🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.2

Radius: 9.5

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.72 AU - 1 AU

Year: 515 Days

Day: 12.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,828,104 km

• M1: 118,182 km (0.053 R)
• M2: 449,093 km (0.103 R)
• M3: 770,878 km (0.043 R)
• M4: 1,108,969 km (0.118 R)
• M5: 1,730,698 km (0.094 R)
• M6: 2,046,948 km (0.1 R)
• M7: 2,450,563 km (0.11 R)
• M8: 2,830,541 km (0.047 R)
• M9: 3,179,104 km (0.076 R)
• M10: 4,128,901 km (0.098 R)
• M11: 5,093,807 km (0.082 R)
• M12: 5,946,964 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.2

Radius: 10.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.9 AU - 1.4 AU

Year: 796 Days

Day: 11.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,828,104 km

• M1: 135,685 km (0.087 R)
• M2: 486,492 km (0.065 R)
• M3: 1,022,202 km (0.109 R)
• M4: 1,597,705 km (0.104 R)
• M5: 2,034,531 km (0.08 R)
• M6: 2,696,053 km (0.055 R)
• M7: 3,102,809 km (0.069 R)
• M8: 3,454,813 km (0.097 R)
• M9: 4,132,192 km (0.084 R)
• M10: 4,592,954 km (0.115 R)
• M11: 5,320,897 km (0.057 R)
• M12: 5,886,826 km (0.107 R)
• M13: 7,364,105 km (0.053 R)
• M14: 7,923,601 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.7

Radius: 14.4

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.5 AU - 2.02 AU

Year: 1508 Days

Day: 10.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,828,104 km

• M1: 179,069 km (0.118 R)
• M2: 879,785 km (0.072 R)
• M3: 1,660,836 km (0.108 R)
• M4: 2,532,094 km (0.11 R)
• M5: 3,223,685 km (0.097 R)
• M6: 3,958,210 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.2

Radius: 12.1

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.66 AU - 4.12 AU

Year: 4030 Days

Day: 13.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,828,104 km

• M1: 169,345 km (0.118 R)
• M2: 570,117 km (0.116 R)
• M3: 1,932,206 km (0.114 R)
• M4: 2,863,602 km (0.104 R)
• M5: 4,017,002 km (0.039 R)
• M6: 4,857,892 km (0.039 R)
• M7: 6,627,634 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.3

Radius: 9.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.41 AU - 3.47 AU

Year: 4120 Days

Day: 7.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,828,104 km

• M1: 124,765 km (0.035 R)
• M2: 458,667 km (0.102 R)
• M3: 769,382 km (0.06 R)
• M4: 1,391,410 km (0.052 R)
• M5: 1,908,570 km (0.119 R)
• M6: 2,218,686 km (0.086 R)
• M7: 2,562,761 km (0.059 R)
• M8: 3,750,718 km (0.053 R)
• M9: 6,275,481 km (0.088 R)
• M10: 6,920,397 km (0.079 R)
• M11: 8,712,281 km (0.086 R)
• M12: 9,793,574 km (0.075 R)
• M13: 10,173,104 km (0.067 R)
• M14: 12,040,385 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.6

Radius: 15

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.36 AU - 3.84 AU

Year: 4410 Days

Day: 8.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,828,104 km

• M1: 186,549 km (0.095 R)
• M2: 694,733 km (0.104 R)
• M3: 1,424,770 km (0.08 R)
• M4: 2,004,611 km (0.037 R)
• M5: 4,621,677 km (0.116 R)
• M6: 6,293,283 km (0.109 R)
• M7: 7,283,472 km (0.085 R)
• M8: 7,953,670 km (0.059 R)
• M9: 8,483,097 km (0.086 R)
• M10: 10,255,383 km (0.107 R)
• M11: 13,608,021 km (0.119 R)
• M12: 14,995,391 km (0.07 R)
• M13: 15,478,293 km (0.106 R)
• M14: 16,645,605 km (0.056 R)
• M15: 19,470,013 km (0.089 R)
• M16: 21,771,277 km (0.109 R)
• M17: 24,322,071 km (0.113 R)
• M18: 24,989,576 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560

Radius: 10.5

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.75 AU - 6.57 AU

Year: 8694 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,828,104 km

• M1: 132,693 km (0.091 R)
• M2: 575,802 km (0.115 R)
• M3: 2,192,058 km (0.106 R)
• M4: 3,434,468 km (0.053 R)
• M5: 5,248,342 km (0.118 R)
• M6: 5,592,866 km (0.082 R)
• M7: 10,114,312 km (0.115 R)
• M8: 10,849,286 km (0.083 R)
• M9: 11,307,205 km (0.068 R)
• M10: 15,962,542 km (0.103 R)
• M11: 16,356,134 km (0.032 R)
• M12: 17,437,577 km (0.059 R)
• M13: 21,678,975 km (0.112 R)
• M14: 23,654,116 km (0.112 R)
• M15: 37,504,336 km (0.112 R)
• M16: 39,499,822 km (0.03 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: 402 - 19,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit