🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 11.8

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.69 AU - 1.01 AU

Year: 541 Days

Day: 7.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,447,865 km

• M1: 146,756 km (0.063 R)
• M2: 791,822 km (0.118 R)
• M3: 1,241,513 km (0.117 R)
• M4: 1,655,300 km (0.099 R)
• M5: 2,432,910 km (0.117 R)
• M6: 2,928,977 km (0.1 R)
• M7: 3,663,951 km (0.085 R)
• M8: 4,395,036 km (0.118 R)
• M9: 4,820,043 km (0.109 R)
• M10: 5,518,217 km (0.039 R)
• M11: 6,032,983 km (0.084 R)
• M12: 7,137,763 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75

Radius: 8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.88 AU - 1.06 AU

Year: 659 Days

Day: 7.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,447,865 km

• M1: 101,278 km (0.088 R)
• M2: 549,473 km (0.114 R)
• M3: 1,090,868 km (0.027 R)
• M4: 1,552,078 km (0.078 R)
• M5: 1,888,972 km (0.107 R)
• M6: 2,360,804 km (0.119 R)
• M7: 3,087,102 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.9

Radius: 13.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.84 AU - 1.12 AU

Year: 670 Days

Day: 7.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,447,865 km

• M1: 165,605 km (0.096 R)
• M2: 629,059 km (0.109 R)
• M3: 1,242,111 km (0.053 R)
• M4: 1,744,461 km (0.113 R)
• M5: 2,304,406 km (0.081 R)
• M6: 2,801,819 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.3

Radius: 11.6

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.02 AU - 1.24 AU

Year: 829 Days

Day: 11.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,447,865 km

• M1: 144,212 km (0.118 R)
• M2: 530,324 km (0.102 R)
• M3: 1,008,439 km (0.069 R)
• M4: 2,041,861 km (0.051 R)
• M5: 2,639,355 km (0.084 R)
• M6: 3,042,073 km (0.096 R)
• M7: 3,810,258 km (0.089 R)
• M8: 4,520,997 km (0.085 R)
• M9: 5,447,457 km (0.092 R)
• M10: 5,847,781 km (0.089 R)
• M11: 6,288,496 km (0.109 R)
• M12: 7,304,565 km (0.112 R)
• M13: 8,252,866 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.5

Radius: 10.9

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.3 AU - 4.58 AU

Year: 5398 Days

Day: 11.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,447,865 km

• M1: 142,118 km (0.084 R)
• M2: 591,360 km (0.088 R)
• M3: 1,241,214 km (0.109 R)
• M4: 1,668,016 km (0.107 R)
• M5: 2,121,298 km (0.096 R)
• M6: 3,165,940 km (0.114 R)
• M7: 3,595,435 km (0.087 R)
• M8: 4,085,967 km (0.073 R)
• M9: 4,596,694 km (0.097 R)
• M10: 4,994,475 km (0.102 R)
• M11: 5,718,079 km (0.067 R)
• M12: 6,120,198 km (0.11 R)
• M13: 6,949,120 km (0.118 R)
• M14: 8,348,908 km (0.102 R)
• M15: 8,943,410 km (0.079 R)
• M16: 10,897,158 km (0.076 R)
• M17: 12,348,407 km (0.083 R)
• M18: 12,730,480 km (0.06 R)
• M19: 13,169,849 km (0.119 R)
• M20: 13,873,407 km (0.078 R)
• M21: 15,575,532 km (0.067 R)
• M22: 16,078,330 km (0.059 R)
• M23: 17,532,122 km (0.108 R)
• M24: 21,719,516 km (0.064 R)
• M25: 22,206,906 km (0.025 R)
• M26: 23,859,813 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.7

Radius: 9.5

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.26 AU - 6.12 AU

Year: 8161 Days

Day: 13.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,447,865 km

• M1: 122,072 km (0.065 R)
• M2: 626,815 km (0.034 R)
• M3: 1,009,038 km (0.108 R)
• M4: 1,327,980 km (0.099 R)
• M5: 1,744,760 km (0.093 R)
• M6: 2,092,276 km (0.06 R)
• M7: 2,524,165 km (0.111 R)
• M8: 3,080,519 km (0.109 R)
• M9: 3,592,742 km (0.042 R)
• M10: 4,187,843 km (0.054 R)
• M11: 5,674,696 km (0.063 R)
• M12: 6,780,673 km (0.115 R)
• M13: 9,133,249 km (0.095 R)
• M14: 9,992,839 km (0.113 R)
• M15: 10,646,432 km (0.12 R)
• M16: 11,115,421 km (0.062 R)
• M17: 11,817,185 km (0.106 R)
• M18: 12,433,827 km (0.091 R)
• M19: 15,510,307 km (0.112 R)
• M20: 16,801,786 km (0.115 R)
• M21: 17,509,683 km (0.044 R)
• M22: 18,311,079 km (0.057 R)
• M23: 21,763,049 km (0.106 R)
• M24: 23,205,472 km (0.026 R)
• M25: 23,641,699 km (0.094 R)
• M26: 24,982,994 km (0.111 R)
• M27: 27,233,544 km (0.12 R)
• M28: 29,412,437 km (0.105 R)
• M29: 29,718,215 km (0.044 R)
• M30: 32,026,511 km (0.073 R)
• M31: 35,019,515 km (0.078 R)
• M32: 39,170,258 km (0.067 R)
• M33: 39,664,679 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.4

Radius: 5.8

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.01 AU - 6.23 AU

Year: 9196 Days

Day: 15.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,447,865 km

• M1: 86,168 km (0.11 R)
• M2: 457,919 km (0.08 R)
• M3: 765,044 km (0.105 R)
• M4: 2,632,773 km (0.092 R)
• M5: 2,868,689 km (0.091 R)
• M6: 3,404,100 km (0.092 R)
• M7: 3,618,623 km (0.108 R)
• M8: 5,018,410 km (0.051 R)
• M9: 5,325,235 km (0.052 R)
• M10: 5,976,285 km (0.074 R)
• M11: 7,651,033 km (0.088 R)
• M12: 8,994,722 km (0.107 R)
• M13: 15,304,461 km (0.06 R)
• M14: 16,982,201 km (0.099 R)
• M15: 27,921,545 km (0.1 R)
• M16: 30,414,145 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.2

Radius: 7

Gravity: 15.64 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.12 AU - 7.24 AU

Year: 11917 Days

Day: 17.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,447,865 km

• M1: 87,066 km (0.118 R)
• M2: 446,400 km (0.114 R)
• M3: 748,887 km (0.103 R)
• M4: 1,114,504 km (0.075 R)
• M5: 1,951,355 km (0.078 R)
• M6: 2,301,264 km (0.059 R)
• M7: 2,961,739 km (0.085 R)
• M8: 3,298,633 km (0.12 R)
• M9: 3,963,895 km (0.095 R)
• M10: 4,194,724 km (0.026 R)
• M11: 5,243,705 km (0.109 R)
• M12: 6,034,030 km (0.08 R)
• M13: 6,656,806 km (0.094 R)
• M14: 8,782,741 km (0.093 R)
• M15: 11,968,877 km (0.09 R)
• M16: 13,983,661 km (0.101 R)
• M17: 25,979,914 km (0.106 R)
• M18: 32,831,197 km (0.088 R)
• M19: 41,067,607 km (0.117 R)
• M20: 42,865,175 km (0.102 R)
• M21: 44,426,528 km (0.102 R)
• M22: 44,858,866 km (0.072 R)
• M23: 46,320,288 km (0.086 R)
• M24: 51,685,316 km (0.109 R)
• M25: 55,095,250 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.9

Radius: 7.6

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.01 AU - 8.65 AU

Year: 15124 Days

Day: 21.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,447,865 km

• M1: 94,546 km (0.095 R)
• M2: 341,981 km (0.053 R)
• M3: 1,133,054 km (0.084 R)
• M4: 2,017,626 km (0.063 R)
• M5: 2,944,236 km (0.099 R)
• M6: 3,247,471 km (0.1 R)
• M7: 3,571,500 km (0.118 R)
• M8: 4,190,835 km (0.077 R)
• M9: 6,232,247 km (0.1 R)
• M10: 8,553,109 km (0.032 R)
• M11: 9,332,663 km (0.085 R)
• M12: 11,092,533 km (0.104 R)
• M13: 12,664,357 km (0.091 R)
• M14: 13,129,906 km (0.118 R)
• M15: 14,379,347 km (0.082 R)
• M16: 14,812,882 km (0.079 R)
• M17: 15,255,243 km (0.116 R)
• M18: 17,112,800 km (0.039 R)
• M19: 18,179,582 km (0.081 R)
• M20: 19,116,364 km (0.027 R)
• M21: 19,728,967 km (0.079 R)
• M22: 20,993,368 km (0.108 R)
• M23: 27,688,322 km (0.112 R)
• M24: 30,794,273 km (0.085 R)
• M25: 31,514,587 km (0.114 R)
• M26: 31,879,007 km (0.112 R)
• M27: 32,989,173 km (0.082 R)
• M28: 38,236,019 km (0.094 R)
• M29: 45,388,742 km (0.057 R)
• M30: 50,677,924 km (0.044 R)
• M31: 52,869,533 km (0.076 R)
• M32: 54,423,406 km (0.115 R)
• M33: 57,803,121 km (0.081 R)
• M34: 59,822,393 km (0.07 R)
• M35: 61,698,500 km (0.1 R)
• M36: 65,765,468 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.3

Radius: 8

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 9.03 AU - 10.55 AU

Year: 21144 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,447,865 km

• M1: 124,017 km (0.034 R)
• M2: 445,652 km (0.117 R)
• M3: 750,832 km (0.081 R)
• M4: 1,042,398 km (0.12 R)
• M5: 2,152,115 km (0.1 R)
• M6: 3,281,878 km (0.09 R)
• M7: 7,419,007 km (0.067 R)
• M8: 11,752,858 km (0.115 R)
• M9: 14,274,479 km (0.083 R)
• M10: 19,496,642 km (0.117 R)
• M11: 24,061,770 km (0.085 R)
• M12: 26,486,602 km (0.117 R)
• M13: 31,346,738 km (0.099 R)
• M14: 32,171,022 km (0.082 R)
• M15: 34,856,005 km (0.073 R)
• M16: 44,093,524 km (0.069 R)
• M17: 47,399,188 km (0.106 R)
• M18: 49,270,208 km (0.083 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: 507 - 16,926 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit