🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96

Radius: 14.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.53 AU - 0.77 AU

Year: 355 Days

Day: 13.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,352,035 km

• M1: 177,872 km (0.053 R)
• M2: 473,627 km (0.11 R)
• M3: 1,029,233 km (0.081 R)
• M4: 1,326,484 km (0.069 R)
• M5: 1,660,536 km (0.083 R)
• M6: 2,160,044 km (0.096 R)
• M7: 2,562,462 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.5

Radius: 10

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.77 AU - 0.99 AU

Year: 560 Days

Day: 8.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,352,035 km

• M1: 143,614 km (0.105 R)
• M2: 455,825 km (0.036 R)
• M3: 658,679 km (0.077 R)
• M4: 902,674 km (0.057 R)
• M5: 1,319,902 km (0.098 R)
• M6: 1,683,724 km (0.102 R)
• M7: 1,981,125 km (0.103 R)
• M8: 2,225,717 km (0.097 R)
• M9: 2,536,581 km (0.115 R)
• M10: 3,057,332 km (0.116 R)
• M11: 3,636,724 km (0.103 R)
• M12: 3,849,452 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 14.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.96 AU - 1.14 AU

Year: 730 Days

Day: 11.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,352,035 km

• M1: 182,659 km (0.054 R)
• M2: 586,723 km (0.107 R)
• M3: 895,493 km (0.119 R)
• M4: 1,249,890 km (0.117 R)
• M5: 2,109,330 km (0.047 R)
• M6: 2,443,382 km (0.096 R)
• M7: 2,970,715 km (0.092 R)
• M8: 3,605,309 km (0.102 R)
• M9: 3,957,911 km (0.111 R)
• M10: 4,259,201 km (0.117 R)
• M11: 5,372,808 km (0.116 R)
• M12: 5,711,796 km (0.066 R)
• M13: 6,102,696 km (0.108 R)
• M14: 6,706,622 km (0.111 R)
• M15: 7,145,393 km (0.106 R)
• M16: 7,445,935 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.1

Radius: 12.3

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.6 AU - 2 AU

Year: 1638 Days

Day: 8.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,352,035 km

• M1: 153,637 km (0.113 R)
• M2: 411,843 km (0.079 R)
• M3: 733,478 km (0.096 R)
• M4: 971,040 km (0.098 R)
• M5: 1,780,215 km (0.079 R)
• M6: 2,979,391 km (0.115 R)
• M7: 3,772,110 km (0.094 R)
• M8: 4,136,232 km (0.058 R)
• M9: 5,434,442 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 10.1

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.86 AU - 2.18 AU

Year: 1947 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,352,035 km

• M1: 125,812 km (0.037 R)
• M2: 544,087 km (0.063 R)
• M3: 973,284 km (0.029 R)
• M4: 1,231,639 km (0.08 R)
• M5: 1,487,003 km (0.109 R)
• M6: 1,830,480 km (0.089 R)
• M7: 2,022,114 km (0.077 R)
• M8: 2,997,343 km (0.103 R)
• M9: 4,633,794 km (0.046 R)
• M10: 6,357,012 km (0.096 R)
• M11: 6,657,853 km (0.063 R)
• M12: 7,153,770 km (0.12 R)
• M13: 7,821,276 km (0.111 R)
• M14: 8,065,270 km (0.051 R)
• M15: 8,381,520 km (0.119 R)
• M16: 9,199,072 km (0.115 R)
• M17: 9,391,306 km (0.109 R)
• M18: 9,708,154 km (0.114 R)
• M19: 10,561,759 km (0.102 R)
• M20: 10,819,666 km (0.114 R)
• M21: 11,318,575 km (0.086 R)
• M22: 13,953,891 km (0.119 R)
• M23: 14,430,211 km (0.078 R)
• M24: 15,375,968 km (0.112 R)
• M25: 15,812,944 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343

Radius: 14.8

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.18 AU - 3.42 AU

Year: 4066 Days

Day: 12.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,352,035 km

• M1: 184,753 km (0.06 R)
• M2: 561,441 km (0.093 R)
• M3: 840,142 km (0.085 R)
• M4: 1,141,133 km (0.064 R)
• M5: 1,437,037 km (0.096 R)
• M6: 1,830,629 km (0.039 R)
• M7: 2,344,348 km (0.063 R)
• M8: 2,764,269 km (0.102 R)
• M9: 4,102,123 km (0.047 R)
• M10: 4,584,576 km (0.076 R)
• M11: 5,237,122 km (0.111 R)
• M12: 6,066,493 km (0.065 R)
• M13: 10,918,101 km (0.071 R)
• M14: 11,893,480 km (0.077 R)
• M15: 13,735,777 km (0.111 R)
• M16: 14,039,012 km (0.076 R)
• M17: 14,864,044 km (0.056 R)
• M18: 16,807,321 km (0.092 R)
• M19: 19,028,999 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.8

Radius: 11.2

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.65 AU - 5.21 AU

Year: 6324 Days

Day: 7.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,352,035 km

• M1: 150,645 km (0.088 R)
• M2: 983,157 km (0.117 R)
• M3: 1,217,278 km (0.072 R)
• M4: 1,590,973 km (0.087 R)
• M5: 2,362,749 km (0.081 R)
• M6: 2,706,525 km (0.111 R)
• M7: 6,196,045 km (0.09 R)
• M8: 9,393,699 km (0.031 R)
• M9: 9,708,303 km (0.09 R)
• M10: 10,407,973 km (0.099 R)
• M11: 12,294,701 km (0.059 R)
• M12: 14,469,704 km (0.034 R)
• M13: 15,124,046 km (0.099 R)
• M14: 17,103,973 km (0.116 R)
• M15: 17,422,168 km (0.104 R)
• M16: 17,743,355 km (0.044 R)
• M17: 18,394,704 km (0.027 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.7

Radius: 8.3

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.73 AU - 5.29 AU

Year: 6496 Days

Day: 6.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,352,035 km

• M1: 127,457 km (0.108 R)
• M2: 293,960 km (0.091 R)
• M3: 482,902 km (0.108 R)
• M4: 985,401 km (0.08 R)
• M5: 1,368,222 km (0.067 R)
• M6: 3,010,508 km (0.11 R)
• M7: 3,281,728 km (0.079 R)
• M8: 5,298,906 km (0.09 R)
• M9: 5,772,832 km (0.111 R)
• M10: 6,721,133 km (0.103 R)
• M11: 7,415,716 km (0.077 R)
• M12: 9,267,289 km (0.084 R)
• M13: 14,490,050 km (0.119 R)
• M14: 14,855,517 km (0.107 R)
• M15: 15,039,822 km (0.106 R)
• M16: 15,318,672 km (0.117 R)
• M17: 16,218,354 km (0.112 R)
• M18: 16,411,036 km (0.087 R)
• M19: 17,491,432 km (0.072 R)
• M20: 18,196,935 km (0.094 R)
• M21: 19,386,388 km (0.104 R)
• M22: 22,215,433 km (0.117 R)
• M23: 23,067,543 km (0.102 R)
• M24: 24,523,280 km (0.09 R)
• M25: 25,478,612 km (0.08 R)
• M26: 26,084,932 km (0.095 R)
• M27: 26,268,189 km (0.092 R)
• M28: 28,199,947 km (0.104 R)
• M29: 30,595,607 km (0.091 R)
• M30: 34,759,215 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.2

Radius: 7.6

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.86 AU - 6.52 AU

Year: 10445 Days

Day: 22.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 82,352,035 km

• M1: 98,136 km (0.11 R)
• M2: 287,078 km (0.067 R)
• M3: 762,949 km (0.11 R)
• M4: 1,054,665 km (0.104 R)
• M5: 1,239,568 km (0.069 R)
• M6: 1,525,749 km (0.102 R)
• M7: 2,090,331 km (0.092 R)
• M8: 2,887,538 km (0.064 R)
• M9: 3,218,299 km (0.08 R)
• M10: 3,500,590 km (0.087 R)
• M11: 3,911,835 km (0.116 R)
• M12: 4,223,297 km (0.095 R)
• M13: 4,726,246 km (0.095 R)
• M14: 5,676,192 km (0.071 R)
• M15: 6,169,566 km (0.11 R)
• M16: 6,807,900 km (0.098 R)
• M17: 7,186,831 km (0.067 R)
• M18: 7,412,724 km (0.101 R)
• M19: 7,976,110 km (0.119 R)
• M20: 9,494,378 km (0.092 R)
• M21: 10,399,894 km (0.09 R)
• M22: 10,750,253 km (0.092 R)
• M23: 11,387,390 km (0.117 R)
• M24: 11,590,394 km (0.119 R)
• M25: 13,941,774 km (0.109 R)
• M26: 14,943,630 km (0.118 R)
• M27: 15,316,578 km (0.12 R)
• M28: 16,511,865 km (0.104 R)
• M29: 18,261,262 km (0.065 R)
• M30: 19,671,222 km (0.096 R)
• M31: 23,630,480 km (0.099 R)
• M32: 23,922,943 km (0.092 R)
• M33: 25,777,060 km (0.114 R)
• M34: 26,389,962 km (0.06 R)
• M35: 28,017,437 km (0.118 R)
• M36: 28,849,501 km (0.115 R)
• M37: 29,693,831 km (0.082 R)
• M38: 31,016,426 km (0.094 R)
• M39: 31,688,719 km (0.113 R)
• M40: 32,368,042 km (0.079 R)
• M41: 33,470,280 km (0.099 R)
• M42: 35,015,775 km (0.105 R)
• M43: 35,945,676 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.4

Radius: 5.8

Gravity: 24.6 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.57 AU - 10.83 AU

Year: 20490 Days

Day: 17.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 163.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 82,352,035 km

• M1: 72,405 km (0.1 R)
• M2: 510,578 km (0.095 R)
• M3: 1,217,727 km (0.104 R)
• M4: 1,661,883 km (0.118 R)
• M5: 2,152,265 km (0.08 R)
• M6: 4,386,958 km (0.068 R)
• M7: 4,577,396 km (0.058 R)
• M8: 4,970,688 km (0.064 R)
• M9: 5,677,090 km (0.111 R)
• M10: 5,937,839 km (0.087 R)
• M11: 6,896,761 km (0.094 R)
• M12: 7,184,139 km (0.088 R)
• M13: 8,924,111 km (0.1 R)
• M14: 10,383,139 km (0.025 R)
• M15: 11,766,471 km (0.098 R)
• M16: 18,402,782 km (0.066 R)
• M17: 18,950,460 km (0.109 R)
• M18: 19,346,745 km (0.118 R)
• M19: 20,642,113 km (0.063 R)
• M20: 23,184,528 km (0.098 R)
• M21: 29,397,478 km (0.109 R)
• M22: 29,890,702 km (0.071 R)
• M23: 31,700,537 km (0.102 R)
• M24: 33,773,963 km (0.063 R)
• M25: 39,359,200 km (0.069 R)
• M26: 42,607,568 km (0.097 R)
• M27: 44,039,369 km (0.079 R)
• M28: 45,250,514 km (0.073 R)
• M29: 46,108,009 km (0.117 R)
• M30: 47,596,956 km (0.078 R)
• M31: 47,722,170 km (0.116 R)
• M32: 49,619,071 km (0.099 R)
• M33: 52,599,659 km (0.11 R)
• M34: 53,656,867 km (0.1 R)
• M35: 54,993,075 km (0.059 R)
• M36: 55,127,563 km (0.084 R)
• M37: 57,028,204 km (0.045 R)
• M38: 57,165,236 km (0.116 R)
• M39: 59,519,308 km (0.112 R)
• M40: 63,789,729 km (0.1 R)
• M41: 67,015,358 km (0.088 R)
• M42: 75,270,767 km (0.182 R)
• M43: 82,187,574 km (0.115 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: 368 - 12,636 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit