🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.9

Radius: 12.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.63 AU - 0.85 AU

Year: 432 Days

Day: 13.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,864,235 km

• M1: 159,322 km (0.067 R)
• M2: 608,564 km (0.026 R)
• M3: 1,039,406 km (0.108 R)
• M4: 1,531,284 km (0.103 R)
• M5: 1,987,109 km (0.09 R)
• M6: 2,563,060 km (0.076 R)
• M7: 3,058,229 km (0.109 R)
• M8: 3,617,127 km (0.087 R)
• M9: 4,671,343 km (0.104 R)
• M10: 5,334,810 km (0.11 R)
• M11: 5,834,167 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.8

Radius: 8.8

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.93 AU - 1.23 AU

Year: 761 Days

Day: 12.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,864,235 km

• M1: 109,506 km (0.07 R)
• M2: 393,293 km (0.034 R)
• M3: 734,825 km (0.098 R)
• M4: 1,235,828 km (0.115 R)
• M5: 2,067,742 km (0.057 R)
• M6: 2,468,215 km (0.053 R)
• M7: 2,771,450 km (0.1 R)
• M8: 3,205,882 km (0.054 R)
• M9: 4,019,994 km (0.08 R)
• M10: 4,375,289 km (0.117 R)
• M11: 5,093,658 km (0.077 R)
• M12: 6,220,130 km (0.103 R)
• M13: 6,498,831 km (0.05 R)
• M14: 6,966,773 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.2

Radius: 12.6

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.05 AU - 1.47 AU

Year: 959 Days

Day: 7 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,864,235 km

• M1: 156,779 km (0.095 R)
• M2: 563,236 km (0.103 R)
• M3: 1,018,313 km (0.085 R)
• M4: 1,466,358 km (0.116 R)
• M5: 1,886,878 km (0.12 R)
• M6: 2,287,651 km (0.101 R)
• M7: 2,837,722 km (0.111 R)
• M8: 3,382,408 km (0.106 R)
• M9: 3,778,992 km (0.084 R)
• M10: 4,314,702 km (0.059 R)
• M11: 5,302,945 km (0.051 R)
• M12: 6,133,961 km (0.069 R)
• M13: 7,449,974 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.9

Radius: 8.3

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.15 AU - 1.61 AU

Year: 1100 Days

Day: 5 Hours

Environment

Temp: -186 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,864,235 km

• M1: 103,671 km (0.116 R)
• M2: 418,724 km (0.089 R)
• M3: 706,850 km (0.095 R)
• M4: 1,191,846 km (0.097 R)
• M5: 1,462,319 km (0.095 R)
• M6: 2,049,491 km (0.083 R)
• M7: 2,465,223 km (0.117 R)
• M8: 3,079,771 km (0.114 R)
• M9: 3,777,346 km (0.085 R)
• M10: 4,932,840 km (0.117 R)
• M11: 6,660,696 km (0.104 R)
• M12: 7,190,122 km (0.066 R)
• M13: 8,152,037 km (0.095 R)
• M14: 9,169,302 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.1

Radius: 9.8

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.22 AU - 1.98 AU

Year: 1373 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,864,235 km

• M1: 121,922 km (0.092 R)
• M2: 440,566 km (0.106 R)
• M3: 826,379 km (0.036 R)
• M4: 1,375,702 km (0.103 R)
• M5: 1,938,639 km (0.051 R)
• M6: 2,356,316 km (0.053 R)
• M7: 3,052,245 km (0.104 R)
• M8: 3,496,252 km (0.112 R)
• M9: 3,835,390 km (0.092 R)
• M10: 5,492,635 km (0.114 R)
• M11: 5,952,798 km (0.104 R)
• M12: 7,420,354 km (0.107 R)
• M13: 8,349,506 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.9

Radius: 11.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.38 AU - 3.02 AU

Year: 3009 Days

Day: 8 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,864,235 km

• M1: 144,362 km (0.061 R)
• M2: 583,132 km (0.078 R)
• M3: 1,370,316 km (0.091 R)
• M4: 1,889,870 km (0.089 R)
• M5: 2,467,766 km (0.038 R)
• M6: 2,884,696 km (0.115 R)
• M7: 3,710,626 km (0.117 R)
• M8: 4,492,424 km (0.113 R)
• M9: 5,166,063 km (0.112 R)
• M10: 6,658,751 km (0.074 R)
• M11: 7,146,440 km (0.118 R)
• M12: 8,033,555 km (0.046 R)
• M13: 8,620,129 km (0.113 R)
• M14: 9,340,293 km (0.06 R)
• M15: 9,733,286 km (0.097 R)
• M16: 11,377,217 km (0.078 R)
• M17: 11,784,572 km (0.037 R)
• M18: 13,065,878 km (0.116 R)
• M19: 13,877,895 km (0.115 R)
• M20: 15,012,595 km (0.113 R)
• M21: 16,208,181 km (0.113 R)
• M22: 17,305,482 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.7

Radius: 12.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.93 AU - 5.21 AU

Year: 6626 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,864,235 km

• M1: 165,006 km (0.061 R)
• M2: 685,906 km (0.055 R)
• M3: 1,284,747 km (0.043 R)
• M4: 1,914,853 km (0.089 R)
• M5: 2,579,516 km (0.08 R)
• M6: 4,117,831 km (0.087 R)
• M7: 4,638,132 km (0.112 R)
• M8: 6,332,777 km (0.115 R)
• M9: 8,368,206 km (0.093 R)
• M10: 8,992,029 km (0.104 R)
• M11: 13,407,709 km (0.113 R)
• M12: 15,336,475 km (0.072 R)
• M13: 19,306,802 km (0.096 R)
• M14: 20,471,272 km (0.119 R)
• M15: 21,146,706 km (0.116 R)
• M16: 21,914,442 km (0.108 R)
• M17: 25,002,442 km (0.063 R)
• M18: 25,860,984 km (0.067 R)
• M19: 32,938,908 km (0.077 R)
• M20: 35,451,255 km (0.094 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 17,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit