🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.88 AU - 0.94 AU

Year: 322 Days

Day: 28.8 Hours

Environment

Temp: 29 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.79 AU - 1.13 AU

Year: 349 Days

Day: 27.6 Hours

Environment

Temp: 30 °C

Axial Tilt: 37.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 36,420,825 km

• M1: 93,499 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.33 AU - 1.93 AU

Year: 772 Days

Day: 25.2 Hours

Environment

Temp: -54 °C

Axial Tilt: 60.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,420,825 km

• M1: 77,791 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.59 AU - 1.69 AU

Year: 779 Days

Day: 26.5 Hours

Environment

Temp: -61 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.06 AU - 2.58 AU

Year: 1310 Days

Day: 34 Hours

Environment

Temp: -79 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.81 AU - 4.67 AU

Year: 3238 Days

Day: 28.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.56 AU - 5.08 AU

Year: 3330 Days

Day: 33.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,420,825 km

• M1: 3,163,696 km (0.105 R)

Asteroid Belt

Center: 6.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.6

Radius: 8.2

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.71 AU - 8.37 AU

Year: 8455 Days

Day: 6.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 36,420,825 km

• M1: 170,093 km (0.116 R)
• M2: 304,432 km (0.05 R)
• M3: 421,268 km (0.079 R)
• M4: 541,694 km (0.118 R)
• M5: 1,037,312 km (0.1 R)
• M6: 1,274,873 km (0.042 R)
• M7: 2,321,609 km (0.101 R)
• M8: 2,633,072 km (0.109 R)
• M9: 2,747,514 km (0.03 R)
• M10: 3,344,859 km (0.113 R)
• M11: 3,444,192 km (0.078 R)
• M12: 3,696,563 km (0.038 R)
• M13: 3,851,098 km (0.068 R)
• M14: 4,033,907 km (0.093 R)
• M15: 4,192,929 km (0.112 R)
• M16: 4,599,536 km (0.098 R)
• M17: 4,737,914 km (0.102 R)
• M18: 5,744,857 km (0.065 R)
• M19: 5,834,167 km (0.068 R)
• M20: 5,894,007 km (0.035 R)
• M21: 6,257,230 km (0.113 R)
• M22: 6,910,225 km (0.1 R)
• M23: 7,068,948 km (0.081 R)
• M24: 7,552,299 km (0.041 R)
• M25: 8,112,992 km (0.108 R)
• M26: 8,858,438 km (0.118 R)
• M27: 8,927,253 km (0.032 R)
• M28: 9,204,458 km (0.103 R)
• M29: 9,661,030 km (0.091 R)
• M30: 10,450,458 km (0.065 R)
• M31: 11,522,327 km (0.108 R)
• M32: 11,672,972 km (0.088 R)
• M33: 12,474,218 km (0.063 R)
• M34: 12,745,290 km (0.08 R)
• M35: 13,214,578 km (0.107 R)
• M36: 13,490,886 km (0.095 R)
• M37: 13,649,609 km (0.086 R)
• M38: 13,969,000 km (0.116 R)
• M39: 14,290,935 km (0.097 R)
• M40: 14,860,005 km (0.114 R)
• M41: 15,436,555 km (0.038 R)
• M42: 15,936,661 km (0.11 R)
• M43: 16,020,436 km (0.114 R)
• M44: 16,909,795 km (0.117 R)
• M45: 16,995,365 km (0.068 R)
• M46: 17,468,394 km (0.066 R)
• M47: 17,945,761 km (0.089 R)
• M48: 18,120,341 km (0.101 R)
• M49: 19,135,512 km (0.079 R)
• M50: 19,224,673 km (0.079 R)
• M51: 20,305,218 km (0.09 R)
• M52: 20,532,906 km (0.111 R)
• M53: 21,082,529 km (0.12 R)
• M54: 21,590,713 km (0.106 R)
• M55: 22,009,437 km (0.084 R)
• M56: 22,290,083 km (0.038 R)
• M57: 24,094,981 km (0.099 R)
• M58: 24,239,493 km (0.115 R)
• M59: 24,820,381 km (0.028 R)
• M60: 25,015,008 km (0.1 R)
• M61: 25,503,744 km (0.119 R)
• M62: 25,601,880 km (0.08 R)
• M63: 26,441,124 km (0.12 R)
• M64: 26,889,170 km (0.073 R)
• M65: 27,641,348 km (0.107 R)
• M66: 27,843,156 km (0.087 R)
• M67: 28,045,262 km (0.107 R)
• M68: 28,604,010 km (0.088 R)
• M69: 30,614,307 km (0.049 R)
• M70: 31,189,510 km (0.115 R)
• M71: 31,662,689 km (0.11 R)
• M72: 31,820,963 km (0.067 R)
• M73: 32,510,011 km (0.087 R)
• M74: 33,043,327 km (0.049 R)
• M75: 33,096,734 km (0.069 R)
• M76: 33,579,486 km (0.114 R)
• M77: 33,740,902 km (0.091 R)
• M78: 34,118,637 km (0.099 R)
• M79: 34,932,599 km (0.096 R)
• M80: 35,917,850 km (0.113 R)
• M81: 36,027,805 km (0.093 R)
• M82: 36,248,312 km (0.073 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.6

Radius: 11.2

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.17 AU - 9.27 AU

Year: 8740 Days

Day: 13.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 36,420,825 km

• M1: 140,622 km (0.12 R)
• M2: 236,664 km (0.113 R)
• M3: 356,342 km (0.105 R)
• M4: 427,102 km (0.092 R)
• M5: 645,365 km (0.112 R)
• M6: 884,423 km (0.067 R)
• M7: 1,677,441 km (0.114 R)
• M8: 1,853,069 km (0.116 R)
• M9: 1,988,904 km (0.099 R)
• M10: 2,343,301 km (0.068 R)
• M11: 2,820,967 km (0.12 R)
• M12: 2,899,207 km (0.069 R)
• M13: 3,111,486 km (0.106 R)
• M14: 3,836,288 km (0.041 R)
• M15: 4,011,018 km (0.084 R)
• M16: 4,612,252 km (0.078 R)
• M17: 4,735,820 km (0.102 R)
• M18: 5,731,543 km (0.074 R)
• M19: 5,998,875 km (0.045 R)
• M20: 6,685,080 km (0.119 R)
• M21: 6,825,403 km (0.071 R)
• M22: 7,002,078 km (0.088 R)
• M23: 7,468,674 km (0.092 R)
• M24: 8,583,776 km (0.104 R)
• M25: 9,355,851 km (0.111 R)
• M26: 9,512,929 km (0.048 R)
• M27: 9,670,904 km (0.11 R)
• M28: 9,789,984 km (0.112 R)
• M29: 9,869,570 km (0.063 R)
• M30: 10,109,824 km (0.117 R)
• M31: 10,311,482 km (0.076 R)
• M32: 10,718,987 km (0.087 R)
• M33: 10,801,116 km (0.119 R)
• M34: 11,048,700 km (0.109 R)
• M35: 12,015,252 km (0.111 R)
• M36: 12,314,897 km (0.112 R)
• M37: 12,573,551 km (0.098 R)
• M38: 13,804,742 km (0.099 R)
• M39: 14,028,690 km (0.085 R)
• M40: 14,118,598 km (0.112 R)
• M41: 14,890,523 km (0.116 R)
• M42: 15,489,962 km (0.112 R)
• M43: 16,475,064 km (0.096 R)
• M44: 17,966,255 km (0.038 R)
• M45: 18,308,835 km (0.1 R)
• M46: 18,407,120 km (0.12 R)
• M47: 18,752,691 km (0.058 R)
• M48: 19,050,391 km (0.085 R)
• M49: 19,249,805 km (0.047 R)
• M50: 19,600,463 km (0.098 R)
• M51: 19,902,800 km (0.119 R)
• M52: 20,206,484 km (0.077 R)
• M53: 22,480,970 km (0.108 R)
• M54: 22,956,092 km (0.104 R)
• M55: 24,617,975 km (0.055 R)
• M56: 25,107,759 km (0.099 R)
• M57: 26,596,257 km (0.048 R)
• M58: 26,986,857 km (0.065 R)
• M59: 27,830,141 km (0.09 R)
• M60: 28,853,540 km (0.081 R)
• M61: 29,427,547 km (0.105 R)
• M62: 30,005,144 km (0.096 R)
• M63: 31,054,424 km (0.099 R)
• M64: 32,353,083 km (0.045 R)
• M65: 33,669,394 km (0.114 R)
• M66: 33,789,970 km (0.065 R)
• M67: 34,213,033 km (0.036 R)
• M68: 34,334,207 km (0.031 R)
• M69: 34,759,514 km (0.088 R)
• M70: 35,308,837 km (0.119 R)
• M71: 35,861,003 km (0.094 R)
• M72: 36,230,809 km (0.118 R)
• M73: 37,036,244 km (0.11 R)
• M74: 37,160,709 km (0.064 R)
• M75: 38,035,707 km (0.112 R)
• M76: 38,854,307 km (0.115 R)
• M77: 39,233,986 km (0.054 R)
• M78: 39,678,591 km (0.087 R)
• M79: 40,188,870 km (0.042 R)
• M80: 41,022,579 km (0.095 R)
• M81: 41,280,186 km (0.065 R)
• M82: 41,603,018 km (0.063 R)
• M83: 42,121,375 km (0.069 R)
• M84: 42,381,226 km (0.096 R)
• M85: 43,491,991 km (0.095 R)
• M86: 43,952,154 km (0.092 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.8

Radius: 13.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.22 AU - 10.68 AU

Year: 11640 Days

Day: 8.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 36,420,825 km

• M1: 196,422 km (0.093 R)
• M2: 283,638 km (0.074 R)
• M3: 402,867 km (0.12 R)
• M4: 534,812 km (0.118 R)
• M5: 620,382 km (0.085 R)
• M6: 738,714 km (0.108 R)
• M7: 940,073 km (0.111 R)
• M8: 1,311,824 km (0.086 R)
• M9: 1,864,737 km (0.096 R)
• M10: 2,485,718 km (0.104 R)
• M11: 2,617,514 km (0.092 R)
• M12: 2,774,143 km (0.117 R)
• M13: 3,003,626 km (0.091 R)
• M14: 3,604,710 km (0.038 R)
• M15: 4,112,445 km (0.076 R)
• M16: 4,916,534 km (0.115 R)
• M17: 5,508,343 km (0.081 R)
• M18: 5,652,556 km (0.106 R)
• M19: 6,003,961 km (0.058 R)
• M20: 6,362,697 km (0.109 R)
• M21: 6,575,126 km (0.052 R)
• M22: 6,976,048 km (0.079 R)
• M23: 7,069,696 km (0.081 R)
• M24: 7,258,189 km (0.069 R)
• M25: 7,640,412 km (0.096 R)
• M26: 7,866,454 km (0.073 R)
• M27: 7,996,605 km (0.12 R)
• M28: 8,557,746 km (0.065 R)
• M29: 8,691,636 km (0.042 R)
• M30: 9,268,635 km (0.104 R)
• M31: 9,544,494 km (0.107 R)
• M32: 9,648,614 km (0.071 R)
• M33: 10,033,828 km (0.105 R)
• M34: 10,638,952 km (0.034 R)
• M35: 11,036,882 km (0.092 R)
• M36: 11,292,694 km (0.119 R)
• M37: 11,735,803 km (0.104 R)
• M38: 11,884,803 km (0.113 R)
• M39: 12,830,112 km (0.07 R)
• M40: 12,983,599 km (0.082 R)
• M41: 13,408,906 km (0.113 R)
• M42: 13,760,311 km (0.116 R)
• M43: 14,193,996 km (0.097 R)
• M44: 14,712,352 km (0.095 R)
• M45: 17,057,598 km (0.063 R)
• M46: 17,226,494 km (0.084 R)
• M47: 18,122,436 km (0.095 R)
• M48: 18,641,241 km (0.067 R)
• M49: 19,782,074 km (0.119 R)
• M50: 20,048,508 km (0.051 R)
• M51: 20,900,319 km (0.044 R)
• M52: 21,035,854 km (0.098 R)
• M53: 21,444,406 km (0.104 R)
• M54: 21,901,278 km (0.091 R)
• M55: 22,685,470 km (0.065 R)
• M56: 23,057,669 km (0.093 R)
• M57: 23,151,018 km (0.095 R)
• M58: 23,431,963 km (0.089 R)
• M59: 24,376,375 km (0.1 R)
• M60: 24,805,421 km (0.114 R)
• M61: 24,949,035 km (0.07 R)
• M62: 26,693,496 km (0.095 R)
• M63: 27,037,272 km (0.069 R)
• M64: 28,527,267 km (0.045 R)
• M65: 29,789,125 km (0.085 R)
• M66: 30,555,066 km (0.111 R)
• M67: 30,760,314 km (0.108 R)
• M68: 31,845,946 km (0.113 R)
• M69: 32,628,941 km (0.071 R)
• M70: 33,735,965 km (0.076 R)
• M71: 34,160,823 km (0.061 R)
• M72: 35,069,780 km (0.053 R)
• M73: 35,446,318 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 16,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit