🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.09 AU - 1.11 AU

Year: 411 Days

Day: 12.5 Hours

Environment

Temp: 17 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.05 AU - 1.53 AU

Year: 522 Days

Day: 22.6 Hours

Environment

Temp: 0 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 98,852,626 km

• M1: 22,440 km (0.117 R)
• M2: 593,754 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.27 AU - 1.45 AU

Year: 565 Days

Day: 25.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 13.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.8 AU - 2.06 AU

Year: 956 Days

Day: 28.2 Hours

Environment

Temp: -44 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,852,626 km

• M1: 132,245 km (0.094 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.16 AU - 2.52 AU

Year: 1276 Days

Day: 23 Hours

Environment

Temp: -80 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,852,626 km

• M1: 186,399 km (0.113 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.02 AU - 2.94 AU

Year: 1392 Days

Day: 14.7 Hours

Environment

Temp: -82 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.8

Radius: 11.6

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.41 AU - 6.67 AU

Year: 5291 Days

Day: 12.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 98,852,626 km

• M1: 145,260 km (0.04 R)
• M2: 220,058 km (0.092 R)
• M3: 299,196 km (0.1 R)
• M4: 616,792 km (0.064 R)
• M5: 921,373 km (0.108 R)
• M6: 1,048,083 km (0.075 R)
• M7: 1,211,294 km (0.106 R)
• M8: 1,288,486 km (0.118 R)
• M9: 1,367,325 km (0.111 R)
• M10: 1,464,264 km (0.082 R)
• M11: 1,563,597 km (0.07 R)
• M12: 1,682,677 km (0.026 R)
• M13: 1,929,813 km (0.086 R)
• M14: 2,021,067 km (0.076 R)
• M15: 2,265,361 km (0.078 R)
• M16: 2,440,240 km (0.078 R)
• M17: 2,539,274 km (0.099 R)
• M18: 2,639,804 km (0.108 R)
• M19: 2,741,531 km (0.051 R)
• M20: 2,907,285 km (0.086 R)
• M21: 3,205,583 km (0.059 R)
• M22: 3,358,323 km (0.11 R)
• M23: 4,135,184 km (0.043 R)
• M24: 4,519,800 km (0.081 R)
• M25: 5,609,771 km (0.069 R)
• M26: 5,874,559 km (0.073 R)
• M27: 5,981,671 km (0.111 R)
• M28: 6,582,456 km (0.044 R)
• M29: 7,900,264 km (0.1 R)
• M30: 7,989,125 km (0.043 R)
• M31: 8,078,135 km (0.086 R)
• M32: 8,498,356 km (0.054 R)
• M33: 8,987,242 km (0.064 R)
• M34: 9,360,040 km (0.091 R)
• M35: 9,485,403 km (0.104 R)
• M36: 9,706,209 km (0.077 R)
• M37: 9,928,661 km (0.096 R)
• M38: 10,024,553 km (0.114 R)
• M39: 10,249,399 km (0.088 R)
• M40: 10,573,727 km (0.117 R)
• M41: 10,704,326 km (0.115 R)
• M42: 10,967,169 km (0.087 R)
• M43: 11,298,828 km (0.066 R)
• M44: 11,802,524 km (0.103 R)
• M45: 12,005,977 km (0.085 R)
• M46: 12,279,292 km (0.098 R)
• M47: 13,146,212 km (0.086 R)
• M48: 14,212,695 km (0.077 R)
• M49: 14,537,921 km (0.041 R)
• M50: 15,122,400 km (0.028 R)
• M51: 15,269,754 km (0.097 R)
• M52: 15,491,608 km (0.069 R)
• M53: 15,863,807 km (0.087 R)
• M54: 16,163,751 km (0.074 R)
• M55: 16,731,175 km (0.09 R)
• M56: 17,036,355 km (0.095 R)
• M57: 18,275,923 km (0.091 R)
• M58: 18,472,195 km (0.113 R)
• M59: 18,866,835 km (0.032 R)
• M60: 19,664,640 km (0.079 R)
• M61: 20,189,130 km (0.047 R)
• M62: 20,351,444 km (0.11 R)
• M63: 21,087,166 km (0.096 R)
• M64: 22,374,755 km (0.084 R)
• M65: 23,133,964 km (0.038 R)
• M66: 23,474,150 km (0.105 R)
• M67: 26,033,620 km (0.094 R)
• M68: 26,965,914 km (0.107 R)
• M69: 27,189,413 km (0.107 R)
• M70: 27,279,022 km (0.074 R)
• M71: 27,863,800 km (0.093 R)
• M72: 29,000,146 km (0.106 R)
• M73: 29,091,700 km (0.092 R)
• M74: 29,275,107 km (0.102 R)
• M75: 29,643,117 km (0.108 R)
• M76: 30,430,002 km (0.052 R)
• M77: 30,989,797 km (0.101 R)
• M78: 31,083,446 km (0.085 R)
• M79: 31,317,865 km (0.07 R)
• M80: 31,458,787 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.7

Radius: 9.1

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.78 AU - 7.44 AU

Year: 5383 Days

Day: 9 Hours

Environment

Temp: -137 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 98,852,626 km

• M1: 117,883 km (0.115 R)
• M2: 177,573 km (0.118 R)
• M3: 271,819 km (0.053 R)
• M4: 372,200 km (0.094 R)
• M5: 561,740 km (0.096 R)
• M6: 662,868 km (0.096 R)
• M7: 871,707 km (0.118 R)
• M8: 1,087,726 km (0.111 R)
• M9: 1,246,300 km (0.114 R)
• M10: 1,366,577 km (0.073 R)
• M11: 2,025,406 km (0.058 R)
• M12: 2,770,852 km (0.069 R)
• M13: 3,152,476 km (0.078 R)
• M14: 3,297,436 km (0.049 R)
• M15: 3,360,118 km (0.108 R)
• M16: 3,444,491 km (0.101 R)
• M17: 3,636,874 km (0.084 R)
• M18: 3,788,865 km (0.077 R)
• M19: 4,235,116 km (0.077 R)
• M20: 5,055,810 km (0.085 R)
• M21: 5,299,205 km (0.071 R)
• M22: 5,372,957 km (0.085 R)
• M23: 5,471,991 km (0.07 R)
• M24: 5,975,687 km (0.109 R)
• M25: 6,207,264 km (0.112 R)
• M26: 6,573,330 km (0.067 R)
• M27: 7,217,349 km (0.087 R)
• M28: 7,299,179 km (0.116 R)
• M29: 7,436,510 km (0.098 R)
• M30: 7,881,414 km (0.084 R)
• M31: 7,965,787 km (0.038 R)
• M32: 8,078,734 km (0.091 R)
• M33: 8,249,275 km (0.11 R)
• M34: 8,651,694 km (0.097 R)
• M35: 8,884,468 km (0.115 R)
• M36: 9,031,074 km (0.098 R)
• M37: 9,475,679 km (0.042 R)
• M38: 9,806,290 km (0.107 R)
• M39: 10,201,976 km (0.077 R)
• M40: 10,602,749 km (0.058 R)
• M41: 10,914,661 km (0.119 R)
• M42: 11,643,352 km (0.114 R)
• M43: 12,127,151 km (0.044 R)
• M44: 12,322,526 km (0.097 R)
• M45: 12,848,512 km (0.085 R)
• M46: 12,914,784 km (0.094 R)
• M47: 13,685,064 km (0.097 R)
• M48: 14,161,234 km (0.12 R)
• M49: 14,367,080 km (0.114 R)
• M50: 14,539,267 km (0.046 R)
• M51: 14,851,029 km (0.094 R)
• M52: 15,095,024 km (0.077 R)
• M53: 15,977,202 km (0.08 R)
• M54: 16,048,411 km (0.119 R)
• M55: 16,119,919 km (0.077 R)
• M56: 16,191,426 km (0.086 R)
• M57: 16,803,431 km (0.027 R)
• M58: 17,057,748 km (0.091 R)
• M59: 17,313,261 km (0.091 R)
• M60: 17,386,564 km (0.04 R)
• M61: 17,606,921 km (0.063 R)
• M62: 18,497,478 km (0.096 R)
• M63: 19,251,002 km (0.104 R)
• M64: 19,326,848 km (0.099 R)
• M65: 19,478,989 km (0.101 R)
• M66: 20,515,852 km (0.087 R)
• M67: 21,491,978 km (0.091 R)
• M68: 22,124,627 km (0.111 R)
• M69: 22,363,535 km (0.107 R)
• M70: 22,483,214 km (0.068 R)
• M71: 23,044,804 km (0.062 R)
• M72: 23,489,259 km (0.109 R)
• M73: 24,263,727 km (0.072 R)
• M74: 24,551,105 km (0.027 R)
• M75: 24,757,101 km (0.09 R)
• M76: 25,087,862 km (0.088 R)
• M77: 26,594,462 km (0.107 R)
• M78: 27,230,852 km (0.052 R)
• M79: 27,915,262 km (0.095 R)
• M80: 28,345,805 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.5

Radius: 6.9

Gravity: 19.69 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 13.69 AU - 20.61 AU

Year: 25316 Days

Day: 18.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 125.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 98,852,626 km

• M1: 156,479 km (0.109 R)
• M2: 199,713 km (0.105 R)
• M3: 267,182 km (0.085 R)
• M4: 344,524 km (0.112 R)
• M5: 548,575 km (0.065 R)
• M6: 1,028,635 km (0.107 R)
• M7: 1,429,856 km (0.111 R)
• M8: 2,404,935 km (0.086 R)
• M9: 2,752,451 km (0.103 R)
• M10: 2,841,911 km (0.029 R)
• M11: 3,494,307 km (0.061 R)
• M12: 3,987,980 km (0.108 R)
• M13: 4,242,895 km (0.106 R)
• M14: 4,503,195 km (0.111 R)
• M15: 4,984,900 km (0.043 R)
• M16: 5,881,141 km (0.073 R)
• M17: 6,525,758 km (0.12 R)
• M18: 7,691,275 km (0.077 R)
• M19: 8,008,572 km (0.116 R)
• M20: 8,395,133 km (0.093 R)
• M21: 8,919,773 km (0.085 R)
• M22: 9,455,034 km (0.057 R)
• M23: 9,931,952 km (0.111 R)
• M24: 10,277,523 km (0.093 R)
• M25: 10,909,275 km (0.049 R)
• M26: 11,122,602 km (0.069 R)
• M27: 11,625,849 km (0.087 R)
• M28: 13,255,419 km (0.041 R)
• M29: 14,251,441 km (0.094 R)
• M30: 15,670,078 km (0.106 R)
• M31: 15,991,414 km (0.06 R)
• M32: 17,132,995 km (0.077 R)
• M33: 17,547,082 km (0.117 R)
• M34: 18,048,385 km (0.073 R)
• M35: 18,216,533 km (0.114 R)
• M36: 18,300,756 km (0.095 R)
• M37: 19,236,192 km (0.075 R)
• M38: 19,666,585 km (0.032 R)
• M39: 20,976,464 km (0.076 R)
• M40: 22,495,032 km (0.109 R)
• M41: 24,698,160 km (0.108 R)
• M42: 29,108,903 km (0.114 R)
• M43: 29,306,223 km (0.111 R)
• M44: 29,701,909 km (0.059 R)
• M45: 30,099,391 km (0.087 R)
• M46: 30,298,805 km (0.092 R)
• M47: 31,100,949 km (0.074 R)
• M48: 32,317,179 km (0.12 R)
• M49: 32,931,129 km (0.083 R)
• M50: 34,066,577 km (0.107 R)
• M51: 34,795,866 km (0.118 R)
• M52: 35,110,022 km (0.112 R)
• M53: 35,952,258 km (0.111 R)
• M54: 36,163,789 km (0.112 R)
• M55: 39,060,602 km (0.081 R)
• M56: 40,152,368 km (0.075 R)
• M57: 40,591,886 km (0.077 R)
• M58: 41,475,561 km (0.099 R)
• M59: 44,051,487 km (0.103 R)
• M60: 45,187,533 km (0.11 R)
• M61: 45,988,480 km (0.119 R)
• M62: 46,448,344 km (0.113 R)
• M63: 47,256,621 km (0.093 R)
• M64: 51,486,351 km (0.061 R)
• M65: 52,202,925 km (0.112 R)
• M66: 55,224,353 km (0.107 R)
• M67: 57,187,676 km (0.083 R)
• M68: 58,177,864 km (0.097 R)
• M69: 60,552,132 km (0.055 R)
• M70: 62,194,866 km (0.088 R)
• M71: 64,750,596 km (0.084 R)
• M72: 65,394,914 km (0.035 R)
• M73: 65,653,270 km (0.056 R)
• M74: 66,819,834 km (0.101 R)
• M75: 69,700,191 km (0.116 R)
• M76: 69,964,082 km (0.062 R)
• M77: 70,890,093 km (0.093 R)
• M78: 71,687,150 km (0.093 R)
• M79: 73,156,201 km (0.114 R)
• M80: 73,692,809 km (0.09 R)
• M81: 78,580,770 km (0.116 R)
• M82: 78,992,912 km (0.118 R)
• M83: 83,432,528 km (0.06 R)
• M84: 84,133,394 km (0.117 R)
• M85: 84,273,866 km (0.073 R)
• M86: 84,977,275 km (0.08 R)
• M87: 85,823,700 km (0.04 R)
• M88: 86,673,117 km (0.109 R)
• M89: 87,525,226 km (0.082 R)
• M90: 88,094,895 km (0.058 R)
• M91: 88,522,894 km (0.07 R)
• M92: 89,524,303 km (0.12 R)
• M93: 90,385,687 km (0.081 R)
• M94: 91,538,488 km (0.106 R)
• M95: 95,318,378 km (0.062 R)
• M96: 97,965,063 km (0.101 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 20,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit