🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.72 AU - 0.84 AU

Year: 252 Days

Day: 27.1 Hours

Environment

Temp: 178 °C

Axial Tilt: 11.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.67 AU - 0.91 AU

Year: 256 Days

Day: 30.7 Hours

Environment

Temp: 130 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.71 AU - 1.09 AU

Year: 312 Days

Day: 40.4 Hours

Environment

Temp: 73 °C

Axial Tilt: 11.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.92 AU - 1 AU

Year: 344 Days

Day: 43.9 Hours

Environment

Temp: 38 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 45,291,559 km

• M1: 658,231 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.25 AU - 3.73 AU

Year: 1888 Days

Day: 22.5 Hours

Environment

Temp: -94 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.52 AU - 4.2 AU

Year: 2770 Days

Day: 35.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.4

Radius: 10.1

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.88 AU - 6.08 AU

Year: 4059 Days

Day: 11.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 45,291,559 km

• M1: 153,787 km (0.112 R)
• M2: 459,565 km (0.083 R)
• M3: 570,865 km (0.089 R)
• M4: 658,380 km (0.116 R)
• M5: 727,345 km (0.072 R)
• M6: 811,269 km (0.047 R)
• M7: 950,246 km (0.111 R)
• M8: 1,056,460 km (0.072 R)
• M9: 1,370,167 km (0.09 R)
• M10: 1,794,426 km (0.108 R)
• M11: 1,910,963 km (0.09 R)
• M12: 2,047,396 km (0.052 R)
• M13: 2,294,083 km (0.052 R)
• M14: 2,972,210 km (0.076 R)
• M15: 3,498,945 km (0.118 R)
• M16: 3,751,915 km (0.11 R)
• M17: 4,098,383 km (0.07 R)
• M18: 4,365,266 km (0.096 R)
• M19: 4,683,610 km (0.06 R)
• M20: 4,822,437 km (0.057 R)
• M21: 4,892,449 km (0.072 R)
• M22: 5,223,210 km (0.086 R)
• M23: 5,659,437 km (0.062 R)
• M24: 5,881,889 km (0.113 R)
• M25: 6,259,175 km (0.053 R)
• M26: 6,335,470 km (0.101 R)
• M27: 6,644,240 km (0.082 R)
• M28: 7,545,717 km (0.04 R)
• M29: 7,708,778 km (0.08 R)
• M30: 7,983,141 km (0.046 R)
• M31: 8,372,843 km (0.076 R)
• M32: 8,940,118 km (0.109 R)
• M33: 9,170,499 km (0.106 R)
• M34: 9,402,974 km (0.091 R)
• M35: 9,490,639 km (0.08 R)
• M36: 9,873,609 km (0.081 R)
• M37: 10,321,954 km (0.108 R)
• M38: 10,624,441 km (0.067 R)
• M39: 11,269,357 km (0.109 R)
• M40: 11,518,288 km (0.068 R)
• M41: 11,643,501 km (0.028 R)
• M42: 12,180,707 km (0.083 R)
• M43: 12,244,436 km (0.085 R)
• M44: 12,404,207 km (0.08 R)
• M45: 12,564,725 km (0.042 R)
• M46: 12,855,394 km (0.089 R)
• M47: 14,173,949 km (0.095 R)
• M48: 14,308,139 km (0.072 R)
• M49: 14,577,864 km (0.095 R)
• M50: 14,713,250 km (0.044 R)
• M51: 15,053,884 km (0.086 R)
• M52: 15,777,489 km (0.111 R)
• M53: 16,547,768 km (0.116 R)
• M54: 17,294,411 km (0.059 R)
• M55: 17,437,876 km (0.103 R)
• M56: 18,015,772 km (0.064 R)
• M57: 18,746,857 km (0.068 R)
• M58: 18,931,162 km (0.099 R)
• M59: 19,899,359 km (0.117 R)
• M60: 20,162,651 km (0.062 R)
• M61: 20,275,897 km (0.109 R)
• M62: 21,844,730 km (0.043 R)
• M63: 21,999,863 km (0.036 R)
• M64: 22,155,295 km (0.031 R)
• M65: 22,233,236 km (0.082 R)
• M66: 22,977,635 km (0.113 R)
• M67: 23,214,448 km (0.093 R)
• M68: 23,491,802 km (0.068 R)
• M69: 24,169,780 km (0.12 R)
• M70: 24,450,874 km (0.062 R)
• M71: 24,571,749 km (0.12 R)
• M72: 26,324,737 km (0.078 R)
• M73: 26,489,893 km (0.111 R)
• M74: 26,696,787 km (0.103 R)
• M75: 26,779,664 km (0.093 R)
• M76: 26,904,130 km (0.048 R)
• M77: 28,075,631 km (0.094 R)
• M78: 28,244,377 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206

Radius: 8.4

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.7 AU - 5.84 AU

Year: 5062 Days

Day: 12.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 45,291,559 km

• M1: 145,559 km (0.119 R)
• M2: 231,727 km (0.105 R)
• M3: 331,359 km (0.104 R)
• M4: 433,086 km (0.056 R)
• M5: 504,743 km (0.119 R)
• M6: 698,622 km (0.06 R)
• M7: 804,837 km (0.028 R)
• M8: 958,623 km (0.071 R)
• M9: 1,201,869 km (0.043 R)
• M10: 1,307,037 km (0.079 R)
• M11: 1,452,296 km (0.117 R)
• M12: 1,615,657 km (0.052 R)
• M13: 1,785,151 km (0.104 R)
• M14: 1,865,485 km (0.112 R)
• M15: 2,328,341 km (0.113 R)
• M16: 2,580,563 km (0.028 R)
• M17: 2,656,409 km (0.038 R)
• M18: 3,015,145 km (0.039 R)
• M19: 3,143,500 km (0.061 R)
• M20: 3,208,426 km (0.12 R)
• M21: 3,709,429 km (0.101 R)
• M22: 3,829,855 km (0.113 R)
• M23: 4,181,111 km (0.09 R)
• M24: 4,360,778 km (0.053 R)
• M25: 4,671,792 km (0.116 R)
• M26: 4,764,692 km (0.044 R)
• M27: 4,933,588 km (0.051 R)
• M28: 5,161,575 km (0.089 R)
• M29: 5,334,959 km (0.096 R)
• M30: 5,451,646 km (0.092 R)
• M31: 5,549,483 km (0.102 R)
• M32: 5,707,308 km (0.084 R)
• M33: 6,271,442 km (0.08 R)
• M34: 6,332,927 km (0.112 R)
• M35: 6,685,230 km (0.09 R)
• M36: 6,937,751 km (0.115 R)
• M37: 7,107,993 km (0.104 R)
• M38: 7,322,517 km (0.095 R)
• M39: 8,090,402 km (0.116 R)
• M40: 8,269,471 km (0.103 R)
• M41: 8,586,170 km (0.105 R)
• M42: 8,791,867 km (0.075 R)
• M43: 8,883,720 km (0.065 R)
• M44: 9,022,248 km (0.077 R)
• M45: 9,559,753 km (0.068 R)
• M46: 9,868,224 km (0.055 R)
• M47: 10,059,709 km (0.025 R)
• M48: 10,228,156 km (0.086 R)
• M49: 10,494,889 km (0.109 R)
• M50: 10,592,427 km (0.091 R)
• M51: 10,764,016 km (0.048 R)
• M52: 10,886,985 km (0.083 R)
• M53: 11,184,236 km (0.04 R)
• M54: 11,258,885 km (0.102 R)
• M55: 11,459,047 km (0.099 R)
• M56: 11,888,094 km (0.091 R)
• M57: 13,763,154 km (0.077 R)
• M58: 14,843,998 km (0.06 R)
• M59: 15,145,887 km (0.085 R)
• M60: 15,422,344 km (0.088 R)
• M61: 15,616,671 km (0.111 R)
• M62: 16,204,890 km (0.118 R)
• M63: 16,261,289 km (0.096 R)
• M64: 16,971,729 km (0.093 R)
• M65: 17,115,044 km (0.115 R)
• M66: 17,460,615 km (0.025 R)
• M67: 17,547,381 km (0.109 R)
• M68: 17,808,430 km (0.117 R)
• M69: 18,187,960 km (0.099 R)
• M70: 18,334,565 km (0.058 R)
• M71: 19,492,004 km (0.116 R)
• M72: 19,551,993 km (0.115 R)
• M73: 20,034,147 km (0.069 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.6

Radius: 11.7

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.25 AU - 8.21 AU

Year: 7101 Days

Day: 6.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 135.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 45,291,559 km

• M1: 155,582 km (0.108 R)
• M2: 302,786 km (0.087 R)
• M3: 550,670 km (0.052 R)
• M4: 672,592 km (0.047 R)
• M5: 774,468 km (0.027 R)
• M6: 866,321 km (0.042 R)
• M7: 995,275 km (0.102 R)
• M8: 1,113,756 km (0.065 R)
• M9: 1,403,228 km (0.078 R)
• M10: 1,676,244 km (0.117 R)
• M11: 1,861,147 km (0.1 R)
• M12: 1,988,156 km (0.072 R)
• M13: 2,096,315 km (0.056 R)
• M14: 2,206,569 km (0.074 R)
• M15: 2,619,608 km (0.088 R)
• M16: 3,107,148 km (0.107 R)
• M17: 3,208,126 km (0.094 R)
• M18: 3,676,068 km (0.112 R)
• M19: 3,756,253 km (0.098 R)
• M20: 5,387,767 km (0.05 R)
• M21: 5,479,022 km (0.111 R)
• M22: 5,943,523 km (0.065 R)
• M23: 6,582,755 km (0.076 R)
• M24: 7,109,938 km (0.036 R)
• M25: 7,277,488 km (0.076 R)
• M26: 8,030,115 km (0.101 R)
• M27: 8,380,622 km (0.06 R)
• M28: 8,843,628 km (0.084 R)
• M29: 9,169,153 km (0.064 R)
• M30: 9,609,270 km (0.069 R)
• M31: 9,757,521 km (0.113 R)
• M32: 9,869,121 km (0.09 R)
• M33: 10,586,443 km (0.063 R)
• M34: 10,739,631 km (0.079 R)
• M35: 11,086,997 km (0.119 R)
• M36: 11,281,475 km (0.112 R)
• M37: 11,398,759 km (0.072 R)
• M38: 12,071,202 km (0.087 R)
• M39: 12,271,364 km (0.062 R)
• M40: 12,919,422 km (0.102 R)
• M41: 13,495,673 km (0.098 R)
• M42: 14,886,933 km (0.091 R)
• M43: 15,317,476 km (0.047 R)
• M44: 15,490,860 km (0.036 R)
• M45: 15,795,890 km (0.092 R)
• M46: 16,059,032 km (0.059 R)
• M47: 16,190,978 km (0.093 R)
• M48: 17,035,757 km (0.101 R)
• M49: 17,849,420 km (0.112 R)
• M50: 19,514,294 km (0.113 R)
• M51: 20,365,207 km (0.114 R)
• M52: 20,939,214 km (0.067 R)
• M53: 21,131,746 km (0.036 R)
• M54: 22,693,099 km (0.048 R)
• M55: 23,089,235 km (0.095 R)
• M56: 23,838,271 km (0.108 R)
• M57: 25,155,181 km (0.112 R)
• M58: 26,132,654 km (0.095 R)
• M59: 26,495,877 km (0.051 R)
• M60: 27,017,525 km (0.104 R)
• M61: 27,648,230 km (0.115 R)
• M62: 30,545,641 km (0.079 R)
• M63: 30,654,698 km (0.069 R)
• M64: 30,873,410 km (0.119 R)
• M65: 31,808,696 km (0.112 R)
• M66: 32,418,906 km (0.109 R)
• M67: 33,707,093 km (0.092 R)
• M68: 35,240,621 km (0.054 R)
• M69: 35,469,805 km (0.094 R)
• M70: 35,641,992 km (0.055 R)
• M71: 35,814,329 km (0.053 R)
• M72: 36,564,861 km (0.096 R)
• M73: 37,320,630 km (0.102 R)
• M74: 37,437,316 km (0.119 R)
• M75: 38,198,919 km (0.12 R)
• M76: 38,670,152 km (0.115 R)
• M77: 38,965,757 km (0.044 R)
• M78: 39,202,720 km (0.084 R)
• M79: 39,321,352 km (0.068 R)

Planet 10 - Gas Giant

Semi-Major Axis: 11.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 14.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 10.07 AU - 12.67 AU

Year: 14003 Days

Day: 10.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 45,291,559 km

• M1: 238,309 km (0.084 R)
• M2: 357,389 km (0.099 R)
• M3: 461,958 km (0.04 R)
• M4: 1,297,014 km (0.117 R)
• M5: 1,541,905 km (0.114 R)
• M6: 1,961,378 km (0.052 R)
• M7: 2,567,548 km (0.106 R)
• M8: 3,066,308 km (0.086 R)
• M9: 4,244,391 km (0.115 R)
• M10: 4,770,826 km (0.111 R)
• M11: 4,897,834 km (0.103 R)
• M12: 5,090,367 km (0.053 R)
• M13: 5,417,088 km (0.118 R)
• M14: 5,649,863 km (0.074 R)
• M15: 5,988,104 km (0.062 R)
• M16: 6,194,399 km (0.052 R)
• M17: 6,755,840 km (0.072 R)
• M18: 8,345,317 km (0.114 R)
• M19: 8,575,997 km (0.039 R)
• M20: 8,847,966 km (0.062 R)
• M21: 9,480,167 km (0.116 R)
• M22: 10,127,028 km (0.043 R)
• M23: 10,704,924 km (0.114 R)
• M24: 11,591,741 km (0.087 R)
• M25: 13,933,546 km (0.116 R)
• M26: 15,463,633 km (0.088 R)
• M27: 15,937,708 km (0.092 R)
• M28: 17,046,528 km (0.116 R)
• M29: 17,733,481 km (0.08 R)
• M30: 18,130,215 km (0.113 R)
• M31: 19,134,764 km (0.097 R)
• M32: 19,900,107 km (0.03 R)
• M33: 20,727,533 km (0.083 R)
• M34: 21,093,001 km (0.052 R)
• M35: 21,250,378 km (0.034 R)
• M36: 21,777,560 km (0.117 R)
• M37: 21,883,625 km (0.103 R)
• M38: 23,547,902 km (0.1 R)
• M39: 23,929,376 km (0.069 R)
• M40: 24,038,732 km (0.105 R)
• M41: 24,257,893 km (0.111 R)
• M42: 25,308,369 km (0.068 R)
• M43: 26,486,602 km (0.101 R)
• M44: 26,656,396 km (0.097 R)
• M45: 28,547,911 km (0.116 R)
• M46: 28,838,281 km (0.06 R)
• M47: 29,363,369 km (0.108 R)
• M48: 29,480,504 km (0.044 R)
• M49: 30,304,789 km (0.09 R)
• M50: 31,315,771 km (0.07 R)
• M51: 32,217,098 km (0.12 R)
• M52: 32,398,411 km (0.093 R)
• M53: 33,310,060 km (0.104 R)
• M54: 33,493,318 km (0.1 R)
• M55: 34,476,774 km (0.113 R)
• M56: 34,662,126 km (0.077 R)
• M57: 35,345,040 km (0.09 R)
• M58: 35,594,420 km (0.1 R)
• M59: 36,787,014 km (0.077 R)
• M60: 37,103,114 km (0.043 R)
• M61: 40,443,036 km (0.1 R)
• M62: 40,769,160 km (0.113 R)
• M63: 41,424,249 km (0.105 R)
• M64: 41,621,419 km (0.076 R)
• M65: 42,148,751 km (0.064 R)
• M66: 42,811,171 km (0.117 R)
• M67: 43,077,006 km (0.108 R)
• M68: 45,156,267 km (0.093 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 13,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit