🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.6

Radius: 9.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.68 AU - 0.84 AU

Year: 449 Days

Day: 14.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,774,422 km

• M1: 119,529 km (0.104 R)
• M2: 420,819 km (0.098 R)
• M3: 737,966 km (0.089 R)
• M4: 1,072,916 km (0.063 R)
• M5: 1,406,519 km (0.07 R)
• M6: 2,454,452 km (0.12 R)
• M7: 2,761,277 km (0.12 R)
• M8: 3,093,834 km (0.077 R)
• M9: 3,794,999 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867

Radius: 11.2

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.02 AU - 1.36 AU

Year: 880 Days

Day: 8.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,774,422 km

• M1: 139,276 km (0.087 R)
• M2: 519,853 km (0.103 R)
• M3: 944,112 km (0.103 R)
• M4: 1,315,713 km (0.058 R)
• M5: 1,733,241 km (0.096 R)
• M6: 2,104,094 km (0.096 R)
• M7: 2,575,178 km (0.102 R)
• M8: 3,211,118 km (0.097 R)
• M9: 3,762,237 km (0.039 R)
• M10: 4,174,977 km (0.078 R)
• M11: 4,832,909 km (0.072 R)
• M12: 5,781,958 km (0.078 R)
• M13: 6,555,229 km (0.084 R)
• M14: 7,717,006 km (0.09 R)
• M15: 8,176,720 km (0.12 R)
• M16: 8,983,502 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.2

Radius: 12.7

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.17 AU - 1.29 AU

Year: 925 Days

Day: 10 Hours

Environment

Temp: -182 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,774,422 km

• M1: 160,967 km (0.111 R)
• M2: 594,502 km (0.074 R)
• M3: 1,010,683 km (0.118 R)
• M4: 1,734,587 km (0.086 R)
• M5: 2,176,051 km (0.098 R)
• M6: 2,840,415 km (0.104 R)
• M7: 3,421,453 km (0.096 R)
• M8: 3,933,676 km (0.026 R)
• M9: 5,488,147 km (0.106 R)
• M10: 6,333,375 km (0.034 R)
• M11: 7,219,294 km (0.088 R)
• M12: 7,623,507 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.9

Radius: 9.7

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.3 AU - 1.56 AU

Year: 1160 Days

Day: 5.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,774,422 km

• M1: 120,725 km (0.1 R)
• M2: 661,821 km (0.076 R)
• M3: 1,214,585 km (0.12 R)
• M4: 2,283,013 km (0.094 R)
• M5: 3,006,319 km (0.094 R)
• M6: 3,406,194 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51

Radius: 12.7

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.28 AU - 1.98 AU

Year: 1411 Days

Day: 13.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,774,422 km

• M1: 157,975 km (0.11 R)
• M2: 1,209,798 km (0.092 R)
• M3: 3,304,318 km (0.107 R)
• M4: 3,800,235 km (0.058 R)
• M5: 5,450,598 km (0.031 R)

Asteroid Belt

Center: 2.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.1

Radius: 14.2

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.13 AU - 2.69 AU

Year: 2538 Days

Day: 6.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,774,422 km

• M1: 178,470 km (0.067 R)
• M2: 643,420 km (0.036 R)
• M3: 1,174,194 km (0.085 R)
• M4: 1,958,835 km (0.116 R)
• M5: 2,742,877 km (0.07 R)
• M6: 4,982,955 km (0.067 R)
• M7: 6,742,675 km (0.104 R)
• M8: 7,704,889 km (0.118 R)
• M9: 8,469,334 km (0.105 R)
• M10: 9,116,943 km (0.055 R)
• M11: 11,145,640 km (0.061 R)
• M12: 12,205,241 km (0.111 R)
• M13: 15,406,786 km (0.108 R)
• M14: 17,074,054 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.7

Radius: 9.5

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.32 AU - 2.7 AU

Year: 2697 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,774,422 km

• M1: 118,182 km (0.034 R)
• M2: 414,685 km (0.048 R)
• M3: 849,267 km (0.108 R)
• M4: 1,184,516 km (0.077 R)
• M5: 1,512,883 km (0.059 R)
• M6: 1,958,685 km (0.107 R)
• M7: 2,886,641 km (0.076 R)
• M8: 3,424,146 km (0.098 R)
• M9: 3,971,225 km (0.038 R)
• M10: 4,514,415 km (0.107 R)
• M11: 5,307,433 km (0.073 R)
• M12: 5,893,857 km (0.07 R)
• M13: 7,280,031 km (0.098 R)
• M14: 7,679,906 km (0.063 R)
• M15: 8,492,671 km (0.076 R)
• M16: 10,077,661 km (0.12 R)
• M17: 11,389,484 km (0.075 R)
• M18: 12,365,162 km (0.027 R)
• M19: 13,780,058 km (0.1 R)
• M20: 14,841,904 km (0.049 R)
• M21: 15,909,734 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287

Radius: 13.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.27 AU - 4.57 AU

Year: 5264 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,774,422 km

• M1: 173,833 km (0.05 R)
• M2: 710,141 km (0.046 R)
• M3: 1,796,072 km (0.102 R)
• M4: 2,373,669 km (0.095 R)
• M5: 2,870,334 km (0.065 R)
• M6: 4,034,505 km (0.12 R)
• M7: 4,539,547 km (0.072 R)
• M8: 5,338,250 km (0.065 R)
• M9: 7,343,011 km (0.106 R)
• M10: 10,769,252 km (0.11 R)
• M11: 13,158,629 km (0.086 R)
• M12: 14,578,612 km (0.085 R)
• M13: 20,580,179 km (0.081 R)
• M14: 21,619,735 km (0.066 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.7

Radius: 14.4

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.04 AU - 5.24 AU

Year: 6779 Days

Day: 13.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,774,422 km

• M1: 179,218 km (0.092 R)
• M2: 672,143 km (0.062 R)
• M3: 1,336,208 km (0.109 R)
• M4: 1,901,987 km (0.109 R)
• M5: 2,425,580 km (0.107 R)
• M6: 3,746,529 km (0.081 R)
• M7: 5,441,174 km (0.119 R)
• M8: 6,875,518 km (0.03 R)
• M9: 8,128,101 km (0.101 R)
• M10: 8,940,866 km (0.112 R)
• M11: 9,807,337 km (0.096 R)
• M12: 10,779,275 km (0.114 R)
• M13: 11,237,044 km (0.113 R)
• M14: 12,577,740 km (0.108 R)
• M15: 14,203,121 km (0.102 R)
• M16: 15,964,636 km (0.069 R)
• M17: 17,102,926 km (0.111 R)
• M18: 17,657,037 km (0.104 R)
• M19: 18,151,607 km (0.068 R)
• M20: 19,541,072 km (0.107 R)
• M21: 21,396,086 km (0.115 R)
• M22: 23,620,606 km (0.105 R)
• M23: 24,657,170 km (0.106 R)
• M24: 29,502,495 km (0.096 R)
• M25: 31,731,204 km (0.093 R)
• M26: 32,993,212 km (0.066 R)
• M27: 38,850,866 km (0.094 R)
• M28: 40,294,934 km (0.12 R)
• M29: 41,774,457 km (0.117 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: 452 - 12,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit