🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.5

Radius: 13.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.74 AU - 0.8 AU

Year: 458 Days

Day: 9.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,712,699 km

• M1: 165,455 km (0.071 R)
• M2: 638,185 km (0.071 R)
• M3: 1,101,938 km (0.063 R)
• M4: 1,624,334 km (0.11 R)
• M5: 2,133,116 km (0.046 R)
• M6: 2,962,187 km (0.099 R)
• M7: 3,627,449 km (0.079 R)
• M8: 4,222,250 km (0.095 R)
• M9: 4,713,829 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.1

Radius: 14

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.87 AU - 1.15 AU

Year: 688 Days

Day: 14.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,712,699 km

• M1: 178,021 km (0.105 R)
• M2: 635,791 km (0.104 R)
• M3: 1,161,179 km (0.087 R)
• M4: 1,638,097 km (0.077 R)
• M5: 2,094,819 km (0.064 R)
• M6: 2,680,046 km (0.057 R)
• M7: 3,139,162 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.3

Radius: 13.5

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.71 AU - 2.75 AU

Year: 2259 Days

Day: 9.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,712,699 km

• M1: 167,849 km (0.109 R)
• M2: 651,798 km (0.074 R)
• M3: 2,338,514 km (0.102 R)
• M4: 3,605,458 km (0.047 R)
• M5: 4,378,430 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.2

Radius: 9.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.73 AU - 3.25 AU

Year: 3507 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,712,699 km

• M1: 116,986 km (0.107 R)
• M2: 419,024 km (0.108 R)
• M3: 896,091 km (0.104 R)
• M4: 1,439,880 km (0.065 R)
• M5: 2,027,500 km (0.071 R)
• M6: 2,697,399 km (0.105 R)
• M7: 3,216,055 km (0.111 R)
• M8: 3,729,774 km (0.083 R)
• M9: 4,278,050 km (0.111 R)
• M10: 4,942,414 km (0.092 R)
• M11: 5,558,758 km (0.077 R)
• M12: 8,066,168 km (0.115 R)
• M13: 8,364,615 km (0.102 R)
• M14: 9,272,076 km (0.039 R)
• M15: 10,772,393 km (0.119 R)
• M16: 12,786,878 km (0.069 R)
• M17: 13,861,589 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.2

Radius: 13

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.61 AU - 3.49 AU

Year: 3613 Days

Day: 6.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,712,699 km

• M1: 161,715 km (0.053 R)
• M2: 852,558 km (0.076 R)
• M3: 1,331,571 km (0.093 R)
• M4: 1,900,641 km (0.101 R)
• M5: 2,899,656 km (0.034 R)
• M6: 3,399,163 km (0.102 R)
• M7: 3,977,807 km (0.09 R)
• M8: 4,383,816 km (0.087 R)
• M9: 5,254,027 km (0.115 R)
• M10: 7,404,047 km (0.109 R)
• M11: 8,200,357 km (0.109 R)
• M12: 8,749,979 km (0.093 R)
• M13: 9,363,181 km (0.093 R)
• M14: 10,004,806 km (0.09 R)
• M15: 12,014,654 km (0.098 R)
• M16: 13,412,347 km (0.105 R)
• M17: 14,073,120 km (0.104 R)
• M18: 14,969,810 km (0.082 R)
• M19: 16,243,187 km (0.117 R)
• M20: 16,702,602 km (0.081 R)
• M21: 18,133,207 km (0.117 R)
• M22: 19,386,687 km (0.083 R)
• M23: 25,134,836 km (0.119 R)
• M24: 25,595,448 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.7

Radius: 10.6

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.54 AU - 4.22 AU

Year: 4215 Days

Day: 11.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,712,699 km

• M1: 132,394 km (0.099 R)
• M2: 497,114 km (0.119 R)
• M3: 827,426 km (0.096 R)
• M4: 1,187,358 km (0.075 R)
• M5: 3,299,979 km (0.079 R)
• M6: 4,890,055 km (0.067 R)
• M7: 5,640,139 km (0.095 R)
• M8: 6,013,535 km (0.041 R)
• M9: 6,939,097 km (0.112 R)
• M10: 7,402,252 km (0.088 R)
• M11: 7,815,741 km (0.051 R)
• M12: 8,390,795 km (0.074 R)
• M13: 10,715,546 km (0.073 R)
• M14: 11,700,199 km (0.106 R)
• M15: 12,989,733 km (0.077 R)
• M16: 14,584,446 km (0.113 R)
• M17: 15,125,691 km (0.072 R)
• M18: 16,479,402 km (0.071 R)
• M19: 18,976,340 km (0.067 R)
• M20: 20,148,440 km (0.113 R)
• M21: 21,995,973 km (0.115 R)
• M22: 23,879,411 km (0.096 R)
• M23: 24,707,734 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.8

Radius: 13.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.58 AU - 4.94 AU

Year: 5964 Days

Day: 9.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,712,699 km

• M1: 171,589 km (0.104 R)
• M2: 664,514 km (0.086 R)
• M3: 1,111,213 km (0.105 R)
• M4: 1,875,209 km (0.109 R)
• M5: 3,142,602 km (0.039 R)
• M6: 3,703,594 km (0.101 R)
• M7: 7,688,732 km (0.119 R)
• M8: 9,615,553 km (0.088 R)
• M9: 10,353,968 km (0.094 R)
• M10: 11,176,756 km (0.033 R)
• M11: 12,091,996 km (0.102 R)
• M12: 12,952,782 km (0.115 R)
• M13: 14,017,470 km (0.111 R)
• M14: 14,627,381 km (0.081 R)
• M15: 16,503,039 km (0.08 R)
• M16: 17,818,154 km (0.08 R)
• M17: 18,337,109 km (0.086 R)
• M18: 19,610,186 km (0.094 R)
• M19: 20,656,324 km (0.085 R)
• M20: 22,482,166 km (0.065 R)
• M21: 24,175,913 km (0.084 R)
• M22: 27,385,237 km (0.083 R)
• M23: 29,136,728 km (0.086 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 14,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit