🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.9

Radius: 13.8

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.58 AU - 0.78 AU

Year: 368 Days

Day: 11.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,824,600 km

• M1: 171,589 km (0.114 R)
• M2: 613,351 km (0.071 R)
• M3: 1,139,637 km (0.081 R)
• M4: 1,581,997 km (0.063 R)
• M5: 2,079,410 km (0.06 R)
• M6: 2,654,465 km (0.105 R)
• M7: 3,196,009 km (0.116 R)
• M8: 3,693,571 km (0.073 R)
• M9: 4,625,566 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.8

Radius: 9.2

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.64 AU - 0.88 AU

Year: 435 Days

Day: 5.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 178.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,824,600 km

• M1: 116,088 km (0.081 R)
• M2: 402,269 km (0.117 R)
• M3: 856,149 km (0.093 R)
• M4: 1,936,544 km (0.073 R)
• M5: 2,283,163 km (0.103 R)
• M6: 2,932,866 km (0.097 R)
• M7: 3,461,994 km (0.091 R)
• M8: 4,265,484 km (0.095 R)
• M9: 5,111,460 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.9

Radius: 10.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.69 AU - 1.11 AU

Year: 560 Days

Day: 12.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,824,600 km

• M1: 135,835 km (0.107 R)
• M2: 556,055 km (0.042 R)
• M3: 924,515 km (0.054 R)
• M4: 1,694,944 km (0.088 R)
• M5: 2,045,003 km (0.05 R)
• M6: 3,095,030 km (0.098 R)
• M7: 5,249,389 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.8

Radius: 11.6

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.27 AU - 3.75 AU

Year: 3426 Days

Day: 14.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,824,600 km

• M1: 144,362 km (0.068 R)
• M2: 666,459 km (0.105 R)
• M3: 1,067,830 km (0.094 R)
• M4: 1,439,880 km (0.078 R)
• M5: 3,658,715 km (0.098 R)
• M6: 4,055,897 km (0.105 R)
• M7: 4,598,938 km (0.077 R)
• M8: 5,012,426 km (0.034 R)
• M9: 5,611,566 km (0.107 R)
• M10: 6,199,934 km (0.101 R)
• M11: 6,644,988 km (0.061 R)
• M12: 7,937,364 km (0.088 R)
• M13: 10,759,378 km (0.034 R)
• M14: 11,229,564 km (0.073 R)
• M15: 13,007,984 km (0.078 R)
• M16: 15,231,756 km (0.108 R)
• M17: 17,757,118 km (0.106 R)
• M18: 18,475,038 km (0.108 R)
• M19: 21,207,742 km (0.038 R)
• M20: 21,744,350 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.9

Radius: 9.2

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.14 AU - 4.14 AU

Year: 4556 Days

Day: 14.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,824,600 km

• M1: 114,442 km (0.074 R)
• M2: 425,456 km (0.06 R)
• M3: 1,247,945 km (0.114 R)
• M4: 1,603,689 km (0.093 R)
• M5: 2,081,505 km (0.115 R)
• M6: 2,818,424 km (0.049 R)
• M7: 3,172,971 km (0.044 R)
• M8: 3,537,391 km (0.096 R)
• M9: 4,192,181 km (0.056 R)
• M10: 6,226,413 km (0.049 R)
• M11: 7,277,338 km (0.077 R)
• M12: 8,660,221 km (0.113 R)
• M13: 9,031,672 km (0.118 R)
• M14: 9,452,641 km (0.037 R)
• M15: 9,766,946 km (0.107 R)
• M16: 11,051,393 km (0.106 R)
• M17: 11,356,423 km (0.062 R)
• M18: 14,002,959 km (0.093 R)
• M19: 14,308,887 km (0.043 R)
• M20: 15,307,453 km (0.094 R)
• M21: 15,906,293 km (0.09 R)
• M22: 18,216,832 km (0.117 R)
• M23: 18,581,701 km (0.109 R)
• M24: 21,543,141 km (0.119 R)
• M25: 22,853,468 km (0.087 R)
• M26: 24,362,462 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.5

Radius: 14.8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.17 AU - 4.21 AU

Year: 4650 Days

Day: 9.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,824,600 km

• M1: 184,005 km (0.065 R)
• M2: 1,502,411 km (0.117 R)
• M3: 2,297,225 km (0.077 R)
• M4: 3,519,589 km (0.115 R)
• M5: 4,417,027 km (0.119 R)
• M6: 4,958,870 km (0.063 R)
• M7: 5,884,133 km (0.107 R)
• M8: 7,249,513 km (0.113 R)
• M9: 7,830,401 km (0.1 R)
• M10: 10,217,684 km (0.113 R)
• M11: 11,082,210 km (0.093 R)
• M12: 11,762,133 km (0.079 R)
• M13: 13,406,961 km (0.11 R)
• M14: 15,310,893 km (0.116 R)
• M15: 16,270,115 km (0.078 R)
• M16: 17,692,192 km (0.074 R)
• M17: 19,131,324 km (0.065 R)
• M18: 20,044,918 km (0.111 R)
• M19: 20,512,411 km (0.114 R)
• M20: 21,608,515 km (0.037 R)
• M21: 23,252,296 km (0.086 R)
• M22: 24,217,352 km (0.086 R)
• M23: 26,386,970 km (0.093 R)
• M24: 27,355,317 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.5

Radius: 7.3

Gravity: 18.38 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.65 AU - 10.89 AU

Year: 17038 Days

Day: 24.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,824,600 km

• M1: 90,806 km (0.08 R)
• M2: 330,312 km (0.102 R)
• M3: 823,835 km (0.111 R)
• M4: 1,555,369 km (0.098 R)
• M5: 1,928,765 km (0.076 R)
• M6: 2,252,495 km (0.071 R)
• M7: 3,114,927 km (0.088 R)
• M8: 3,771,063 km (0.045 R)
• M9: 6,208,162 km (0.088 R)
• M10: 7,727,478 km (0.049 R)
• M11: 8,336,790 km (0.082 R)
• M12: 8,599,933 km (0.077 R)
• M13: 9,941,227 km (0.05 R)
• M14: 10,237,281 km (0.083 R)
• M15: 10,785,109 km (0.075 R)
• M16: 13,102,679 km (0.042 R)
• M17: 18,339,652 km (0.088 R)
• M18: 20,355,483 km (0.101 R)
• M19: 22,413,052 km (0.103 R)
• M20: 23,754,197 km (0.103 R)
• M21: 24,605,559 km (0.075 R)
• M22: 28,570,650 km (0.09 R)
• M23: 29,533,312 km (0.104 R)
• M24: 31,523,114 km (0.075 R)
• M25: 32,680,852 km (0.108 R)
• M26: 35,767,804 km (0.118 R)
• M27: 39,337,658 km (0.099 R)
• M28: 41,589,854 km (0.078 R)
• M29: 43,768,148 km (0.096 R)
• M30: 61,382,849 km (0.052 R)
• M31: 65,436,203 km (0.103 R)
• M32: 66,895,979 km (0.075 R)
• M33: 71,845,275 km (0.092 R)
• M34: 74,974,264 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.7

Radius: 3.9

Gravity: 45.74 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.97 AU - 9.87 AU

Year: 18966 Days

Day: 23.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,824,600 km

• M1: 51,162 km (0.066 R)
• M2: 430,543 km (0.11 R)
• M3: 781,649 km (0.032 R)
• M4: 1,904,231 km (0.111 R)
• M5: 3,907,945 km (0.094 R)
• M6: 6,997,889 km (0.11 R)
• M7: 8,105,961 km (0.059 R)
• M8: 13,004,692 km (0.067 R)
• M9: 14,074,018 km (0.11 R)
• M10: 23,969,917 km (0.118 R)
• M11: 24,708,632 km (0.064 R)
• M12: 28,279,383 km (0.078 R)
• M13: 30,309,426 km (0.062 R)
• M14: 34,257,314 km (0.079 R)
• M15: 36,423,042 km (0.085 R)
• M16: 38,391,302 km (0.049 R)
• M17: 49,472,764 km (0.091 R)
• M18: 50,840,836 km (0.083 R)
• M19: 56,380,446 km (0.073 R)
• M20: 65,117,111 km (0.108 R)
• M21: 67,173,932 km (0.074 R)
• M22: 68,008,688 km (0.118 R)
• M23: 73,382,842 km (0.088 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 18,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit