🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.7

Radius: 12.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.8 AU - 0.88 AU

Year: 522 Days

Day: 11.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,663,666 km

• M1: 158,723 km (0.095 R)
• M2: 584,030 km (0.092 R)
• M3: 1,082,041 km (0.076 R)
• M4: 1,484,011 km (0.111 R)
• M5: 3,171,026 km (0.104 R)
• M6: 3,991,720 km (0.097 R)
• M7: 4,654,588 km (0.094 R)
• M8: 5,190,747 km (0.078 R)
• M9: 6,072,327 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.5

Radius: 9.3

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.69 AU - 1.03 AU

Year: 541 Days

Day: 9.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,663,666 km

• M1: 116,836 km (0.118 R)
• M2: 422,016 km (0.086 R)
• M3: 760,256 km (0.11 R)
• M4: 1,136,794 km (0.084 R)
• M5: 1,773,034 km (0.11 R)
• M6: 2,667,480 km (0.074 R)
• M7: 2,957,550 km (0.091 R)
• M8: 3,522,132 km (0.088 R)
• M9: 3,921,259 km (0.034 R)
• M10: 4,220,904 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.5

Radius: 11

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.74 AU - 1.04 AU

Year: 569 Days

Day: 10 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,663,666 km

• M1: 136,882 km (0.082 R)
• M2: 505,491 km (0.106 R)
• M3: 909,705 km (0.098 R)
• M4: 1,370,915 km (0.074 R)
• M5: 1,804,450 km (0.113 R)
• M6: 2,441,587 km (0.037 R)
• M7: 3,025,617 km (0.059 R)
• M8: 3,756,851 km (0.102 R)
• M9: 4,699,617 km (0.075 R)
• M10: 5,069,872 km (0.104 R)
• M11: 7,005,967 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.7

Radius: 8.2

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.16 AU - 1.22 AU

Year: 880 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,663,666 km

• M1: 102,175 km (0.061 R)
• M2: 364,121 km (0.039 R)
• M3: 819,048 km (0.094 R)
• M4: 1,220,569 km (0.108 R)
• M5: 1,676,693 km (0.062 R)
• M6: 2,457,444 km (0.093 R)
• M7: 3,104,754 km (0.1 R)
• M8: 4,607,465 km (0.1 R)
• M9: 4,920,424 km (0.11 R)
• M10: 5,306,685 km (0.063 R)
• M11: 6,519,774 km (0.077 R)
• M12: 7,203,586 km (0.06 R)
• M13: 7,651,333 km (0.084 R)
• M14: 8,144,108 km (0.113 R)
• M15: 8,548,022 km (0.033 R)
• M16: 9,542,399 km (0.07 R)
• M17: 10,082,747 km (0.07 R)
• M18: 10,454,348 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.7

Radius: 11.3

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.15 AU - 1.31 AU

Year: 925 Days

Day: 5.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,663,666 km

• M1: 140,622 km (0.05 R)
• M2: 573,558 km (0.089 R)
• M3: 1,400,834 km (0.084 R)
• M4: 1,787,994 km (0.051 R)
• M5: 2,268,053 km (0.104 R)
• M6: 2,665,984 km (0.082 R)
• M7: 3,242,833 km (0.12 R)
• M8: 3,677,415 km (0.085 R)
• M9: 4,087,463 km (0.032 R)
• M10: 4,460,859 km (0.116 R)
• M11: 6,315,723 km (0.08 R)
• M12: 7,180,847 km (0.084 R)
• M13: 7,533,898 km (0.102 R)
• M14: 8,022,934 km (0.118 R)
• M15: 8,403,361 km (0.073 R)
• M16: 8,902,719 km (0.073 R)
• M17: 9,421,823 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.6

Radius: 10.3

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.33 AU - 5.93 AU

Year: 9061 Days

Day: 6.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,663,666 km

• M1: 128,205 km (0.041 R)
• M2: 459,714 km (0.101 R)
• M3: 995,275 km (0.051 R)
• M4: 1,383,631 km (0.075 R)
• M5: 2,124,888 km (0.093 R)
• M6: 2,515,638 km (0.113 R)
• M7: 3,043,718 km (0.112 R)
• M8: 3,444,042 km (0.095 R)
• M9: 4,322,481 km (0.085 R)
• M10: 5,146,915 km (0.088 R)
• M11: 10,224,266 km (0.066 R)
• M12: 11,909,786 km (0.091 R)
• M13: 13,460,218 km (0.085 R)
• M14: 14,155,100 km (0.092 R)
• M15: 16,101,817 km (0.118 R)
• M16: 17,470,339 km (0.074 R)
• M17: 18,527,247 km (0.114 R)
• M18: 19,307,849 km (0.119 R)
• M19: 21,102,276 km (0.095 R)
• M20: 22,916,449 km (0.111 R)
• M21: 23,453,206 km (0.088 R)
• M22: 24,274,349 km (0.045 R)
• M23: 25,208,887 km (0.114 R)
• M24: 25,877,290 km (0.115 R)
• M25: 28,463,538 km (0.097 R)
• M26: 30,459,323 km (0.11 R)
• M27: 37,743,393 km (0.111 R)
• M28: 43,740,772 km (0.116 R)
• M29: 44,152,764 km (0.102 R)
• M30: 47,831,376 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.2

Radius: 3.8

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.18 AU - 6.4 AU

Year: 9450 Days

Day: 15.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,663,666 km

• M1: 47,273 km (0.09 R)
• M2: 245,640 km (0.099 R)
• M3: 375,191 km (0.089 R)
• M4: 709,842 km (0.086 R)
• M5: 948,600 km (0.074 R)
• M6: 1,290,730 km (0.083 R)
• M7: 2,370,528 km (0.104 R)
• M8: 2,793,591 km (0.096 R)
• M9: 3,108,644 km (0.112 R)
• M10: 5,892,511 km (0.086 R)
• M11: 7,960,402 km (0.091 R)
• M12: 9,056,954 km (0.104 R)
• M13: 10,641,046 km (0.036 R)
• M14: 13,044,785 km (0.116 R)
• M15: 13,196,477 km (0.107 R)
• M16: 13,972,890 km (0.045 R)
• M17: 16,542,981 km (0.109 R)
• M18: 18,126,475 km (0.103 R)
• M19: 20,075,885 km (0.082 R)
• M20: 20,345,909 km (0.086 R)
• M21: 21,803,590 km (0.103 R)
• M22: 25,158,622 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.2

Radius: 7.9

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.72 AU - 9.32 AU

Year: 13987 Days

Day: 19.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,663,666 km

• M1: 98,435 km (0.093 R)
• M2: 483,949 km (0.11 R)
• M3: 1,274,723 km (0.106 R)
• M4: 2,371,425 km (0.1 R)
• M5: 3,748,324 km (0.087 R)
• M6: 5,993,489 km (0.061 R)
• M7: 7,227,372 km (0.077 R)
• M8: 9,767,694 km (0.119 R)
• M9: 11,700,049 km (0.114 R)
• M10: 12,974,474 km (0.055 R)
• M11: 16,821,981 km (0.109 R)
• M12: 20,247,473 km (0.096 R)
• M13: 20,502,538 km (0.083 R)
• M14: 23,358,212 km (0.075 R)
• M15: 23,638,857 km (0.097 R)
• M16: 26,367,522 km (0.1 R)
• M17: 44,052,235 km (0.099 R)
• M18: 48,161,090 km (0.099 R)
• M19: 55,454,285 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.2

Radius: 5.8

Gravity: 25.93 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.57 AU - 12.49 AU

Year: 21545 Days

Day: 20.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,663,666 km

• M1: 88,113 km (0.118 R)
• M2: 304,731 km (0.03 R)
• M3: 908,957 km (0.058 R)
• M4: 2,480,931 km (0.106 R)
• M5: 2,702,037 km (0.102 R)
• M6: 6,533,388 km (0.108 R)
• M7: 7,298,431 km (0.093 R)
• M8: 7,651,333 km (0.058 R)
• M9: 9,177,530 km (0.096 R)
• M10: 11,762,432 km (0.074 R)
• M11: 15,116,566 km (0.038 R)
• M12: 18,312,126 km (0.05 R)
• M13: 27,540,220 km (0.057 R)
• M14: 31,064,147 km (0.088 R)
• M15: 31,458,787 km (0.106 R)
• M16: 44,406,931 km (0.113 R)
• M17: 46,603,626 km (0.116 R)
• M18: 55,149,255 km (0.11 R)
• M19: 59,890,161 km (0.069 R)
• M20: 63,407,955 km (0.098 R)
• M21: 68,605,284 km (0.119 R)
• M22: 69,274,286 km (0.049 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: 546 - 19,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit