (0.112 R)
• M28: 4,718,766 km (0.063 R)
• M29: 4,955,130 km (0.104 R)
• M30: 5,421,726 km (0.111 R)
• M31: 5,492,187 km (0.1 R)
• M32: 5,920,635 km (0.1 R)
• M33: 6,120,647 km (0.108 R)
• M34: 6,396,955 km (0.081 R)
• M35: 6,546,104 km (0.051 R)
• M36: 6,639,901 km (0.113 R)
• M37: 6,809,695 km (0.081 R)
• M38: 7,000,283 km (0.084 R)
• M39: 7,601,965 km (0.059 R)
• M40: 7,799,584 km (0.099 R)
• M41: 8,423,108 km (0.057 R)
• M42: 9,230,189 km (0.092 R)
• M43: 9,483,607 km (0.117 R)
• M44: 9,632,308 km (0.092 R)
• M45: 9,803,448 km (0.098 R)
• M46: 10,366,235 km (0.107 R)
• M47: 10,629,527 km (0.083 R)
• M48: 10,717,939 km (0.061 R)
• M49: 11,140,553 km (0.106 R)
• M50: 11,275,042 km (0.046 R)
• M51: 11,387,689 km (0.069 R)
• M52: 11,614,031 km (0.07 R)
• M53: 11,750,464 km (0.112 R)
• M54: 11,910,384 km (0.08 R)
• M55: 12,002,088 km (0.095 R)
• M56: 12,348,107 km (0.117 R)
• M57: 12,627,257 km (0.087 R)
• M58: 12,697,418 km (0.057 R)
• M59: 12,838,040 km (0.076 R)
• M60: 13,097,144 km (0.108 R)
• M61: 13,168,203 km (0.092 R)
• M62: 13,453,337 km (0.053 R)
• M63: 13,716,629 km (0.108 R)
• M64: 14,078,356 km (0.097 R)
• M65: 15,481,584 km (0.1 R)
• M66: 15,984,383 km (0.106 R)
• M67: 16,339,528 km (0.103 R)
• M68: 16,851,452 km (0.115 R)
• M69: 17,109,359 km (0.073 R)
• M70: 17,238,911 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.7

Radius: 12.7

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.22 AU - 4.98 AU

Year: 3599 Days

Day: 13.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,959,432 km

• M1: 617,989 km (0.097 R)
• M2: 704,008 km (0.074 R)
• M3: 844,330 km (0.1 R)
• M4: 1,230,293 km (0.032 R)
• M5: 1,324,839 km (0.086 R)
• M6: 1,788,742 km (0.091 R)
• M7: 2,257,881 km (0.109 R)
• M8: 2,525,661 km (0.081 R)
• M9: 2,632,773 km (0.116 R)
• M10: 2,796,283 km (0.119 R)
• M11: 3,076,331 km (0.098 R)
• M12: 3,223,984 km (0.053 R)
• M13: 3,785,873 km (0.075 R)
• M14: 3,908,992 km (0.082 R)
• M15: 4,051,559 km (0.061 R)
• M16: 4,573,057 km (0.109 R)
• M17: 4,695,129 km (0.052 R)
• M18: 5,096,650 km (0.084 R)
• M19: 5,489,494 km (0.03 R)
• M20: 5,689,656 km (0.092 R)
• M21: 5,841,498 km (0.081 R)
• M22: 6,336,068 km (0.034 R)
• M23: 6,535,632 km (0.117 R)
• M24: 7,157,809 km (0.061 R)
• M25: 7,498,144 km (0.054 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.1

Radius: 8.8

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.27 AU - 5.03 AU

Year: 3665 Days

Day: 10.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 45,959,432 km

• M1: 122,969 km (0.096 R)
• M2: 200,611 km (0.069 R)
• M3: 293,960 km (0.051 R)
• M4: 382,821 km (0.109 R)
• M5: 545,733 km (0.063 R)
• M6: 806,033 km (0.094 R)
• M7: 871,707 km (0.116 R)
• M8: 1,291,628 km (0.105 R)
• M9: 1,369,569 km (0.056 R)
• M10: 1,516,623 km (0.09 R)
• M11: 1,768,845 km (0.054 R)
• M12: 1,855,911 km (0.089 R)
• M13: 2,172,011 km (0.079 R)
• M14: 2,344,498 km (0.116 R)
• M15: 2,424,383 km (0.114 R)
• M16: 2,787,008 km (0.11 R)
• M17: 2,871,830 km (0.111 R)
• M18: 3,096,377 km (0.101 R)
• M19: 3,416,965 km (0.077 R)
• M20: 3,526,171 km (0.096 R)
• M21: 3,823,123 km (0.114 R)
• M22: 4,109,005 km (0.117 R)
• M23: 4,382,021 km (0.106 R)
• M24: 4,540,744 km (0.103 R)
• M25: 4,661,021 km (0.044 R)
• M26: 4,721,608 km (0.095 R)
• M27: 4,843,530 km (0.063 R)
• M28: 5,028,433 km (0.117 R)
• M29: 5,173,693 km (0.108 R)
• M30: 5,278,411 km (0.063 R)
• M31: 5,341,691 km (0.101 R)
• M32: 5,404,971 km (0.102 R)
• M33: 5,943,374 km (0.117 R)
• M34: 6,702,733 km (0.09 R)
• M35: 7,070,743 km (0.054 R)
• M36: 7,682,599 km (0.102 R)
• M37: 8,067,664 km (0.101 R)
• M38: 8,164,902 km (0.093 R)
• M39: 8,657,079 km (0.073 R)
• M40: 9,515,621 km (0.075 R)
• M41: 9,825,139 km (0.06 R)
• M42: 10,033,230 km (0.068 R)
• M43: 10,666,627 km (0.086 R)
• M44: 10,826,996 km (0.088 R)
• M45: 10,934,408 km (0.079 R)
• M46: 11,150,128 km (0.112 R)
• M47: 11,285,663 km (0.102 R)
• M48: 12,194,171 km (0.107 R)
• M49: 12,474,218 km (0.119 R)
• M50: 12,727,936 km (0.117 R)
• M51: 12,926,453 km (0.094 R)
• M52: 13,154,739 km (0.099 R)
• M53: 13,412,945 km (0.114 R)
• M54: 13,934,742 km (0.073 R)
• M55: 14,139,392 km (0.082 R)
• M56: 14,404,031 km (0.076 R)
• M57: 14,878,406 km (0.109 R)
• M58: 15,721,091 km (0.12 R)
• M59: 16,672,084 km (0.07 R)
• M60: 16,827,217 km (0.041 R)
• M61: 17,138,979 km (0.056 R)
• M62: 17,264,193 km (0.06 R)
• M63: 17,483,952 km (0.102 R)
• M64: 17,831,318 km (0.1 R)
• M65: 17,958,327 km (0.067 R)
• M66: 18,500,918 km (0.083 R)
• M67: 19,178,597 km (0.088 R)
• M68: 19,504,271 km (0.12 R)
• M69: 19,700,394 km (0.071 R)
• M70: 20,491,916 km (0.099 R)
• M71: 20,591,698 km (0.073 R)
• M72: 21,092,402 km (0.083 R)
• M73: 21,226,591 km (0.107 R)
• M74: 21,394,739 km (0.1 R)
• M75: 22,003,902 km (0.057 R)
• M76: 22,276,469 km (0.115 R)
• M77: 22,721,673 km (0.071 R)
• M78: 23,100,754 km (0.119 R)
• M79: 23,169,868 km (0.097 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.2

Radius: 11

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.72 AU - 10.66 AU

Year: 13075 Days

Day: 12.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 45,959,432 km

• M1: 144,362 km (0.113 R)
• M2: 220,956 km (0.116 R)
• M3: 374,892 km (0.097 R)
• M4: 618,737 km (0.12 R)
• M5: 793,467 km (0.081 R)
• M6: 878,738 km (0.055 R)
• M7: 1,232,537 km (0.032 R)
• M8: 1,499,719 km (0.116 R)
• M9: 1,629,570 km (0.07 R)
• M10: 1,900,491 km (0.12 R)
• M11: 2,041,562 km (0.117 R)
• M12: 2,435,005 km (0.088 R)
• M13: 2,640,702 km (0.079 R)
• M14: 2,987,320 km (0.076 R)
• M15: 3,096,975 km (0.045 R)
• M16: 3,405,446 km (0.104 R)
• M17: 3,577,932 km (0.103 R)
• M18: 3,842,272 km (0.079 R)
• M19: 4,358,833 km (0.095 R)
• M20: 4,483,598 km (0.077 R)
• M21: 4,897,535 km (0.108 R)
• M22: 5,027,236 km (0.111 R)
• M23: 5,968,057 km (0.1 R)
• M24: 6,317,219 km (0.089 R)
• M25: 6,925,933 km (0.03 R)
• M26: 7,292,896 km (0.109 R)
• M27: 7,441,447 km (0.109 R)
• M28: 7,516,096 km (0.112 R)
• M29: 8,470,531 km (0.095 R)
• M30: 8,902,569 km (0.034 R)
• M31: 9,952,148 km (0.108 R)
• M32: 10,241,470 km (0.101 R)
• M33: 10,366,235 km (0.117 R)
• M34: 11,340,117 km (0.077 R)
• M35: 12,298,740 km (0.076 R)
• M36: 14,432,903 km (0.087 R)
• M37: 14,526,252 km (0.095 R)
• M38: 14,619,751 km (0.119 R)
• M39: 14,995,990 km (0.058 R)
• M40: 15,090,386 km (0.11 R)
• M41: 15,757,892 km (0.039 R)
• M42: 15,853,934 km (0.107 R)
• M43: 16,143,555 km (0.114 R)
• M44: 17,517,911 km (0.071 R)
• M45: 17,767,290 km (0.105 R)
• M46: 18,725,614 km (0.087 R)
• M47: 19,236,641 km (0.072 R)
• M48: 21,167,650 km (0.096 R)
• M49: 21,326,822 km (0.077 R)
• M50: 21,433,186 km (0.098 R)
• M51: 21,860,587 km (0.054 R)
• M52: 22,182,971 km (0.064 R)
• M53: 22,832,375 km (0.059 R)
• M54: 23,214,149 km (0.097 R)
• M55: 23,323,654 km (0.083 R)
• M56: 23,983,979 km (0.098 R)
• M57: 25,098,184 km (0.111 R)
• M58: 26,001,756 km (0.064 R)
• M59: 26,400,434 km (0.11 R)
• M60: 26,801,057 km (0.108 R)
• M61: 29,424,555 km (0.103 R)
• M62: 29,661,667 km (0.109 R)
• M63: 29,780,448 km (0.111 R)
• M64: 30,977,381 km (0.064 R)
• M65: 31,097,807 km (0.107 R)
• M66: 31,702,930 km (0.096 R)
• M67: 32,128,835 km (0.092 R)
• M68: 32,434,165 km (0.108 R)
• M69: 33,294,353 km (0.068 R)
• M70: 34,786,292 km (0.071 R)
• M71: 34,974,337 km (0.1 R)
• M72: 35,729,806 km (0.099 R)
• M73: 35,919,496 km (0.092 R)
• M74: 36,873,182 km (0.035 R)
• M75: 37,128,845 km (0.089 R)
• M76: 40,506,316 km (0.094 R)
• M77: 41,365,906 km (0.09 R)
• M78: 42,901,528 km (0.09 R)
• M79: 44,591,685 km (0.068 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 10,700 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit