🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.7

Radius: 8.3

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.43 AU - 0.59 AU

Year: 251 Days

Day: 7.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,843,256 km

• M1: 103,223 km (0.106 R)
• M2: 466,297 km (0.082 R)
• M3: 753,674 km (0.108 R)
• M4: 1,031,627 km (0.091 R)
• M5: 1,414,149 km (0.081 R)
• M6: 2,044,853 km (0.101 R)
• M7: 2,340,010 km (0.028 R)
• M8: 2,756,341 km (0.08 R)
• M9: 3,772,110 km (0.069 R)
• M10: 4,046,024 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.3

Radius: 12.1

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.48 AU - 0.58 AU

Year: 266 Days

Day: 12.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,843,256 km

• M1: 150,495 km (0.084 R)
• M2: 716,873 km (0.082 R)
• M3: 1,165,068 km (0.105 R)
• M4: 1,659,788 km (0.091 R)
• M5: 2,308,894 km (0.06 R)
• M6: 3,266,320 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.5

Radius: 9.7

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.49 AU - 0.59 AU

Year: 274 Days

Day: 14.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,843,256 km

• M1: 120,576 km (0.047 R)
• M2: 459,265 km (0.114 R)
• M3: 804,238 km (0.103 R)
• M4: 1,158,785 km (0.036 R)
• M5: 1,546,842 km (0.113 R)
• M6: 2,180,838 km (0.117 R)
• M7: 2,490,356 km (0.103 R)
• M8: 3,508,818 km (0.112 R)
• M9: 4,061,881 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.9

Radius: 10

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.41 AU - 1.67 AU

Year: 1319 Days

Day: 13.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,843,256 km

• M1: 125,064 km (0.098 R)
• M2: 487,839 km (0.097 R)
• M3: 1,044,193 km (0.083 R)
• M4: 1,489,696 km (0.08 R)
• M5: 1,833,771 km (0.088 R)
• M6: 2,650,874 km (0.111 R)
• M7: 3,664,400 km (0.107 R)
• M8: 4,203,102 km (0.038 R)
• M9: 5,812,775 km (0.101 R)
• M10: 6,678,348 km (0.106 R)
• M11: 9,368,866 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.1

Radius: 12.8

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.66 AU - 1.76 AU

Year: 1543 Days

Day: 7.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,843,256 km

• M1: 159,172 km (0.082 R)
• M2: 937,679 km (0.08 R)
• M3: 1,388,268 km (0.072 R)
• M4: 1,975,141 km (0.027 R)
• M5: 2,589,390 km (0.072 R)
• M6: 3,265,871 km (0.114 R)
• M7: 4,130,397 km (0.091 R)
• M8: 4,869,710 km (0.057 R)
• M9: 6,239,129 km (0.12 R)
• M10: 6,714,252 km (0.09 R)
• M11: 7,569,503 km (0.069 R)
• M12: 8,316,594 km (0.076 R)
• M13: 9,175,735 km (0.06 R)
• M14: 9,692,745 km (0.086 R)
• M15: 11,434,812 km (0.101 R)
• M16: 11,920,108 km (0.088 R)
• M17: 13,052,414 km (0.118 R)
• M18: 14,212,546 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.7

Radius: 13

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.81 AU - 4.53 AU

Year: 4853 Days

Day: 14 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,843,256 km

• M1: 162,014 km (0.108 R)
• M2: 849,118 km (0.109 R)
• M3: 1,530,835 km (0.115 R)
• M4: 2,152,564 km (0.109 R)
• M5: 2,939,000 km (0.037 R)
• M6: 3,726,333 km (0.049 R)
• M7: 4,219,258 km (0.038 R)
• M8: 4,971,885 km (0.107 R)
• M9: 5,395,247 km (0.044 R)
• M10: 5,997,379 km (0.08 R)
• M11: 6,445,275 km (0.104 R)
• M12: 7,590,446 km (0.115 R)
• M13: 8,038,941 km (0.096 R)
• M14: 8,584,823 km (0.075 R)
• M15: 9,838,005 km (0.115 R)
• M16: 10,463,025 km (0.068 R)
• M17: 11,353,581 km (0.113 R)
• M18: 11,891,834 km (0.037 R)
• M19: 14,217,482 km (0.067 R)
• M20: 15,310,145 km (0.12 R)
• M21: 16,706,641 km (0.101 R)
• M22: 17,532,721 km (0.06 R)
• M23: 18,586,488 km (0.08 R)
• M24: 24,096,627 km (0.118 R)
• M25: 25,648,256 km (0.097 R)
• M26: 26,747,650 km (0.076 R)
• M27: 27,614,570 km (0.101 R)
• M28: 30,514,824 km (0.093 R)
• M29: 31,652,965 km (0.095 R)
• M30: 32,622,808 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.3

Radius: 9.2

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.04 AU - 5.5 AU

Year: 8351 Days

Day: 6.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,843,256 km

• M1: 116,986 km (0.105 R)
• M2: 844,480 km (0.074 R)
• M3: 1,343,239 km (0.037 R)
• M4: 1,897,948 km (0.058 R)
• M5: 2,347,789 km (0.056 R)
• M6: 3,660,809 km (0.069 R)
• M7: 4,192,032 km (0.067 R)
• M8: 5,020,953 km (0.104 R)
• M9: 5,955,342 km (0.09 R)
• M10: 6,501,523 km (0.082 R)
• M11: 7,362,459 km (0.064 R)
• M12: 7,820,528 km (0.07 R)
• M13: 9,309,775 km (0.113 R)
• M14: 9,599,546 km (0.105 R)
• M15: 9,945,416 km (0.118 R)
• M16: 11,412,522 km (0.073 R)
• M17: 11,744,779 km (0.047 R)
• M18: 17,537,957 km (0.073 R)
• M19: 18,583,047 km (0.108 R)
• M20: 20,308,509 km (0.103 R)
• M21: 21,376,937 km (0.119 R)
• M22: 26,410,606 km (0.084 R)
• M23: 28,283,572 km (0.092 R)
• M24: 30,667,115 km (0.11 R)
• M25: 33,859,533 km (0.086 R)
• M26: 35,712,452 km (0.088 R)
• M27: 36,783,872 km (0.102 R)
• M28: 38,990,740 km (0.106 R)
• M29: 40,382,150 km (0.057 R)
• M30: 41,414,525 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541.3

Radius: 7.5

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.08 AU - 7 AU

Year: 11545 Days

Day: 23.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,843,256 km

• M1: 93,798 km (0.102 R)
• M2: 537,655 km (0.079 R)
• M3: 958,623 km (0.11 R)
• M4: 1,231,938 km (0.12 R)
• M5: 1,501,663 km (0.114 R)
• M6: 1,906,924 km (0.106 R)
• M7: 2,558,722 km (0.114 R)
• M8: 2,827,849 km (0.112 R)
• M9: 3,326,757 km (0.097 R)
• M10: 4,411,492 km (0.073 R)
• M11: 5,309,827 km (0.087 R)
• M12: 6,324,848 km (0.111 R)
• M13: 7,056,532 km (0.102 R)
• M14: 7,339,870 km (0.06 R)
• M15: 11,976,806 km (0.081 R)
• M16: 12,264,183 km (0.085 R)
• M17: 15,944,739 km (0.089 R)
• M18: 16,222,842 km (0.103 R)
• M19: 17,221,707 km (0.104 R)
• M20: 18,185,416 km (0.056 R)
• M21: 18,873,417 km (0.098 R)
• M22: 20,139,015 km (0.039 R)
• M23: 23,192,008 km (0.047 R)
• M24: 27,127,779 km (0.084 R)
• M25: 27,824,306 km (0.082 R)
• M26: 30,197,078 km (0.116 R)
• M27: 31,269,545 km (0.108 R)
• M28: 32,701,496 km (0.066 R)
• M29: 35,577,066 km (0.111 R)
• M30: 37,503,438 km (0.086 R)
• M31: 42,755,071 km (0.06 R)
• M32: 43,157,490 km (0.086 R)
• M33: 46,752,027 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.4

Radius: 8

Gravity: 13.79 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.29 AU - 8.43 AU

Year: 15211 Days

Day: 18.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,843,256 km

• M1: 99,632 km (0.063 R)
• M2: 481,406 km (0.069 R)
• M3: 1,063,641 km (0.1 R)
• M4: 2,879,011 km (0.11 R)
• M5: 7,388,639 km (0.096 R)
• M6: 9,562,894 km (0.079 R)
• M7: 10,588,088 km (0.029 R)
• M8: 12,391,491 km (0.101 R)
• M9: 16,436,318 km (0.087 R)
• M10: 18,411,160 km (0.06 R)
• M11: 19,103,199 km (0.086 R)
• M12: 21,189,342 km (0.069 R)
• M13: 22,142,130 km (0.066 R)
• M14: 22,531,085 km (0.037 R)
• M15: 25,488,934 km (0.053 R)
• M16: 30,217,124 km (0.104 R)
• M17: 31,791,343 km (0.086 R)
• M18: 33,292,258 km (0.095 R)
• M19: 41,806,172 km (0.071 R)
• M20: 46,085,868 km (0.106 R)
• M21: 47,039,405 km (0.117 R)
• M22: 48,168,570 km (0.096 R)
• M23: 53,212,711 km (0.089 R)
• M24: 65,326,847 km (0.114 R)
• M25: 67,339,836 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.9

Radius: 5.7

Gravity: 28.04 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.44 AU - 9.76 AU

Year: 15913 Days

Day: 23.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,843,256 km

• M1: 72,854 km (0.11 R)
• M2: 285,134 km (0.112 R)
• M3: 532,718 km (0.05 R)
• M4: 716,723 km (0.07 R)
• M5: 1,452,446 km (0.095 R)
• M6: 1,767,648 km (0.042 R)
• M7: 2,842,360 km (0.053 R)
• M8: 3,148,138 km (0.102 R)
• M9: 3,589,751 km (0.102 R)
• M10: 4,838,743 km (0.066 R)
• M11: 5,126,869 km (0.115 R)
• M12: 5,350,517 km (0.103 R)
• M13: 5,978,679 km (0.053 R)
• M14: 7,811,552 km (0.098 R)
• M15: 8,258,999 km (0.109 R)
• M16: 8,881,925 km (0.089 R)
• M17: 10,338,260 km (0.064 R)
• M18: 10,515,982 km (0.085 R)
• M19: 10,877,560 km (0.084 R)
• M20: 11,625,400 km (0.082 R)
• M21: 11,882,260 km (0.098 R)
• M22: 13,858,298 km (0.074 R)
• M23: 14,736,587 km (0.093 R)
• M24: 19,062,509 km (0.047 R)
• M25: 21,177,673 km (0.06 R)
• M26: 24,583,418 km (0.118 R)
• M27: 28,106,448 km (0.095 R)
• M28: 30,349,818 km (0.034 R)
• M29: 30,836,908 km (0.08 R)
• M30: 34,130,605 km (0.071 R)
• M31: 37,931,886 km (0.053 R)
• M32: 38,496,918 km (0.086 R)
• M33: 42,610,710 km (0.098 R)
• M34: 48,815,132 km (0.083 R)
• M35: 50,158,221 km (0.061 R)
• M36: 57,429,875 km (0.118 R)
• M37: 58,174,722 km (0.061 R)
• M38: 61,412,619 km (0.089 R)
• M39: 62,583,521 km (0.091 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 15,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit