🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.6

Radius: 8.7

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.56 AU - 0.58 AU

Year: 297 Days

Day: 8.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,580,356 km

• M1: 108,159 km (0.11 R)
• M2: 407,654 km (0.089 R)
• M3: 698,622 km (0.056 R)
• M4: 1,007,242 km (0.117 R)
• M5: 1,327,083 km (0.119 R)
• M6: 1,656,048 km (0.049 R)
• M7: 2,080,009 km (0.045 R)
• M8: 2,442,634 km (0.103 R)
• M9: 2,968,171 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.7

Radius: 10.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.84 AU - 1.04 AU

Year: 629 Days

Day: 14.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,580,356 km

• M1: 130,599 km (0.083 R)
• M2: 622,477 km (0.119 R)
• M3: 1,135,597 km (0.089 R)
• M4: 1,573,919 km (0.043 R)
• M5: 1,969,306 km (0.091 R)
• M6: 2,703,682 km (0.106 R)
• M7: 5,058,502 km (0.077 R)
• M8: 5,542,601 km (0.075 R)
• M9: 6,336,068 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.3

Radius: 15

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.11 AU - 1.29 AU

Year: 907 Days

Day: 6 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 94,580,356 km

• M1: 186,549 km (0.104 R)
• M2: 755,020 km (0.052 R)
• M3: 1,877,453 km (0.104 R)
• M4: 2,779,080 km (0.089 R)
• M5: 4,369,604 km (0.11 R)
• M6: 6,642,893 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 10.4

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.41 AU - 2.05 AU

Year: 1571 Days

Day: 7.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 94,580,356 km

• M1: 131,796 km (0.099 R)
• M2: 538,852 km (0.057 R)
• M3: 1,198,877 km (0.095 R)
• M4: 2,673,912 km (0.063 R)
• M5: 4,113,193 km (0.04 R)
• M6: 4,664,611 km (0.109 R)
• M7: 5,988,552 km (0.088 R)
• M8: 7,954,418 km (0.107 R)
• M9: 9,197,576 km (0.047 R)
• M10: 11,411,774 km (0.033 R)
• M11: 14,264,755 km (0.071 R)
• M12: 14,842,502 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.2

Radius: 12.2

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.28 AU - 3.48 AU

Year: 3374 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 94,580,356 km

• M1: 151,842 km (0.068 R)
• M2: 744,399 km (0.05 R)
• M3: 1,675,347 km (0.116 R)
• M4: 2,106,039 km (0.049 R)
• M5: 3,105,053 km (0.076 R)
• M6: 4,246,336 km (0.102 R)
• M7: 5,207,801 km (0.111 R)
• M8: 5,694,742 km (0.101 R)
• M9: 6,582,157 km (0.083 R)
• M10: 9,031,523 km (0.103 R)
• M11: 9,968,454 km (0.067 R)
• M12: 11,365,549 km (0.082 R)
• M13: 14,330,728 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.2

Radius: 14.8

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.14 AU - 3.38 AU

Year: 4063 Days

Day: 6.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 94,580,356 km

• M1: 184,005 km (0.116 R)
• M2: 854,204 km (0.107 R)
• M3: 1,672,205 km (0.119 R)
• M4: 2,386,535 km (0.079 R)
• M5: 4,480,007 km (0.025 R)
• M6: 5,005,545 km (0.116 R)
• M7: 6,011,142 km (0.106 R)
• M8: 7,147,637 km (0.062 R)
• M9: 7,902,358 km (0.073 R)
• M10: 9,003,548 km (0.104 R)
• M11: 9,533,274 km (0.052 R)
• M12: 10,949,667 km (0.068 R)
• M13: 12,548,718 km (0.101 R)
• M14: 13,355,799 km (0.105 R)
• M15: 14,812,583 km (0.074 R)
• M16: 18,884,786 km (0.077 R)
• M17: 20,393,481 km (0.116 R)
• M18: 21,243,646 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.1

Radius: 9

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.49 AU - 3.65 AU

Year: 4656 Days

Day: 5.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 177 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 94,580,356 km

• M1: 112,198 km (0.109 R)
• M2: 511,774 km (0.117 R)
• M3: 829,371 km (0.108 R)
• M4: 1,489,995 km (0.062 R)
• M5: 2,723,130 km (0.114 R)
• M6: 3,170,876 km (0.028 R)
• M7: 3,866,207 km (0.082 R)
• M8: 4,310,663 km (0.035 R)
• M9: 7,693,818 km (0.096 R)
• M10: 9,185,758 km (0.115 R)
• M11: 10,680,989 km (0.038 R)
• M12: 11,229,115 km (0.077 R)
• M13: 12,481,100 km (0.12 R)
• M14: 12,782,839 km (0.082 R)
• M15: 13,296,408 km (0.078 R)
• M16: 14,696,345 km (0.079 R)
• M17: 15,089,488 km (0.077 R)
• M18: 15,489,663 km (0.075 R)
• M19: 17,038,300 km (0.078 R)
• M20: 17,472,283 km (0.086 R)
• M21: 17,913,597 km (0.093 R)
• M22: 18,557,017 km (0.077 R)
• M23: 19,016,433 km (0.095 R)
• M24: 20,301,927 km (0.114 R)
• M25: 21,572,163 km (0.095 R)
• M26: 22,670,660 km (0.1 R)
• M27: 23,195,898 km (0.101 R)
• M28: 23,883,001 km (0.115 R)
• M29: 24,741,094 km (0.09 R)
• M30: 25,619,683 km (0.081 R)
• M31: 27,185,972 km (0.076 R)
• M32: 27,778,829 km (0.112 R)
• M33: 29,431,586 km (0.026 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.5

Radius: 4

Gravity: 51.97 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6 AU - 8.16 AU

Year: 13004 Days

Day: 17.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 94,580,356 km

• M1: 49,816 km (0.053 R)
• M2: 206,295 km (0.104 R)
• M3: 637,885 km (0.096 R)
• M4: 790,326 km (0.097 R)
• M5: 1,059,003 km (0.117 R)
• M6: 2,420,942 km (0.09 R)
• M7: 3,157,861 km (0.077 R)
• M8: 3,660,211 km (0.076 R)
• M9: 4,244,690 km (0.11 R)
• M10: 6,823,159 km (0.092 R)
• M11: 8,460,807 km (0.109 R)
• M12: 9,527,888 km (0.045 R)
• M13: 9,794,621 km (0.043 R)
• M14: 14,138,794 km (0.09 R)
• M15: 14,555,873 km (0.043 R)
• M16: 14,981,180 km (0.047 R)
• M17: 17,708,050 km (0.103 R)
• M18: 18,935,799 km (0.116 R)
• M19: 21,286,879 km (0.109 R)
• M20: 21,742,555 km (0.119 R)
• M21: 22,579,106 km (0.087 R)
• M22: 23,244,517 km (0.053 R)
• M23: 23,533,690 km (0.079 R)
• M24: 24,316,386 km (0.07 R)
• M25: 26,244,702 km (0.061 R)
• M26: 28,382,007 km (0.091 R)
• M27: 34,227,095 km (0.084 R)
• M28: 37,959,413 km (0.115 R)
• M29: 39,717,187 km (0.089 R)
• M30: 40,685,684 km (0.111 R)
• M31: 44,273,490 km (0.089 R)
• M32: 46,677,079 km (0.066 R)
• M33: 49,483,236 km (0.051 R)
• M34: 49,642,408 km (0.109 R)
• M35: 52,565,251 km (0.113 R)
• M36: 54,916,331 km (0.072 R)
• M37: 57,336,526 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.7

Radius: 7.3

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.86 AU - 10.2 AU

Year: 21926 Days

Day: 22.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 94,580,356 km

• M1: 90,806 km (0.107 R)
• M2: 331,060 km (0.115 R)
• M3: 957,576 km (0.09 R)
• M4: 1,594,265 km (0.107 R)
• M5: 2,541,069 km (0.065 R)
• M6: 2,984,478 km (0.114 R)
• M7: 5,352,761 km (0.075 R)
• M8: 7,413,771 km (0.096 R)
• M9: 8,148,297 km (0.087 R)
• M10: 8,841,085 km (0.077 R)
• M11: 10,343,346 km (0.112 R)
• M12: 15,211,261 km (0.106 R)
• M13: 18,136,947 km (0.114 R)
• M14: 19,015,834 km (0.115 R)
• M15: 21,096,890 km (0.109 R)
• M16: 21,904,719 km (0.047 R)
• M17: 22,233,535 km (0.066 R)
• M18: 23,325,150 km (0.12 R)
• M19: 24,101,414 km (0.08 R)
• M20: 24,451,922 km (0.08 R)
• M21: 27,569,990 km (0.055 R)
• M22: 30,533,075 km (0.095 R)
• M23: 33,158,966 km (0.108 R)
• M24: 33,592,651 km (0.043 R)
• M25: 35,140,390 km (0.12 R)
• M26: 37,550,113 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.1

Radius: 3

Gravity: 111.01 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.25 AU - 11.43 AU

Year: 22950 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 94,580,356 km

• M1: 39,195 km (0.069 R)
• M2: 717,023 km (0.092 R)
• M3: 1,044,044 km (0.107 R)
• M4: 1,187,657 km (0.113 R)
• M5: 1,550,283 km (0.065 R)
• M6: 2,746,168 km (0.099 R)
• M7: 3,688,036 km (0.07 R)
• M8: 4,559,444 km (0.059 R)
• M9: 5,432,497 km (0.109 R)
• M10: 6,553,284 km (0.103 R)
• M11: 8,424,903 km (0.086 R)
• M12: 10,105,785 km (0.076 R)
• M13: 10,298,168 km (0.119 R)
• M14: 13,796,364 km (0.097 R)
• M15: 15,007,359 km (0.117 R)
• M16: 15,939,055 km (0.109 R)
• M17: 17,362,329 km (0.106 R)
• M18: 20,766,428 km (0.117 R)
• M19: 21,181,712 km (0.099 R)
• M20: 24,705,191 km (0.071 R)
• M21: 25,643,319 km (0.089 R)
• M22: 30,159,828 km (0.096 R)
• M23: 30,292,372 km (0.076 R)
• M24: 33,875,241 km (0.04 R)
• M25: 34,886,074 km (0.104 R)
• M26: 39,445,967 km (0.111 R)
• M27: 41,867,956 km (0.068 R)
• M28: 43,031,379 km (0.047 R)
• M29: 44,045,652 km (0.059 R)
• M30: 44,387,184 km (0.098 R)
• M31: 46,297,549 km (0.075 R)
• M32: 48,443,381 km (0.096 R)
• M33: 48,990,012 km (0.119 R)
• M34: 52,739,533 km (0.101 R)
• M35: 58,303,676 km (0.108 R)
• M36: 58,715,519 km (0.047 R)
• M37: 60,382,039 km (0.086 R)
• M38: 64,685,670 km (0.098 R)
• M39: 66,462,744 km (0.093 R)
• M40: 66,912,136 km (0.114 R)
• M41: 71,517,356 km (0.118 R)
• M42: 74,621,213 km (0.074 R)
• M43: 80,076,599 km (0.114 R)
• M44: 82,901,156 km (0.1 R)
• M45: 87,127,296 km (0.08 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 17,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit