🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.7

Radius: 8

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.73 AU - 1.01 AU

Year: 560 Days

Day: 6.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,616,306 km

• M1: 99,782 km (0.089 R)
• M2: 378,333 km (0.06 R)
• M3: 633,098 km (0.085 R)
• M4: 898,634 km (0.027 R)
• M5: 1,399,338 km (0.063 R)
• M6: 1,807,142 km (0.102 R)
• M7: 2,118,755 km (0.076 R)
• M8: 2,566,351 km (0.102 R)
• M9: 2,906,088 km (0.093 R)
• M10: 3,434,767 km (0.077 R)
• M11: 3,689,532 km (0.057 R)
• M12: 4,180,363 km (0.084 R)
• M13: 4,965,303 km (0.097 R)
• M14: 6,284,457 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.1

Radius: 14.1

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.41 AU - 1.63 AU

Year: 1294 Days

Day: 5.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,616,306 km

• M1: 175,329 km (0.084 R)
• M2: 824,883 km (0.099 R)
• M3: 1,464,264 km (0.115 R)
• M4: 2,150,021 km (0.068 R)
• M5: 3,073,937 km (0.087 R)
• M6: 3,594,388 km (0.083 R)
• M7: 4,173,631 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.7

Radius: 10.3

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.62 AU - 1.76 AU

Year: 1516 Days

Day: 12.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,616,306 km

• M1: 128,355 km (0.054 R)
• M2: 472,430 km (0.112 R)
• M3: 1,433,746 km (0.049 R)
• M4: 2,136,407 km (0.11 R)
• M5: 2,799,874 km (0.113 R)
• M6: 3,578,979 km (0.06 R)
• M7: 4,126,508 km (0.108 R)
• M8: 5,697,136 km (0.038 R)
• M9: 6,204,422 km (0.105 R)
• M10: 6,842,756 km (0.096 R)
• M11: 8,991,879 km (0.086 R)
• M12: 11,665,343 km (0.073 R)
• M13: 13,302,243 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.9

Radius: 9.2

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.67 AU - 1.89 AU

Year: 1639 Days

Day: 8.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,616,306 km

• M1: 114,742 km (0.091 R)
• M2: 452,534 km (0.091 R)
• M3: 855,101 km (0.084 R)
• M4: 1,263,803 km (0.107 R)
• M5: 1,593,666 km (0.062 R)
• M6: 1,981,424 km (0.072 R)
• M7: 2,319,066 km (0.089 R)
• M8: 2,777,883 km (0.052 R)
• M9: 3,218,598 km (0.07 R)
• M10: 3,722,294 km (0.101 R)
• M11: 5,160,079 km (0.074 R)
• M12: 6,962,883 km (0.116 R)
• M13: 7,308,754 km (0.053 R)
• M14: 10,230,101 km (0.119 R)
• M15: 10,677,847 km (0.043 R)
• M16: 11,174,662 km (0.047 R)
• M17: 12,600,928 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.3

Radius: 9.3

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.64 AU - 2.96 AU

Year: 3234 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,616,306 km

• M1: 115,789 km (0.115 R)
• M2: 423,960 km (0.118 R)
• M3: 1,165,068 km (0.109 R)
• M4: 2,644,591 km (0.061 R)
• M5: 4,581,285 km (0.059 R)
• M6: 5,535,271 km (0.057 R)
• M7: 7,098,269 km (0.093 R)
• M8: 11,493,305 km (0.099 R)
• M9: 11,925,942 km (0.1 R)
• M10: 16,813,903 km (0.091 R)
• M11: 19,543,466 km (0.034 R)
• M12: 20,599,477 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.2

Radius: 13.3

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.08 AU - 4.38 AU

Year: 6005 Days

Day: 12.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,616,306 km

• M1: 171,888 km (0.111 R)
• M2: 1,064,838 km (0.096 R)
• M3: 1,831,527 km (0.039 R)
• M4: 2,551,691 km (0.091 R)
• M5: 4,707,396 km (0.083 R)
• M6: 7,462,540 km (0.095 R)
• M7: 8,796,205 km (0.108 R)
• M8: 11,378,713 km (0.119 R)
• M9: 12,991,977 km (0.115 R)
• M10: 16,376,329 km (0.053 R)
• M11: 17,261,500 km (0.097 R)
• M12: 18,365,532 km (0.085 R)
• M13: 19,321,014 km (0.093 R)
• M14: 20,781,987 km (0.069 R)
• M15: 23,036,875 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.6

Radius: 4.3

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.57 AU - 7.63 AU

Year: 13059 Days

Day: 17.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,616,306 km

• M1: 58,642 km (0.116 R)
• M2: 194,178 km (0.069 R)
• M3: 348,713 km (0.07 R)
• M4: 485,595 km (0.102 R)
• M5: 920,775 km (0.111 R)
• M6: 1,070,672 km (0.09 R)
• M7: 1,248,394 km (0.096 R)
• M8: 1,736,382 km (0.063 R)
• M9: 2,305,902 km (0.069 R)
• M10: 3,828,509 km (0.11 R)
• M11: 6,547,749 km (0.115 R)
• M12: 7,030,053 km (0.108 R)
• M13: 7,817,686 km (0.087 R)
• M14: 9,754,380 km (0.116 R)
• M15: 10,235,337 km (0.09 R)
• M16: 10,481,724 km (0.036 R)
• M17: 10,833,130 km (0.043 R)
• M18: 15,684,738 km (0.047 R)
• M19: 16,078,181 km (0.119 R)
• M20: 19,466,573 km (0.106 R)
• M21: 20,459,902 km (0.079 R)
• M22: 22,053,419 km (0.088 R)
• M23: 25,665,609 km (0.082 R)
• M24: 29,752,623 km (0.089 R)
• M25: 32,106,994 km (0.079 R)
• M26: 38,234,373 km (0.085 R)
• M27: 39,305,943 km (0.087 R)
• M28: 39,909,870 km (0.059 R)
• M29: 40,888,838 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.3

Radius: 6.4

Gravity: 24.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.47 AU - 7.73 AU

Year: 13059 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,616,306 km

• M1: 79,586 km (0.111 R)
• M2: 311,762 km (0.084 R)
• M3: 545,434 km (0.08 R)
• M4: 1,299,258 km (0.097 R)
• M5: 1,676,543 km (0.065 R)
• M6: 2,047,696 km (0.095 R)
• M7: 2,537,778 km (0.093 R)
• M8: 3,415,619 km (0.084 R)
• M9: 4,545,980 km (0.079 R)
• M10: 8,879,681 km (0.087 R)
• M11: 9,456,829 km (0.103 R)
• M12: 10,003,011 km (0.104 R)
• M13: 10,920,196 km (0.119 R)
• M14: 12,017,646 km (0.074 R)
• M15: 13,592,911 km (0.107 R)
• M16: 15,976,903 km (0.105 R)
• M17: 16,360,771 km (0.114 R)
• M18: 19,309,495 km (0.05 R)
• M19: 21,928,355 km (0.062 R)
• M20: 23,273,539 km (0.053 R)
• M21: 24,066,408 km (0.111 R)
• M22: 25,916,036 km (0.103 R)
• M23: 28,978,304 km (0.102 R)
• M24: 30,244,650 km (0.067 R)
• M25: 31,427,521 km (0.116 R)
• M26: 32,151,874 km (0.058 R)
• M27: 33,508,577 km (0.11 R)
• M28: 34,264,495 km (0.048 R)
• M29: 39,736,785 km (0.068 R)
• M30: 41,011,359 km (0.037 R)
• M31: 42,606,072 km (0.099 R)
• M32: 43,791,336 km (0.114 R)
• M33: 53,220,190 km (0.07 R)
• M34: 56,699,987 km (0.067 R)
• M35: 57,056,179 km (0.093 R)
• M36: 60,513,835 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.8

Radius: 4

Gravity: 51.55 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.39 AU - 8.37 AU

Year: 15269 Days

Day: 18.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,616,306 km

• M1: 49,816 km (0.097 R)
• M2: 296,503 km (0.1 R)
• M3: 484,548 km (0.11 R)
• M4: 1,749,248 km (0.052 R)
• M5: 2,202,081 km (0.043 R)
• M6: 2,567,249 km (0.107 R)
• M7: 4,182,308 km (0.064 R)
• M8: 4,374,092 km (0.104 R)
• M9: 5,310,126 km (0.032 R)
• M10: 8,195,121 km (0.063 R)
• M11: 8,751,475 km (0.063 R)
• M12: 9,065,332 km (0.084 R)
• M13: 11,108,240 km (0.105 R)
• M14: 15,310,893 km (0.1 R)
• M15: 15,843,162 km (0.083 R)
• M16: 18,605,338 km (0.077 R)
• M17: 21,483,002 km (0.046 R)
• M18: 21,957,826 km (0.12 R)
• M19: 25,059,289 km (0.09 R)
• M20: 36,090,636 km (0.068 R)
• M21: 36,224,227 km (0.067 R)
• M22: 38,544,041 km (0.094 R)
• M23: 39,527,497 km (0.075 R)
• M24: 39,669,316 km (0.086 R)
• M25: 41,106,353 km (0.068 R)
• M26: 41,252,062 km (0.105 R)
• M27: 43,326,535 km (0.117 R)
• M28: 43,931,808 km (0.118 R)
• M29: 44,850,190 km (0.083 R)
• M30: 51,471,391 km (0.113 R)
• M31: 54,397,526 km (0.047 R)
• M32: 54,748,931 km (0.116 R)
• M33: 55,101,833 km (0.082 R)
• M34: 56,169,662 km (0.081 R)
• M35: 64,424,921 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.2

Radius: 6.5

Gravity: 22.56 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.32 AU - 12.14 AU

Year: 20950 Days

Day: 18.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,616,306 km

• M1: 81,082 km (0.08 R)
• M2: 358,885 km (0.11 R)
• M3: 690,843 km (0.101 R)
• M4: 1,415,944 km (0.088 R)
• M5: 2,237,835 km (0.055 R)
• M6: 2,688,573 km (0.086 R)
• M7: 3,085,755 km (0.03 R)
• M8: 3,521,384 km (0.113 R)
• M9: 4,063,677 km (0.096 R)
• M10: 5,154,395 km (0.111 R)
• M11: 6,292,236 km (0.038 R)
• M12: 6,943,884 km (0.115 R)
• M13: 7,951,576 km (0.093 R)
• M14: 8,218,159 km (0.109 R)
• M15: 8,825,377 km (0.066 R)
• M16: 9,169,003 km (0.115 R)
• M17: 9,462,215 km (0.109 R)
• M18: 10,379,250 km (0.066 R)
• M19: 11,421,498 km (0.119 R)
• M20: 12,460,156 km (0.09 R)
• M21: 12,675,278 km (0.087 R)
• M22: 18,988,458 km (0.104 R)
• M23: 22,813,226 km (0.119 R)
• M24: 23,027,750 km (0.064 R)
• M25: 26,882,588 km (0.102 R)
• M26: 31,015,229 km (0.115 R)
• M27: 33,026,273 km (0.111 R)
• M28: 36,862,411 km (0.104 R)
• M29: 37,157,718 km (0.079 R)
• M30: 39,578,361 km (0.117 R)
• M31: 47,992,792 km (0.097 R)
• M32: 52,334,870 km (0.103 R)
• M33: 54,409,793 km (0.08 R)
• M34: 55,177,679 km (0.079 R)
• M35: 73,018,721 km (0.084 R)
• M36: 73,484,718 km (0.062 R)
• M37: 77,284,803 km (0.082 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: 182 - 16,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit