🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.4

Radius: 11.1

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.66 AU - 0.92 AU

Year: 476 Days

Day: 9.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,203,580 km

• M1: 138,079 km (0.116 R)
• M2: 549,772 km (0.084 R)
• M3: 911,350 km (0.073 R)
• M4: 1,349,074 km (0.116 R)
• M5: 2,157,052 km (0.115 R)
• M6: 2,897,860 km (0.077 R)
• M7: 3,346,056 km (0.115 R)
• M8: 4,002,192 km (0.101 R)
• M9: 4,545,232 km (0.12 R)
• M10: 5,169,504 km (0.104 R)
• M11: 6,157,149 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.9

Radius: 11.9

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.08 AU - 1.66 AU

Year: 1088 Days

Day: 5.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,203,580 km

• M1: 147,952 km (0.064 R)
• M2: 614,698 km (0.111 R)
• M3: 1,176,886 km (0.109 R)
• M4: 1,629,420 km (0.103 R)
• M5: 2,209,112 km (0.052 R)
• M6: 2,817,975 km (0.09 R)
• M7: 3,490,866 km (0.106 R)
• M8: 4,148,050 km (0.049 R)
• M9: 5,020,654 km (0.11 R)
• M10: 5,924,524 km (0.1 R)
• M11: 6,507,657 km (0.076 R)
• M12: 7,353,035 km (0.083 R)
• M13: 8,000,494 km (0.092 R)
• M14: 9,028,381 km (0.066 R)
• M15: 9,469,396 km (0.106 R)
• M16: 10,142,287 km (0.11 R)
• M17: 10,781,369 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.3

Radius: 9.6

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.93 AU - 2.53 AU

Year: 2259 Days

Day: 9.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,203,580 km

• M1: 120,127 km (0.025 R)
• M2: 430,543 km (0.102 R)
• M3: 1,358,199 km (0.071 R)
• M4: 2,403,290 km (0.119 R)
• M5: 3,641,511 km (0.111 R)
• M6: 4,008,774 km (0.084 R)
• M7: 6,053,627 km (0.099 R)
• M8: 6,812,986 km (0.102 R)
• M9: 7,230,065 km (0.108 R)
• M10: 8,552,809 km (0.096 R)
• M11: 10,754,890 km (0.079 R)
• M12: 15,238,937 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.8

Radius: 10.4

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.33 AU - 2.53 AU

Year: 2569 Days

Day: 13.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,203,580 km

• M1: 130,300 km (0.057 R)
• M2: 495,917 km (0.119 R)
• M3: 904,768 km (0.079 R)
• M4: 1,600,548 km (0.114 R)
• M5: 3,127,044 km (0.106 R)
• M6: 3,498,496 km (0.094 R)
• M7: 4,412,838 km (0.113 R)
• M8: 5,575,513 km (0.098 R)
• M9: 6,386,184 km (0.101 R)
• M10: 7,331,492 km (0.093 R)
• M11: 8,240,898 km (0.051 R)
• M12: 10,319,710 km (0.057 R)
• M13: 11,539,681 km (0.111 R)
• M14: 12,102,767 km (0.112 R)
• M15: 13,197,075 km (0.099 R)
• M16: 14,264,456 km (0.063 R)
• M17: 14,679,291 km (0.093 R)
• M18: 15,149,627 km (0.085 R)
• M19: 15,873,980 km (0.12 R)
• M20: 16,419,713 km (0.068 R)
• M21: 16,926,550 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.5

Radius: 13.5

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.82 AU - 4.08 AU

Year: 5325 Days

Day: 10.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,203,580 km

• M1: 168,148 km (0.059 R)
• M2: 1,181,225 km (0.095 R)
• M3: 1,645,577 km (0.112 R)
• M4: 2,788,205 km (0.094 R)
• M5: 3,910,638 km (0.043 R)
• M6: 4,380,076 km (0.112 R)
• M7: 5,227,398 km (0.082 R)
• M8: 7,731,218 km (0.089 R)
• M9: 8,556,400 km (0.064 R)
• M10: 9,053,663 km (0.11 R)
• M11: 11,239,737 km (0.09 R)
• M12: 12,666,751 km (0.099 R)
• M13: 13,926,664 km (0.074 R)
• M14: 14,499,774 km (0.051 R)
• M15: 14,969,661 km (0.046 R)
• M16: 15,449,720 km (0.045 R)
• M17: 17,539,453 km (0.074 R)
• M18: 18,824,947 km (0.083 R)
• M19: 21,205,498 km (0.118 R)
• M20: 23,058,567 km (0.104 R)
• M21: 24,024,520 km (0.107 R)
• M22: 24,517,445 km (0.047 R)
• M23: 28,892,585 km (0.119 R)
• M24: 29,543,934 km (0.094 R)
• M25: 31,361,548 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627

Radius: 13.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.38 AU - 4.9 AU

Year: 5713 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,203,580 km

• M1: 165,605 km (0.072 R)
• M2: 911,201 km (0.096 R)
• M3: 1,407,417 km (0.101 R)
• M4: 1,970,503 km (0.074 R)
• M5: 2,578,170 km (0.086 R)
• M6: 3,892,985 km (0.111 R)
• M7: 4,545,232 km (0.105 R)
• M8: 9,372,307 km (0.111 R)
• M9: 9,796,417 km (0.11 R)
• M10: 15,062,112 km (0.116 R)
• M11: 15,883,105 km (0.11 R)
• M12: 16,671,785 km (0.115 R)
• M13: 19,263,419 km (0.05 R)
• M14: 21,816,157 km (0.116 R)
• M15: 23,096,714 km (0.093 R)
• M16: 25,890,455 km (0.116 R)
• M17: 28,812,999 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.9

Radius: 11

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.86 AU - 5.96 AU

Year: 8535 Days

Day: 6.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,203,580 km

• M1: 136,732 km (0.118 R)
• M2: 723,156 km (0.042 R)
• M3: 1,083,537 km (0.057 R)
• M4: 2,264,762 km (0.067 R)
• M5: 2,625,143 km (0.111 R)
• M6: 3,068,252 km (0.103 R)
• M7: 4,161,065 km (0.079 R)
• M8: 4,706,499 km (0.101 R)
• M9: 5,170,402 km (0.096 R)
• M10: 5,596,905 km (0.045 R)
• M11: 7,059,075 km (0.117 R)
• M12: 7,710,125 km (0.059 R)
• M13: 8,992,029 km (0.104 R)
• M14: 9,417,336 km (0.095 R)
• M15: 10,933,211 km (0.074 R)
• M16: 11,638,266 km (0.098 R)
• M17: 12,605,865 km (0.052 R)
• M18: 13,019,503 km (0.061 R)
• M19: 13,687,756 km (0.115 R)
• M20: 15,425,186 km (0.049 R)
• M21: 16,173,624 km (0.082 R)
• M22: 17,450,292 km (0.053 R)
• M23: 18,488,950 km (0.117 R)
• M24: 21,099,433 km (0.112 R)
• M25: 26,651,758 km (0.078 R)
• M26: 27,729,162 km (0.092 R)
• M27: 28,937,464 km (0.09 R)
• M28: 29,347,961 km (0.111 R)
• M29: 33,668,946 km (0.081 R)
• M30: 37,782,588 km (0.076 R)
• M31: 41,305,767 km (0.046 R)
• M32: 41,826,368 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.5

Radius: 7.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.58 AU - 7.64 AU

Year: 12859 Days

Day: 23 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,203,580 km

• M1: 97,089 km (0.117 R)
• M2: 681,717 km (0.112 R)
• M3: 1,151,904 km (0.046 R)
• M4: 1,824,047 km (0.101 R)
• M5: 2,205,970 km (0.06 R)
• M6: 3,343,512 km (0.06 R)
• M7: 8,702,108 km (0.118 R)
• M8: 11,201,290 km (0.096 R)
• M9: 13,019,802 km (0.098 R)
• M10: 14,609,728 km (0.084 R)
• M11: 25,982,158 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.5

Radius: 3.8

Gravity: 24.41 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 9.24 AU - 11.26 AU

Year: 22258 Days

Day: 16.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,203,580 km

• M1: 47,423 km (0.099 R)
• M2: 226,790 km (0.075 R)
• M3: 346,618 km (0.102 R)
• M4: 715,826 km (0.053 R)
• M5: 2,573,831 km (0.102 R)
• M6: 2,710,863 km (0.119 R)
• M7: 2,901,002 km (0.108 R)
• M8: 3,024,420 km (0.047 R)
• M9: 3,470,222 km (0.074 R)
• M10: 4,623,322 km (0.115 R)
• M11: 6,049,588 km (0.061 R)
• M12: 6,840,662 km (0.083 R)
• M13: 8,984,699 km (0.081 R)
• M14: 10,350,527 km (0.077 R)
• M15: 11,293,742 km (0.109 R)
• M16: 11,911,581 km (0.116 R)
• M17: 12,164,850 km (0.057 R)
• M18: 18,099,697 km (0.059 R)
• M19: 20,712,274 km (0.032 R)
• M20: 23,964,532 km (0.113 R)
• M21: 27,651,670 km (0.116 R)
• M22: 31,699,340 km (0.117 R)
• M23: 34,435,934 km (0.109 R)
• M24: 41,665,999 km (0.1 R)
• M25: 51,834,017 km (0.093 R)
• M26: 52,002,165 km (0.107 R)
• M27: 58,300,385 km (0.095 R)
• M28: 60,135,950 km (0.094 R)
• M29: 62,009,664 km (0.045 R)
• M30: 63,344,226 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.7

Radius: 7.6

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 8.97 AU - 12.43 AU

Year: 23739 Days

Day: 16.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,203,580 km

• M1: 99,183 km (0.077 R)
• M2: 348,713 km (0.062 R)
• M3: 817,104 km (0.04 R)
• M4: 1,199,027 km (0.06 R)
• M5: 1,505,703 km (0.117 R)
• M6: 2,369,630 km (0.108 R)
• M7: 2,754,695 km (0.094 R)
• M8: 4,475,819 km (0.118 R)
• M9: 6,627,934 km (0.047 R)
• M10: 6,956,151 km (0.098 R)
• M11: 10,230,550 km (0.051 R)
• M12: 12,693,679 km (0.091 R)
• M13: 13,947,757 km (0.12 R)
• M14: 15,856,178 km (0.065 R)
• M15: 18,478,030 km (0.081 R)
• M16: 19,988,370 km (0.074 R)
• M17: 21,073,254 km (0.104 R)
• M18: 23,252,446 km (0.075 R)
• M19: 24,120,861 km (0.114 R)
• M20: 28,419,855 km (0.111 R)
• M21: 31,729,110 km (0.084 R)
• M22: 33,203,397 km (0.087 R)
• M23: 34,443,115 km (0.064 R)
• M24: 39,405,575 km (0.105 R)
• M25: 40,483,129 km (0.068 R)
• M26: 44,492,501 km (0.087 R)
• M27: 47,365,079 km (0.034 R)
• M28: 56,526,453 km (0.083 R)
• M29: 59,088,167 km (0.077 R)
• M30: 59,891,807 km (0.063 R)
• M31: 64,441,976 km (0.051 R)
• M32: 65,507,262 km (0.108 R)
• M33: 65,936,608 km (0.102 R)
• M34: 67,454,278 km (0.097 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 14,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit