🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.4

Radius: 12.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.38 AU - 0.64 AU

Year: 251 Days

Day: 9.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,107,993 km

• M1: 150,495 km (0.117 R)
• M2: 651,200 km (0.112 R)
• M3: 1,055,712 km (0.074 R)
• M4: 1,552,078 km (0.103 R)
• M5: 1,981,424 km (0.116 R)
• M6: 2,370,977 km (0.11 R)
• M7: 2,838,769 km (0.081 R)
• M8: 3,510,464 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284

Radius: 9.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.66 AU - 0.9 AU

Year: 476 Days

Day: 9.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,107,993 km

• M1: 114,442 km (0.08 R)
• M2: 468,241 km (0.099 R)
• M3: 953,088 km (0.064 R)
• M4: 1,264,252 km (0.074 R)
• M5: 1,902,137 km (0.094 R)
• M6: 2,336,868 km (0.082 R)
• M7: 4,063,228 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.3

Radius: 12.2

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.8 AU - 1.08 AU

Year: 629 Days

Day: 14.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,107,993 km

• M1: 151,692 km (0.064 R)
• M2: 583,132 km (0.116 R)
• M3: 1,040,004 km (0.027 R)
• M4: 1,437,935 km (0.085 R)
• M5: 1,860,250 km (0.116 R)
• M6: 3,162,200 km (0.092 R)
• M7: 3,787,070 km (0.118 R)
• M8: 4,428,097 km (0.116 R)
• M9: 4,809,123 km (0.118 R)
• M10: 5,412,900 km (0.114 R)
• M11: 6,392,167 km (0.075 R)
• M12: 6,858,913 km (0.069 R)
• M13: 7,371,136 km (0.081 R)
• M14: 7,980,897 km (0.118 R)
• M15: 8,447,642 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.3

Radius: 8.6

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.15 AU - 1.39 AU

Year: 988 Days

Day: 12.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,107,993 km

• M1: 106,962 km (0.088 R)
• M2: 414,536 km (0.118 R)
• M3: 869,612 km (0.119 R)
• M4: 1,306,438 km (0.068 R)
• M5: 1,589,777 km (0.117 R)
• M6: 2,326,546 km (0.087 R)
• M7: 2,633,371 km (0.116 R)
• M8: 3,756,552 km (0.09 R)
• M9: 4,142,365 km (0.078 R)
• M10: 4,806,131 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.1

Radius: 12.9

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.03 AU - 3.79 AU

Year: 4347 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,107,993 km

• M1: 162,314 km (0.035 R)
• M2: 617,989 km (0.07 R)
• M3: 1,098,647 km (0.063 R)
• M4: 2,540,770 km (0.119 R)
• M5: 3,752,363 km (0.119 R)
• M6: 4,517,257 km (0.083 R)
• M7: 4,957,973 km (0.089 R)
• M8: 5,427,411 km (0.111 R)
• M9: 11,060,967 km (0.068 R)
• M10: 11,569,002 km (0.119 R)
• M11: 12,168,740 km (0.051 R)
• M12: 13,187,351 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.7

Radius: 8.5

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.2 AU - 5 AU

Year: 5730 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,107,993 km

• M1: 105,766 km (0.093 R)
• M2: 701,016 km (0.11 R)
• M3: 1,043,744 km (0.115 R)
• M4: 1,564,495 km (0.108 R)
• M5: 1,841,251 km (0.102 R)
• M6: 2,299,618 km (0.094 R)
• M7: 3,312,396 km (0.117 R)
• M8: 5,558,010 km (0.107 R)
• M9: 7,902,059 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356

Radius: 11.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.59 AU - 5.81 AU

Year: 7033 Days

Day: 11.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,107,993 km

• M1: 147,504 km (0.112 R)
• M2: 581,936 km (0.073 R)
• M3: 1,226,852 km (0.083 R)
• M4: 1,720,824 km (0.11 R)
• M5: 2,426,178 km (0.099 R)
• M6: 2,819,621 km (0.11 R)
• M7: 3,693,422 km (0.061 R)
• M8: 5,029,780 km (0.029 R)
• M9: 5,502,060 km (0.074 R)
• M10: 5,883,086 km (0.044 R)
• M11: 7,065,358 km (0.043 R)
• M12: 8,748,633 km (0.025 R)
• M13: 10,417,248 km (0.084 R)
• M14: 11,280,278 km (0.106 R)
• M15: 11,801,327 km (0.07 R)
• M16: 13,200,516 km (0.098 R)
• M17: 13,994,133 km (0.06 R)
• M18: 15,502,528 km (0.094 R)
• M19: 17,427,404 km (0.084 R)
• M20: 18,512,437 km (0.039 R)
• M21: 19,238,137 km (0.11 R)
• M22: 19,914,319 km (0.089 R)
• M23: 22,480,371 km (0.036 R)
• M24: 23,306,600 km (0.108 R)
• M25: 24,230,816 km (0.054 R)
• M26: 25,420,269 km (0.109 R)
• M27: 28,346,553 km (0.119 R)
• M28: 29,577,444 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.3

Radius: 7.4

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.09 AU - 9.43 AU

Year: 14921 Days

Day: 17.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 77.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,107,993 km

• M1: 97,987 km (0.1 R)
• M2: 394,938 km (0.081 R)
• M3: 1,807,142 km (0.114 R)
• M4: 2,788,504 km (0.072 R)
• M5: 3,418,461 km (0.115 R)
• M6: 4,550,468 km (0.118 R)
• M7: 4,868,812 km (0.084 R)
• M8: 7,690,976 km (0.119 R)
• M9: 9,655,047 km (0.086 R)
• M10: 12,820,388 km (0.119 R)
• M11: 13,812,521 km (0.053 R)
• M12: 14,667,323 km (0.114 R)
• M13: 20,707,038 km (0.079 R)
• M14: 21,501,852 km (0.096 R)
• M15: 23,067,842 km (0.076 R)
• M16: 24,708,332 km (0.105 R)
• M17: 39,382,537 km (0.044 R)

Asteroid Belt

Center: 8.28 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.6

Radius: 7.9

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.77 AU - 10.83 AU

Year: 18019 Days

Day: 23.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,107,993 km

• M1: 98,286 km (0.115 R)
• M2: 424,409 km (0.071 R)
• M3: 767,587 km (0.098 R)
• M4: 1,065,137 km (0.103 R)
• M5: 2,057,270 km (0.094 R)
• M6: 2,773,245 km (0.09 R)
• M7: 3,540,234 km (0.104 R)
• M8: 4,202,952 km (0.1 R)
• M9: 6,068,587 km (0.111 R)
• M10: 6,851,433 km (0.108 R)
• M11: 8,287,872 km (0.061 R)
• M12: 8,905,412 km (0.103 R)
• M13: 9,810,628 km (0.084 R)
• M14: 10,775,834 km (0.063 R)
• M15: 11,054,834 km (0.115 R)
• M16: 13,335,902 km (0.047 R)
• M17: 16,129,942 km (0.111 R)
• M18: 16,791,763 km (0.054 R)
• M19: 19,953,663 km (0.108 R)
• M20: 23,028,049 km (0.096 R)
• M21: 25,408,151 km (0.119 R)
• M22: 28,263,227 km (0.102 R)
• M23: 31,438,591 km (0.086 R)
• M24: 32,009,008 km (0.105 R)
• M25: 32,354,728 km (0.048 R)
• M26: 35,209,654 km (0.105 R)
• M27: 40,200,389 km (0.11 R)
• M28: 43,918,943 km (0.09 R)
• M29: 44,919,154 km (0.078 R)
• M30: 52,190,658 km (0.115 R)
• M31: 52,829,740 km (0.085 R)
• M32: 54,123,762 km (0.11 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 11,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit