🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.2

Radius: 8.4

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.76 AU - 1.14 AU

Year: 589 Days

Day: 14.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,569,726 km

• M1: 104,419 km (0.101 R)
• M2: 492,925 km (0.115 R)
• M3: 768,185 km (0.048 R)
• M4: 1,089,521 km (0.115 R)
• M5: 1,570,329 km (0.034 R)
• M6: 2,702,785 km (0.072 R)
• M7: 3,407,092 km (0.099 R)
• M8: 3,977,807 km (0.119 R)
• M9: 4,502,896 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469

Radius: 13.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.04 AU - 1.06 AU

Year: 684 Days

Day: 5.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,569,726 km

• M1: 171,589 km (0.025 R)
• M2: 750,981 km (0.084 R)
• M3: 1,198,129 km (0.117 R)
• M4: 1,631,365 km (0.094 R)
• M5: 2,144,934 km (0.083 R)
• M6: 2,810,046 km (0.1 R)
• M7: 3,356,378 km (0.097 R)
• M8: 4,603,276 km (0.067 R)
• M9: 5,453,590 km (0.12 R)
• M10: 5,898,345 km (0.06 R)
• M11: 6,882,100 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.4

Radius: 11

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.48 AU - 1.72 AU

Year: 1287 Days

Day: 5.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,569,726 km

• M1: 136,882 km (0.077 R)
• M2: 637,137 km (0.062 R)
• M3: 1,131,259 km (0.074 R)
• M4: 1,485,806 km (0.095 R)
• M5: 2,073,726 km (0.079 R)
• M6: 2,539,573 km (0.06 R)
• M7: 3,309,254 km (0.082 R)
• M8: 3,651,684 km (0.108 R)
• M9: 4,087,014 km (0.11 R)
• M10: 4,482,401 km (0.096 R)
• M11: 5,002,553 km (0.109 R)
• M12: 6,516,782 km (0.082 R)
• M13: 7,550,205 km (0.105 R)
• M14: 8,064,672 km (0.117 R)
• M15: 8,487,286 km (0.103 R)
• M16: 9,013,870 km (0.107 R)
• M17: 9,813,022 km (0.071 R)
• M18: 10,658,699 km (0.102 R)
• M19: 11,587,552 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.3

Radius: 13.8

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.93 AU - 3.05 AU

Year: 2498 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,569,726 km

• M1: 177,124 km (0.089 R)
• M2: 669,301 km (0.108 R)
• M3: 1,109,268 km (0.064 R)
• M4: 1,550,133 km (0.088 R)
• M5: 2,428,273 km (0.082 R)
• M6: 3,433,720 km (0.113 R)
• M7: 4,362,424 km (0.085 R)
• M8: 4,823,933 km (0.107 R)
• M9: 5,318,204 km (0.102 R)
• M10: 5,965,664 km (0.109 R)
• M11: 6,874,920 km (0.101 R)
• M12: 8,288,919 km (0.036 R)
• M13: 8,748,783 km (0.115 R)
• M14: 9,720,271 km (0.111 R)
• M15: 11,052,440 km (0.051 R)
• M16: 12,265,978 km (0.071 R)
• M17: 13,650,806 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.7

Radius: 10.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.28 AU - 3.32 AU

Year: 2979 Days

Day: 12.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,569,726 km

• M1: 202,256 km (0.117 R)
• M2: 726,597 km (0.036 R)
• M3: 1,470,697 km (0.105 R)
• M4: 3,284,122 km (0.087 R)
• M5: 7,441,148 km (0.11 R)
• M6: 9,628,568 km (0.06 R)
• M7: 11,232,107 km (0.077 R)
• M8: 11,602,960 km (0.081 R)
• M9: 12,330,305 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.1

Radius: 12.3

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.7 AU - 3.42 AU

Year: 3403 Days

Day: 11.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,569,726 km

• M1: 153,039 km (0.107 R)
• M2: 552,465 km (0.104 R)
• M3: 1,534,126 km (0.118 R)
• M4: 2,061,010 km (0.098 R)
• M5: 2,893,522 km (0.103 R)
• M6: 3,292,200 km (0.095 R)
• M7: 4,135,035 km (0.094 R)
• M8: 5,220,068 km (0.068 R)
• M9: 5,815,617 km (0.111 R)
• M10: 7,673,024 km (0.106 R)
• M11: 9,499,914 km (0.045 R)
• M12: 10,141,688 km (0.109 R)
• M13: 11,114,374 km (0.101 R)
• M14: 11,511,706 km (0.109 R)
• M15: 13,294,613 km (0.057 R)
• M16: 14,986,715 km (0.035 R)
• M17: 17,166,655 km (0.113 R)
• M18: 17,998,269 km (0.102 R)
• M19: 20,130,189 km (0.095 R)
• M20: 23,203,827 km (0.07 R)
• M21: 25,724,401 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.6

Radius: 13.5

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.48 AU - 4.66 AU

Year: 5221 Days

Day: 11.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,569,726 km

• M1: 169,494 km (0.114 R)
• M2: 666,459 km (0.097 R)
• M3: 1,789,191 km (0.047 R)
• M4: 2,358,710 km (0.037 R)
• M5: 3,230,117 km (0.031 R)
• M6: 4,306,474 km (0.058 R)
• M7: 4,859,388 km (0.114 R)
• M8: 5,283,049 km (0.093 R)
• M9: 6,012,787 km (0.061 R)
• M10: 7,196,555 km (0.107 R)
• M11: 8,016,800 km (0.055 R)
• M12: 8,940,118 km (0.119 R)
• M13: 9,932,999 km (0.112 R)
• M14: 10,760,425 km (0.109 R)
• M15: 13,630,760 km (0.068 R)
• M16: 15,970,769 km (0.109 R)
• M17: 17,628,463 km (0.092 R)
• M18: 21,134,439 km (0.054 R)
• M19: 23,367,935 km (0.097 R)
• M20: 24,092,139 km (0.056 R)
• M21: 28,119,313 km (0.091 R)
• M22: 29,215,417 km (0.111 R)
• M23: 31,105,137 km (0.107 R)
• M24: 31,981,482 km (0.1 R)
• M25: 33,783,837 km (0.107 R)
• M26: 34,296,209 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.8

Radius: 12.4

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.86 AU - 5.22 AU

Year: 7194 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 128.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,569,726 km

• M1: 154,235 km (0.1 R)
• M2: 693,685 km (0.11 R)
• M3: 1,490,743 km (0.035 R)
• M4: 1,921,435 km (0.061 R)
• M5: 3,951,329 km (0.07 R)
• M6: 4,755,268 km (0.076 R)
• M7: 5,402,578 km (0.114 R)
• M8: 6,107,931 km (0.078 R)
• M9: 6,619,257 km (0.037 R)
• M10: 7,255,946 km (0.063 R)
• M11: 8,089,056 km (0.098 R)
• M12: 8,789,623 km (0.086 R)
• M13: 10,281,263 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476

Radius: 6.9

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.65 AU - 10.37 AU

Year: 15784 Days

Day: 19.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,569,726 km

• M1: 86,019 km (0.115 R)
• M2: 330,163 km (0.091 R)
• M3: 552,465 km (0.116 R)
• M4: 841,189 km (0.082 R)
• M5: 1,882,091 km (0.106 R)
• M6: 2,592,382 km (0.11 R)
• M7: 3,365,503 km (0.07 R)
• M8: 4,435,577 km (0.094 R)
• M9: 4,816,303 km (0.091 R)
• M10: 5,428,159 km (0.112 R)
• M11: 6,847,095 km (0.09 R)
• M12: 7,098,569 km (0.108 R)
• M13: 9,287,036 km (0.036 R)
• M14: 12,499,351 km (0.102 R)
• M15: 17,448,198 km (0.109 R)
• M16: 19,295,582 km (0.111 R)
• M17: 20,829,409 km (0.117 R)
• M18: 22,534,675 km (0.077 R)
• M19: 23,185,725 km (0.101 R)
• M20: 32,473,659 km (0.059 R)
• M21: 33,184,697 km (0.084 R)
• M22: 36,132,374 km (0.109 R)
• M23: 41,425,446 km (0.108 R)
• M24: 45,276,394 km (0.086 R)
• M25: 46,761,153 km (0.12 R)
• M26: 51,891,163 km (0.104 R)
• M27: 52,213,546 km (0.072 R)
• M28: 57,211,910 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.5

Radius: 7.8

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.77 AU - 10.95 AU

Year: 19686 Days

Day: 18.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,569,726 km

• M1: 99,632 km (0.094 R)
• M2: 715,377 km (0.112 R)
• M3: 1,195,437 km (0.117 R)
• M4: 1,819,708 km (0.081 R)
• M5: 4,933,289 km (0.117 R)
• M6: 5,910,911 km (0.067 R)
• M7: 7,440,250 km (0.114 R)
• M8: 7,785,073 km (0.119 R)
• M9: 9,847,429 km (0.116 R)
• M10: 12,870,054 km (0.032 R)
• M11: 16,460,703 km (0.1 R)
• M12: 17,647,313 km (0.116 R)
• M13: 24,124,003 km (0.082 R)
• M14: 25,541,144 km (0.066 R)
• M15: 26,897,996 km (0.039 R)
• M16: 27,477,239 km (0.103 R)
• M17: 36,624,850 km (0.055 R)
• M18: 47,443,618 km (0.04 R)
• M19: 50,359,131 km (0.117 R)
• M20: 53,939,457 km (0.076 R)
• M21: 70,834,592 km (0.092 R)
• M22: 73,054,175 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 13,588 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit