🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.56 AU - 0.66 AU

Year: 174 Days

Day: 14.5 Hours

Environment

Temp: 204 °C

Axial Tilt: 31.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 31,610,050 km

• M1: 39,643 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.87 AU - 1.01 AU

Year: 333 Days

Day: 43.7 Hours

Environment

Temp: 80 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.92 AU - 1.02 AU

Year: 349 Days

Day: 38.9 Hours

Environment

Temp: 28 °C

Axial Tilt: 16.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.79 AU - 2.47 AU

Year: 1135 Days

Day: 23.5 Hours

Environment

Temp: -63 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.24 AU - 2.66 AU

Year: 1401 Days

Day: 13.4 Hours

Environment

Temp: -79 °C

Axial Tilt: 120.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.92 AU - 3.14 AU

Year: 1470 Days

Day: 20.5 Hours

Environment

Temp: -78 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.62 AU - 2.9 AU

Year: 1675 Days

Day: 19.1 Hours

Environment

Temp: -87 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,610,050 km

• M1: 423,063 km (0.092 R)
• M2: 831,016 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353

Radius: 13.7

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.14 AU - 6.5 AU

Year: 4482 Days

Day: 5.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 31,610,050 km

• M1: 176,077 km (0.032 R)
• M2: 274,961 km (0.112 R)
• M3: 629,209 km (0.108 R)
• M4: 733,628 km (0.118 R)
• M5: 876,644 km (0.056 R)
• M6: 1,278,314 km (0.085 R)
• M7: 1,586,485 km (0.117 R)
• M8: 1,694,645 km (0.106 R)
• M9: 1,833,621 km (0.103 R)
• M10: 2,034,830 km (0.118 R)
• M11: 2,123,392 km (0.109 R)
• M12: 2,228,410 km (0.084 R)
• M13: 2,412,565 km (0.043 R)
• M14: 2,522,519 km (0.118 R)
• M15: 3,080,370 km (0.118 R)
• M16: 3,373,881 km (0.026 R)
• M17: 3,461,994 km (0.096 R)
• M18: 3,895,678 km (0.069 R)
• M19: 4,232,573 km (0.075 R)
• M20: 4,501,101 km (0.043 R)
• M21: 4,618,086 km (0.104 R)
• M22: 4,874,796 km (0.107 R)
• M23: 4,974,728 km (0.07 R)
• M24: 5,136,293 km (0.092 R)
• M25: 5,589,425 km (0.06 R)
• M26: 6,034,180 km (0.11 R)
• M27: 6,163,283 km (0.116 R)
• M28: 6,271,741 km (0.075 R)
• M29: 6,424,481 km (0.061 R)
• M30: 6,778,429 km (0.103 R)
• M31: 6,935,357 km (0.11 R)
• M32: 7,925,546 km (0.08 R)
• M33: 8,019,942 km (0.105 R)
• M34: 8,138,423 km (0.061 R)
• M35: 8,257,503 km (0.082 R)
• M36: 8,618,333 km (0.089 R)
• M37: 8,886,263 km (0.079 R)
• M38: 9,580,696 km (0.067 R)
• M39: 9,706,508 km (0.111 R)
• M40: 10,215,590 km (0.103 R)
• M41: 10,525,108 km (0.117 R)
• M42: 11,048,102 km (0.108 R)
• M43: 11,153,718 km (0.057 R)
• M44: 11,472,511 km (0.117 R)
• M45: 11,740,590 km (0.096 R)
• M46: 12,364,862 km (0.039 R)
• M47: 13,448,250 km (0.093 R)
• M48: 13,816,111 km (0.081 R)
• M49: 14,475,240 km (0.078 R)
• M50: 15,085,898 km (0.119 R)
• M51: 15,497,741 km (0.075 R)
• M52: 15,586,602 km (0.116 R)
• M53: 15,705,084 km (0.076 R)
• M54: 16,543,580 km (0.042 R)
• M55: 16,937,920 km (0.116 R)
• M56: 17,121,028 km (0.094 R)
• M57: 17,243,399 km (0.06 R)
• M58: 17,458,221 km (0.112 R)
• M59: 17,766,692 km (0.036 R)
• M60: 18,045,991 km (0.102 R)
• M61: 19,113,970 km (0.083 R)
• M62: 19,368,287 km (0.115 R)
• M63: 19,495,744 km (0.059 R)
• M64: 19,719,692 km (0.103 R)
• M65: 19,944,388 km (0.114 R)
• M66: 20,396,473 km (0.109 R)
• M67: 20,526,324 km (0.041 R)
• M68: 20,721,549 km (0.084 R)
• M69: 21,015,509 km (0.078 R)
• M70: 21,245,142 km (0.065 R)
• M71: 21,442,611 km (0.12 R)
• M72: 22,271,981 km (0.109 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.2

Radius: 14.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.36 AU - 5.84 AU

Year: 4840 Days

Day: 6.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 31,610,050 km

• M1: 280,646 km (0.067 R)
• M2: 500,255 km (0.062 R)
• M3: 627,563 km (0.072 R)
• M4: 734,526 km (0.036 R)
• M5: 933,341 km (0.09 R)
• M6: 1,059,452 km (0.096 R)
• M7: 1,205,310 km (0.03 R)
• M8: 1,358,648 km (0.095 R)
• M9: 2,105,291 km (0.05 R)
• M10: 2,223,922 km (0.054 R)
• M11: 2,468,365 km (0.107 R)
• M12: 2,777,135 km (0.102 R)
• M13: 3,041,175 km (0.114 R)
• M14: 3,195,710 km (0.088 R)
• M15: 3,333,190 km (0.064 R)
• M16: 4,114,390 km (0.115 R)
• M17: 4,372,746 km (0.083 R)
• M18: 5,111,011 km (0.067 R)
• M19: 5,272,577 km (0.097 R)
• M20: 5,936,343 km (0.078 R)
• M21: 6,651,720 km (0.091 R)
• M22: 6,879,408 km (0.119 R)
• M23: 7,394,473 km (0.072 R)
• M24: 7,868,998 km (0.117 R)
• M25: 8,353,396 km (0.116 R)
• M26: 8,571,808 km (0.078 R)
• M27: 8,709,289 km (0.039 R)
• M28: 9,407,761 km (0.083 R)
• M29: 9,893,057 km (0.04 R)
• M30: 10,977,641 km (0.088 R)
• M31: 11,097,170 km (0.07 R)
• M32: 11,428,081 km (0.05 R)
• M33: 11,549,255 km (0.09 R)
• M34: 11,884,653 km (0.094 R)
• M35: 12,099,925 km (0.05 R)
• M36: 12,534,058 km (0.09 R)
• M37: 12,910,296 km (0.077 R)
• M38: 13,004,842 km (0.082 R)
• M39: 13,163,117 km (0.098 R)
• M40: 13,481,611 km (0.092 R)
• M41: 13,834,961 km (0.101 R)
• M42: 14,191,153 km (0.113 R)
• M43: 14,979,235 km (0.094 R)
• M44: 15,311,791 km (0.113 R)
• M45: 15,445,531 km (0.091 R)
• M46: 15,546,061 km (0.071 R)
• M47: 16,290,011 km (0.111 R)
• M48: 16,838,437 km (0.046 R)
• M49: 17,602,284 km (0.081 R)
• M50: 18,590,976 km (0.052 R)
• M51: 19,020,322 km (0.037 R)
• M52: 19,164,086 km (0.098 R)
• M53: 19,380,404 km (0.084 R)
• M54: 19,525,215 km (0.11 R)
• M55: 20,071,098 km (0.072 R)
• M56: 20,401,110 km (0.098 R)
• M57: 20,585,265 km (0.047 R)
• M58: 20,806,820 km (0.108 R)
• M59: 21,103,622 km (0.116 R)
• M60: 21,626,467 km (0.056 R)
• M61: 21,776,513 km (0.116 R)
• M62: 22,153,500 km (0.11 R)
• M63: 22,266,895 km (0.109 R)
• M64: 22,380,589 km (0.09 R)
• M65: 22,761,017 km (0.101 R)
• M66: 22,990,201 km (0.104 R)
• M67: 23,566,751 km (0.045 R)
• M68: 24,733,914 km (0.11 R)
• M69: 25,009,024 km (0.079 R)
• M70: 25,127,206 km (0.085 R)
• M71: 25,562,237 km (0.056 R)
• M72: 25,681,317 km (0.104 R)
• M73: 25,959,868 km (0.09 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.8

Radius: 13.3

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.4 AU - 7.33 AU

Year: 5181 Days

Day: 14 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 31,610,050 km

• M1: 166,353 km (0.097 R)
• M2: 328,816 km (0.054 R)
• M3: 527,632 km (0.086 R)
• M4: 639,082 km (0.096 R)
• M5: 837,299 km (0.113 R)
• M6: 1,328,279 km (0.083 R)
• M7: 1,456,186 km (0.1 R)
• M8: 1,622,239 km (0.111 R)
• M9: 2,010,446 km (0.049 R)
• M10: 2,369,481 km (0.114 R)
• M11: 2,467,467 km (0.08 R)
• M12: 2,708,170 km (0.111 R)
• M13: 2,873,027 km (0.115 R)
• M14: 3,343,961 km (0.061 R)
• M15: 3,476,804 km (0.097 R)
• M16: 3,633,882 km (0.052 R)
• M17: 4,095,990 km (0.113 R)
• M18: 4,238,257 km (0.046 R)
• M19: 4,334,150 km (0.09 R)
• M20: 4,849,215 km (0.041 R)
• M21: 5,000,159 km (0.104 R)
• M22: 5,280,655 km (0.04 R)
• M23: 6,317,069 km (0.106 R)
• M24: 6,454,400 km (0.091 R)
• M25: 6,872,676 km (0.12 R)
• M26: 8,602,326 km (0.056 R)
• M27: 9,405,517 km (0.104 R)
• M28: 9,816,163 km (0.102 R)
• M29: 10,007,798 km (0.074 R)
• M30: 10,200,480 km (0.1 R)
• M31: 10,297,420 km (0.057 R)
• M32: 10,492,047 km (0.119 R)
• M33: 10,622,496 km (0.109 R)
• M34: 10,917,952 km (0.073 R)
• M35: 11,753,007 km (0.099 R)
• M36: 13,061,390 km (0.105 R)
• M37: 13,272,173 km (0.046 R)
• M38: 13,448,849 km (0.086 R)
• M39: 14,307,241 km (0.102 R)
• M40: 14,633,664 km (0.102 R)
• M41: 14,743,020 km (0.108 R)
• M42: 15,627,891 km (0.051 R)
• M43: 16,529,966 km (0.114 R)
• M44: 16,758,103 km (0.107 R)
• M45: 17,681,122 km (0.114 R)
• M46: 18,109,869 km (0.085 R)
• M47: 19,416,308 km (0.079 R)
• M48: 20,222,790 km (0.041 R)
• M49: 20,344,712 km (0.084 R)
• M50: 20,466,933 km (0.046 R)
• M51: 20,711,975 km (0.114 R)
• M52: 21,743,602 km (0.077 R)
• M53: 22,077,355 km (0.075 R)
• M54: 22,244,755 km (0.089 R)
• M55: 22,454,790 km (0.07 R)
• M56: 23,130,972 km (0.048 R)
• M57: 23,215,944 km (0.087 R)
• M58: 24,633,683 km (0.098 R)
• M59: 24,720,450 km (0.101 R)
• M60: 24,894,432 km (0.097 R)
• M61: 24,981,498 km (0.12 R)
• M62: 25,156,079 km (0.077 R)
• M63: 25,374,791 km (0.054 R)
• M64: 25,506,437 km (0.071 R)
• M65: 25,594,251 km (0.058 R)
• M66: 26,034,966 km (0.097 R)
• M67: 26,123,379 km (0.068 R)
• M68: 26,344,933 km (0.111 R)
• M69: 26,968,607 km (0.084 R)
• M70: 27,058,066 km (0.094 R)
• M71: 27,372,072 km (0.113 R)
• M72: 28,321,420 km (0.077 R)
• M73: 29,281,390 km (0.1 R)
• M74: 29,788,526 km (0.06 R)
• M75: 30,066,479 km (0.113 R)
• M76: 30,391,705 km (0.078 R)
• M77: 30,671,453 km (0.072 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 11,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit