🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.49 AU - 0.55 AU

Year: 137 Days

Day: 23.6 Hours

Environment

Temp: 232 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.63 AU - 0.73 AU

Year: 205 Days

Day: 19.7 Hours

Environment

Temp: 141 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,470,767 km

• M1: 96,491 km (0.083 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.78 AU - 1.24 AU

Year: 371 Days

Day: 47.4 Hours

Environment

Temp: 42 °C

Axial Tilt: 4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,470,767 km

• M1: 55,052 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.31 AU - 1.83 AU

Year: 719 Days

Day: 24.7 Hours

Environment

Temp: -35 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.66 AU - 1.7 AU

Year: 795 Days

Day: 33.3 Hours

Environment

Temp: -45 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.32 AU - 2.32 AU

Year: 1291 Days

Day: 41.7 Hours

Environment

Temp: -91 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,470,767 km

• M1: 170,841 km (0.119 R)
• M2: 660,475 km (0.095 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.65 AU - 3.65 AU

Year: 2042 Days

Day: 39.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.9

Radius: 11.6

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.11 AU - 5.59 AU

Year: 3901 Days

Day: 14.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 71,470,767 km

• M1: 218,114 km (0.105 R)
• M2: 308,172 km (0.035 R)
• M3: 481,406 km (0.062 R)
• M4: 921,672 km (0.096 R)
• M5: 1,150,258 km (0.092 R)
• M6: 1,285,495 km (0.108 R)
• M7: 1,383,481 km (0.105 R)
• M8: 1,498,821 km (0.048 R)
• M9: 1,708,557 km (0.039 R)
• M10: 2,173,657 km (0.06 R)
• M11: 2,394,912 km (0.114 R)
• M12: 2,731,807 km (0.079 R)
• M13: 2,933,764 km (0.055 R)
• M14: 3,470,371 km (0.094 R)
• M15: 3,609,348 km (0.101 R)
• M16: 3,709,878 km (0.118 R)
• M17: 3,975,414 km (0.106 R)
• M18: 4,310,812 km (0.046 R)
• M19: 4,460,560 km (0.056 R)
• M20: 5,212,139 km (0.092 R)
• M21: 5,417,836 km (0.111 R)
• M22: 5,556,364 km (0.116 R)
• M23: 6,098,507 km (0.073 R)
• M24: 6,266,954 km (0.043 R)
• M25: 6,339,509 km (0.063 R)
• M26: 6,412,513 km (0.104 R)
• M27: 6,534,734 km (0.105 R)
• M28: 7,031,250 km (0.116 R)
• M29: 7,106,796 km (0.085 R)
• M30: 7,284,070 km (0.102 R)
• M31: 7,514,301 km (0.113 R)
• M32: 7,746,776 km (0.077 R)
• M33: 7,903,256 km (0.11 R)
• M34: 8,245,685 km (0.099 R)
• M35: 8,755,066 km (0.087 R)
• M36: 8,972,581 km (0.1 R)
• M37: 9,164,366 km (0.086 R)
• M38: 9,524,148 km (0.109 R)
• M39: 9,860,444 km (0.115 R)
• M40: 10,660,494 km (0.119 R)
• M41: 10,747,410 km (0.117 R)
• M42: 11,038,976 km (0.038 R)
• M43: 11,274,144 km (0.077 R)
• M44: 11,481,188 km (0.116 R)
• M45: 11,869,245 km (0.04 R)
• M46: 11,989,372 km (0.083 R)
• M47: 12,444,000 km (0.098 R)
• M48: 13,089,963 km (0.095 R)
• M49: 13,307,628 km (0.065 R)
• M50: 13,558,055 km (0.105 R)
• M51: 13,746,848 km (0.107 R)
• M52: 14,607,035 km (0.065 R)
• M53: 15,190,317 km (0.104 R)
• M54: 15,748,168 km (0.027 R)
• M55: 15,946,684 km (0.119 R)
• M56: 16,379,620 km (0.059 R)
• M57: 16,985,342 km (0.067 R)
• M58: 17,530,028 km (0.095 R)
• M59: 17,770,282 km (0.099 R)
• M60: 17,873,505 km (0.062 R)
• M61: 18,115,105 km (0.096 R)
• M62: 18,253,783 km (0.103 R)
• M63: 18,532,035 km (0.086 R)
• M64: 18,636,753 km (0.095 R)
• M65: 18,846,639 km (0.084 R)
• M66: 19,163,188 km (0.109 R)
• M67: 19,801,522 km (0.1 R)
• M68: 19,944,239 km (0.08 R)
• M69: 20,554,897 km (0.083 R)
• M70: 20,699,558 km (0.091 R)
• M71: 20,880,721 km (0.103 R)
• M72: 21,135,337 km (0.12 R)
• M73: 21,500,804 km (0.117 R)
• M74: 21,979,069 km (0.119 R)
• M75: 22,423,674 km (0.106 R)
• M76: 24,002,978 km (0.12 R)
• M77: 24,499,194 km (0.095 R)
• M78: 25,191,683 km (0.105 R)
• M79: 25,462,754 km (0.097 R)
• M80: 25,618,037 km (0.042 R)
• M81: 25,890,604 km (0.119 R)
• M82: 26,007,739 km (0.045 R)
• M83: 26,085,979 km (0.089 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.1

Radius: 12.7

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.04 AU - 10.56 AU

Year: 12074 Days

Day: 6.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 71,470,767 km

• M1: 177,423 km (0.113 R)
• M2: 302,188 km (0.079 R)
• M3: 1,898,846 km (0.1 R)
• M4: 2,503,969 km (0.11 R)
• M5: 2,649,677 km (0.088 R)
• M6: 2,768,309 km (0.033 R)
• M7: 3,072,740 km (0.084 R)
• M8: 3,197,654 km (0.072 R)
• M9: 3,615,481 km (0.115 R)
• M10: 3,847,807 km (0.119 R)
• M11: 4,153,734 km (0.093 R)
• M12: 4,789,525 km (0.032 R)
• M13: 4,898,582 km (0.076 R)
• M14: 5,493,832 km (0.095 R)
• M15: 5,608,125 km (0.119 R)
• M16: 5,723,016 km (0.093 R)
• M17: 5,994,536 km (0.102 R)
• M18: 7,205,381 km (0.118 R)
• M19: 7,330,744 km (0.117 R)
• M20: 9,023,893 km (0.102 R)
• M21: 9,158,980 km (0.095 R)
• M22: 9,340,143 km (0.112 R)
• M23: 9,568,429 km (0.115 R)
• M24: 10,264,209 km (0.064 R)
• M25: 11,072,486 km (0.105 R)
• M26: 11,557,483 km (0.074 R)
• M27: 12,851,055 km (0.111 R)
• M28: 13,309,423 km (0.114 R)
• M29: 13,566,433 km (0.066 R)
• M30: 14,294,974 km (0.092 R)
• M31: 14,769,947 km (0.111 R)
• M32: 14,876,162 km (0.066 R)
• M33: 15,089,488 km (0.108 R)
• M34: 18,638,100 km (0.086 R)
• M35: 18,810,586 km (0.097 R)
• M36: 19,563,961 km (0.117 R)
• M37: 20,032,501 km (0.12 R)
• M38: 21,160,020 km (0.06 R)
• M39: 21,761,853 km (0.041 R)
• M40: 21,943,464 km (0.048 R)
• M41: 24,475,857 km (0.059 R)
• M42: 25,044,030 km (0.038 R)
• M43: 25,425,355 km (0.091 R)
• M44: 25,552,812 km (0.088 R)
• M45: 25,936,680 km (0.11 R)
• M46: 26,645,176 km (0.053 R)
• M47: 26,904,429 km (0.072 R)
• M48: 28,213,261 km (0.077 R)
• M49: 28,543,723 km (0.102 R)
• M50: 28,941,952 km (0.043 R)
• M51: 29,141,815 km (0.12 R)
• M52: 30,215,180 km (0.115 R)
• M53: 32,331,541 km (0.115 R)
• M54: 32,677,411 km (0.05 R)
• M55: 34,213,631 km (0.077 R)
• M56: 34,495,474 km (0.108 R)
• M57: 34,990,493 km (0.114 R)
• M58: 37,066,612 km (0.108 R)
• M59: 38,375,145 km (0.115 R)
• M60: 39,108,623 km (0.118 R)
• M61: 40,069,191 km (0.095 R)
• M62: 40,217,592 km (0.081 R)
• M63: 40,887,940 km (0.037 R)
• M64: 42,315,254 km (0.103 R)
• M65: 42,921,125 km (0.102 R)
• M66: 43,988,207 km (0.091 R)
• M67: 45,373,184 km (0.068 R)
• M68: 46,382,221 km (0.077 R)
• M69: 47,634,206 km (0.111 R)
• M70: 47,791,583 km (0.064 R)
• M71: 47,948,960 km (0.095 R)
• M72: 48,818,124 km (0.072 R)
• M73: 49,931,880 km (0.075 R)
• M74: 50,171,685 km (0.077 R)
• M75: 51,054,013 km (0.112 R)
• M76: 52,590,084 km (0.082 R)
• M77: 52,752,697 km (0.106 R)
• M78: 53,486,325 km (0.097 R)
• M79: 53,813,496 km (0.087 R)
• M80: 54,799,046 km (0.068 R)

Planet 10 - Gas Giant

Semi-Major Axis: 12.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949

Radius: 10.1

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 11.49 AU - 12.81 AU

Year: 15469 Days

Day: 11.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 71,470,767 km

• M1: 127,906 km (0.029 R)
• M2: 219,460 km (0.107 R)
• M3: 297,849 km (0.036 R)
• M4: 374,443 km (0.094 R)
• M5: 515,065 km (0.086 R)
• M6: 654,042 km (0.108 R)
• M7: 923,318 km (0.116 R)
• M8: 1,174,194 km (0.03 R)
• M9: 1,620,444 km (0.098 R)
• M10: 1,709,754 km (0.031 R)
• M11: 1,800,859 km (0.115 R)
• M12: 2,415,706 km (0.091 R)
• M13: 3,547,115 km (0.099 R)
• M14: 3,822,974 km (0.107 R)
• M15: 5,894,904 km (0.088 R)
• M16: 6,127,828 km (0.091 R)
• M17: 6,796,231 km (0.106 R)
• M18: 7,588,202 km (0.096 R)
• M19: 7,790,908 km (0.091 R)
• M20: 10,358,306 km (0.117 R)
• M21: 11,383,052 km (0.075 R)
• M22: 11,907,542 km (0.056 R)
• M23: 12,919,571 km (0.084 R)
• M24: 13,283,393 km (0.096 R)
• M25: 14,394,906 km (0.092 R)
• M26: 15,536,188 km (0.1 R)
• M27: 15,664,692 km (0.109 R)
• M28: 15,858,272 km (0.091 R)
• M29: 16,052,749 km (0.083 R)
• M30: 16,837,988 km (0.111 R)
• M31: 17,502,053 km (0.098 R)
• M32: 18,718,882 km (0.08 R)
• M33: 19,199,391 km (0.082 R)
• M34: 20,172,674 km (0.107 R)
• M35: 20,242,836 km (0.076 R)
• M36: 21,161,965 km (0.082 R)
• M37: 21,806,283 km (0.072 R)
• M38: 22,166,964 km (0.092 R)
• M39: 22,894,458 km (0.063 R)
• M40: 22,967,611 km (0.112 R)
• M41: 23,040,765 km (0.041 R)
• M42: 26,570,377 km (0.063 R)
• M43: 26,647,270 km (0.113 R)
• M44: 27,731,855 km (0.114 R)
• M45: 28,909,789 km (0.119 R)
• M46: 30,104,028 km (0.079 R)
• M47: 30,184,213 km (0.079 R)
• M48: 31,152,111 km (0.075 R)
• M49: 32,870,243 km (0.074 R)
• M50: 34,871,264 km (0.082 R)
• M51: 35,039,860 km (0.1 R)
• M52: 36,740,040 km (0.105 R)
• M53: 38,206,099 km (0.092 R)
• M54: 38,293,016 km (0.072 R)
• M55: 40,043,610 km (0.056 R)
• M56: 40,485,373 km (0.076 R)
• M57: 40,573,934 km (0.119 R)
• M58: 41,106,503 km (0.073 R)
• M59: 41,820,234 km (0.086 R)
• M60: 42,358,188 km (0.094 R)
• M61: 43,350,471 km (0.071 R)
• M62: 45,174,219 km (0.092 R)
• M63: 46,095,442 km (0.118 R)
• M64: 46,558,298 km (0.086 R)
• M65: 46,651,198 km (0.091 R)
• M66: 47,302,248 km (0.038 R)
• M67: 47,395,597 km (0.071 R)
• M68: 50,031,661 km (0.079 R)
• M69: 51,080,343 km (0.115 R)
• M70: 51,943,672 km (0.104 R)
• M71: 52,040,013 km (0.06 R)
• M72: 53,296,336 km (0.046 R)
• M73: 57,025,661 km (0.114 R)
• M74: 57,422,993 km (0.068 R)
• M75: 58,020,936 km (0.102 R)
• M76: 60,939,740 km (0.04 R)
• M77: 61,753,253 km (0.11 R)
• M78: 64,628,973 km (0.063 R)
• M79: 64,939,538 km (0.097 R)
• M80: 65,874,674 km (0.059 R)
• M81: 68,706,412 km (0.068 R)
• M82: 69,341,156 km (0.104 R)
• M83: 70,936,318 km (0.036 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 12,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit