🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.3 AU - 1.48 AU

Year: 605 Days

Day: 24.7 Hours

Environment

Temp: -30 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,859,265 km

• M1: 62,532 km (0.085 R)

Asteroid Belt

Center: 3.06 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 8.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.4 AU - 5.04 AU

Year: 3783 Days

Day: 5.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 96,859,265 km

• M1: 118,332 km (0.078 R)
• M2: 538,552 km (0.062 R)
• M3: 832,363 km (0.056 R)
• M4: 1,159,832 km (0.069 R)
• M5: 1,630,766 km (0.117 R)
• M6: 2,540,022 km (0.104 R)
• M7: 2,957,101 km (0.062 R)
• M8: 3,307,459 km (0.106 R)
• M9: 4,411,791 km (0.081 R)
• M10: 6,122,442 km (0.058 R)
• M11: 6,441,385 km (0.081 R)
• M12: 8,206,191 km (0.111 R)
• M13: 9,472,537 km (0.088 R)
• M14: 10,582,703 km (0.029 R)
• M15: 11,739,843 km (0.106 R)
• M16: 12,118,176 km (0.119 R)
• M17: 13,507,042 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.9

Radius: 10.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.54 AU - 9.24 AU

Year: 8177 Days

Day: 7.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 96,859,265 km

• M1: 126,859 km (0.098 R)
• M2: 2,361,552 km (0.113 R)
• M3: 3,308,806 km (0.104 R)
• M4: 4,447,395 km (0.103 R)
• M5: 7,017,636 km (0.111 R)
• M6: 16,460,703 km (0.088 R)
• M7: 18,061,699 km (0.106 R)
• M8: 18,812,082 km (0.102 R)
• M9: 20,685,346 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 14.7

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.89 AU - 9.33 AU

Year: 10145 Days

Day: 11 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 96,859,265 km

• M1: 182,809 km (0.091 R)
• M2: 777,909 km (0.045 R)
• M3: 1,495,829 km (0.108 R)
• M4: 2,191,459 km (0.041 R)
• M5: 2,960,542 km (0.078 R)
• M6: 3,987,082 km (0.083 R)
• M7: 6,427,173 km (0.116 R)
• M8: 7,920,010 km (0.105 R)
• M9: 12,169,188 km (0.12 R)
• M10: 12,651,791 km (0.115 R)
• M11: 13,591,266 km (0.055 R)
• M12: 14,779,522 km (0.111 R)
• M13: 15,892,979 km (0.114 R)
• M14: 17,061,637 km (0.058 R)
• M15: 18,208,604 km (0.089 R)
• M16: 22,404,974 km (0.079 R)
• M17: 23,039,867 km (0.108 R)
• M18: 24,920,163 km (0.057 R)
• M19: 30,727,552 km (0.118 R)
• M20: 38,531,026 km (0.064 R)
• M21: 41,991,075 km (0.04 R)
• M22: 43,096,005 km (0.074 R)
• M23: 47,413,100 km (0.098 R)
• M24: 48,460,285 km (0.069 R)
• M25: 50,137,278 km (0.118 R)
• M26: 50,756,463 km (0.075 R)
• M27: 51,694,891 km (0.095 R)
• M28: 52,644,987 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649

Radius: 10.2

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.4 AU - 11.94 AU

Year: 11966 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 96,859,265 km

• M1: 127,607 km (0.053 R)
• M2: 461,958 km (0.099 R)
• M3: 886,367 km (0.11 R)
• M4: 1,264,102 km (0.033 R)
• M5: 1,977,833 km (0.08 R)
• M6: 2,963,235 km (0.114 R)
• M7: 3,291,153 km (0.043 R)
• M8: 3,937,715 km (0.092 R)
• M9: 5,047,731 km (0.029 R)
• M10: 5,552,923 km (0.112 R)
• M11: 6,508,555 km (0.081 R)
• M12: 8,416,077 km (0.091 R)
• M13: 10,455,246 km (0.08 R)
• M14: 10,779,125 km (0.104 R)
• M15: 12,865,417 km (0.099 R)
• M16: 13,426,409 km (0.111 R)
• M17: 17,216,172 km (0.112 R)
• M18: 20,050,154 km (0.071 R)
• M19: 21,577,847 km (0.063 R)
• M20: 26,524,899 km (0.082 R)
• M21: 28,051,396 km (0.117 R)
• M22: 33,679,866 km (0.115 R)
• M23: 35,347,284 km (0.082 R)
• M24: 39,886,532 km (0.034 R)
• M25: 40,413,715 km (0.116 R)
• M26: 41,079,276 km (0.073 R)
• M27: 42,569,121 km (0.088 R)
• M28: 47,107,771 km (0.115 R)
• M29: 49,797,391 km (0.117 R)
• M30: 50,562,435 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.3

Radius: 11.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.78 AU - 12.86 AU

Year: 12232 Days

Day: 6.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 96,859,265 km

• M1: 138,079 km (0.087 R)
• M2: 663,766 km (0.066 R)
• M3: 1,159,383 km (0.044 R)
• M4: 1,575,116 km (0.064 R)
• M5: 2,074,025 km (0.101 R)
• M6: 2,445,028 km (0.115 R)
• M7: 3,052,844 km (0.086 R)
• M8: 3,991,271 km (0.06 R)
• M9: 4,343,724 km (0.103 R)
• M10: 7,349,444 km (0.111 R)
• M11: 8,352,348 km (0.081 R)
• M12: 8,887,011 km (0.119 R)
• M13: 9,255,919 km (0.083 R)
• M14: 11,418,057 km (0.117 R)
• M15: 11,965,436 km (0.071 R)
• M16: 12,416,025 km (0.096 R)
• M17: 13,531,576 km (0.114 R)
• M18: 14,969,810 km (0.102 R)
• M19: 16,164,648 km (0.113 R)
• M20: 20,051,799 km (0.118 R)
• M21: 23,021,916 km (0.108 R)
• M22: 30,336,055 km (0.09 R)
• M23: 31,706,820 km (0.03 R)
• M24: 32,679,804 km (0.116 R)
• M25: 33,450,233 km (0.069 R)
• M26: 33,895,886 km (0.113 R)
• M27: 37,604,866 km (0.095 R)
• M28: 39,062,846 km (0.052 R)
• M29: 40,937,906 km (0.105 R)
• M30: 44,732,007 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.2

Radius: 9.2

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 10.66 AU - 12.56 AU

Year: 14596 Days

Day: 12.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 96,859,265 km

• M1: 118,781 km (0.08 R)
• M2: 506,538 km (0.06 R)
• M3: 892,950 km (0.117 R)
• M4: 1,807,890 km (0.104 R)
• M5: 2,393,267 km (0.106 R)
• M6: 5,640,139 km (0.115 R)
• M7: 6,222,075 km (0.12 R)
• M8: 7,324,910 km (0.06 R)
• M9: 8,017,847 km (0.111 R)
• M10: 8,355,789 km (0.071 R)
• M11: 9,427,209 km (0.118 R)
• M12: 12,535,554 km (0.066 R)
• M13: 13,057,501 km (0.039 R)
• M14: 14,496,931 km (0.045 R)
• M15: 16,039,285 km (0.092 R)
• M16: 16,576,940 km (0.059 R)
• M17: 18,014,576 km (0.099 R)
• M18: 19,620,509 km (0.099 R)
• M19: 20,682,654 km (0.071 R)
• M20: 23,114,666 km (0.065 R)
• M21: 25,940,420 km (0.067 R)
• M22: 31,425,875 km (0.083 R)
• M23: 36,704,137 km (0.12 R)
• M24: 37,637,627 km (0.111 R)
• M25: 46,764,444 km (0.09 R)
• M26: 51,255,222 km (0.083 R)
• M27: 51,752,935 km (0.107 R)
• M28: 52,589,336 km (0.065 R)
• M29: 53,434,714 km (0.075 R)
• M30: 54,117,628 km (0.087 R)
• M31: 58,698,764 km (0.111 R)
• M32: 60,897,852 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.3

Radius: 4.8

Gravity: 36.82 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 13.91 AU - 22.89 AU

Year: 29121 Days

Day: 19.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 96,859,265 km

• M1: 70,610 km (0.054 R)
• M2: 317,746 km (0.11 R)
• M3: 950,395 km (0.115 R)
• M4: 1,352,814 km (0.101 R)
• M5: 2,780,426 km (0.105 R)
• M6: 3,245,825 km (0.102 R)
• M7: 5,287,836 km (0.117 R)
• M8: 5,460,173 km (0.112 R)
• M9: 5,999,922 km (0.076 R)
• M10: 7,080,467 km (0.111 R)
• M11: 7,721,644 km (0.067 R)
• M12: 9,304,240 km (0.099 R)
• M13: 10,006,901 km (0.118 R)
• M14: 10,404,831 km (0.078 R)
• M15: 11,661,752 km (0.101 R)
• M16: 16,396,076 km (0.042 R)
• M17: 19,081,807 km (0.111 R)
• M18: 19,590,290 km (0.086 R)
• M19: 24,224,832 km (0.045 R)
• M20: 25,304,929 km (0.088 R)
• M21: 27,175,800 km (0.088 R)
• M22: 30,220,266 km (0.105 R)
• M23: 31,895,612 km (0.096 R)
• M24: 32,323,762 km (0.038 R)
• M25: 37,925,603 km (0.112 R)
• M26: 38,085,374 km (0.114 R)
• M27: 39,379,844 km (0.099 R)
• M28: 43,788,793 km (0.085 R)
• M29: 44,850,938 km (0.078 R)
• M30: 45,568,559 km (0.071 R)
• M31: 45,930,286 km (0.029 R)
• M32: 50,807,476 km (0.087 R)
• M33: 51,001,804 km (0.102 R)
• M34: 59,612,208 km (0.059 R)
• M35: 60,261,762 km (0.092 R)
• M36: 63,356,045 km (0.045 R)
• M37: 63,806,633 km (0.117 R)
• M38: 66,322,570 km (0.027 R)
• M39: 70,822,923 km (0.095 R)
• M40: 71,551,614 km (0.111 R)
• M41: 76,792,776 km (0.089 R)
• M42: 77,048,588 km (0.08 R)
• M43: 89,438,284 km (0.102 R)
• M44: 90,860,062 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.3

Radius: 6.5

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 14.89 AU - 23.43 AU

Year: 30944 Days

Day: 21.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 96,859,265 km

• M1: 80,783 km (0.108 R)
• M2: 303,384 km (0.117 R)
• M3: 977,173 km (0.11 R)
• M4: 2,344,797 km (0.095 R)
• M5: 2,565,304 km (0.117 R)
• M6: 3,105,801 km (0.09 R)
• M7: 3,464,836 km (0.078 R)
• M8: 3,918,267 km (0.087 R)
• M9: 4,982,955 km (0.112 R)
• M10: 6,750,903 km (0.074 R)
• M11: 9,017,909 km (0.112 R)
• M12: 9,748,695 km (0.118 R)
• M13: 11,053,637 km (0.1 R)
• M14: 11,258,885 km (0.054 R)
• M15: 16,270,264 km (0.052 R)
• M16: 17,536,012 km (0.078 R)
• M17: 19,356,917 km (0.108 R)
• M18: 25,450,787 km (0.069 R)
• M19: 30,780,360 km (0.111 R)
• M20: 41,731,224 km (0.113 R)
• M21: 42,229,684 km (0.12 R)
• M22: 47,977,832 km (0.081 R)
• M23: 57,441,842 km (0.12 R)
• M24: 59,724,856 km (0.081 R)
• M25: 62,934,777 km (0.086 R)
• M26: 69,929,076 km (0.082 R)
• M27: 71,577,196 km (0.114 R)
• M28: 71,814,757 km (0.097 R)
• M29: 75,933,635 km (0.104 R)
• M30: 76,676,389 km (0.055 R)
• M31: 77,174,400 km (0.043 R)
• M32: 83,056,289 km (0.096 R)
• M33: 89,505,154 km (0.087 R)
• M34: 96,569,165 km (0.114 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: 492 - 15,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit