🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.6

Radius: 14.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.68 AU - 0.72 AU

Year: 397 Days

Day: 8.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,142,036 km

• M1: 179,069 km (0.079 R)
• M2: 853,605 km (0.108 R)
• M3: 1,422,975 km (0.101 R)
• M4: 1,873,863 km (0.109 R)
• M5: 2,430,816 km (0.117 R)
• M6: 3,107,746 km (0.099 R)
• M7: 3,760,292 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.4

Radius: 10.7

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.67 AU - 1.03 AU

Year: 532 Days

Day: 7.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,142,036 km

• M1: 133,142 km (0.063 R)
• M2: 475,123 km (0.069 R)
• M3: 821,592 km (0.114 R)
• M4: 1,274,873 km (0.076 R)
• M5: 1,875,957 km (0.083 R)
• M6: 2,858,516 km (0.114 R)
• M7: 3,879,522 km (0.09 R)
• M8: 5,009,285 km (0.1 R)
• M9: 5,442,819 km (0.081 R)
• M10: 5,920,186 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.1

Radius: 10.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.29 AU - 1.73 AU

Year: 1259 Days

Day: 12.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,142,036 km

• M1: 125,662 km (0.081 R)
• M2: 490,382 km (0.032 R)
• M3: 967,150 km (0.083 R)
• M4: 1,299,706 km (0.071 R)
• M5: 1,709,904 km (0.107 R)
• M6: 2,245,165 km (0.119 R)
• M7: 4,431,987 km (0.036 R)
• M8: 5,445,662 km (0.068 R)
• M9: 6,524,562 km (0.042 R)
• M10: 7,671,828 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.4

Radius: 12.6

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.46 AU - 3.54 AU

Year: 3524 Days

Day: 6.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,142,036 km

• M1: 156,779 km (0.106 R)
• M2: 1,034,170 km (0.093 R)
• M3: 1,716,935 km (0.091 R)
• M4: 3,040,726 km (0.032 R)
• M5: 4,421,215 km (0.09 R)
• M6: 4,886,315 km (0.08 R)
• M7: 6,834,528 km (0.096 R)
• M8: 7,626,799 km (0.087 R)
• M9: 8,171,335 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.8

Radius: 15

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.67 AU - 3.87 AU

Year: 4011 Days

Day: 10.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,142,036 km

• M1: 186,698 km (0.068 R)
• M2: 764,445 km (0.091 R)
• M3: 1,488,798 km (0.067 R)
• M4: 2,361,552 km (0.104 R)
• M5: 3,701,051 km (0.101 R)
• M6: 5,948,311 km (0.063 R)
• M7: 7,202,539 km (0.117 R)
• M8: 8,206,191 km (0.112 R)
• M9: 9,027,334 km (0.061 R)
• M10: 11,183,189 km (0.11 R)
• M11: 11,863,560 km (0.082 R)
• M12: 12,785,083 km (0.105 R)
• M13: 13,395,891 km (0.116 R)
• M14: 14,256,228 km (0.094 R)
• M15: 18,016,072 km (0.106 R)

Asteroid Belt

Center: 4.87 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.8

Radius: 5.5

Gravity: 17.98 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.42 AU - 6.52 AU

Year: 11162 Days

Day: 24.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,142,036 km

• M1: 68,516 km (0.092 R)
• M2: 411,245 km (0.119 R)
• M3: 583,132 km (0.072 R)
• M4: 1,017,565 km (0.052 R)
• M5: 1,959,433 km (0.109 R)
• M6: 2,183,979 km (0.069 R)
• M7: 2,963,085 km (0.066 R)
• M8: 3,677,864 km (0.063 R)
• M9: 4,832,460 km (0.114 R)
• M10: 5,115,050 km (0.083 R)
• M11: 5,576,709 km (0.089 R)
• M12: 5,782,706 km (0.097 R)
• M13: 7,249,064 km (0.095 R)
• M14: 7,577,880 km (0.116 R)
• M15: 8,221,151 km (0.026 R)
• M16: 10,734,096 km (0.064 R)
• M17: 11,544,617 km (0.088 R)
• M18: 12,279,292 km (0.046 R)
• M19: 12,511,468 km (0.044 R)
• M20: 16,566,618 km (0.059 R)
• M21: 18,773,486 km (0.1 R)
• M22: 19,471,958 km (0.07 R)
• M23: 20,838,235 km (0.093 R)
• M24: 22,181,475 km (0.066 R)
• M25: 23,314,529 km (0.098 R)
• M26: 25,039,093 km (0.086 R)
• M27: 28,233,457 km (0.07 R)
• M28: 29,771,323 km (0.093 R)
• M29: 37,812,657 km (0.117 R)
• M30: 41,605,412 km (0.073 R)
• M31: 45,644,255 km (0.096 R)
• M32: 47,330,223 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.4

Radius: 4.2

Gravity: 16.86 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.17 AU - 8.13 AU

Year: 11631 Days

Day: 21.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,142,036 km

• M1: 52,210 km (0.043 R)
• M2: 201,508 km (0.06 R)
• M3: 397,631 km (0.097 R)
• M4: 592,707 km (0.057 R)
• M5: 1,246,599 km (0.082 R)
• M6: 1,506,002 km (0.116 R)
• M7: 2,541,817 km (0.109 R)
• M8: 2,695,754 km (0.056 R)
• M9: 2,855,823 km (0.099 R)
• M10: 3,217,401 km (0.077 R)
• M11: 4,082,975 km (0.077 R)
• M12: 5,033,520 km (0.071 R)
• M13: 5,338,998 km (0.105 R)
• M14: 7,515,797 km (0.032 R)
• M15: 8,202,451 km (0.103 R)
• M16: 8,454,374 km (0.11 R)
• M17: 8,842,132 km (0.102 R)
• M18: 9,934,047 km (0.05 R)
• M19: 14,583,399 km (0.068 R)
• M20: 15,647,788 km (0.055 R)
• M21: 20,195,713 km (0.113 R)
• M22: 20,501,341 km (0.113 R)
• M23: 23,898,559 km (0.076 R)
• M24: 24,326,409 km (0.081 R)
• M25: 27,279,321 km (0.089 R)
• M26: 27,559,069 km (0.115 R)
• M27: 27,840,613 km (0.055 R)
• M28: 29,180,411 km (0.044 R)
• M29: 36,302,616 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 18,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit