🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.4

Radius: 13.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.56 AU - 0.6 AU

Year: 295 Days

Day: 8.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 27,385,979 km

• M1: 169,943 km (0.12 R)
• M2: 652,696 km (0.105 R)
• M3: 1,174,642 km (0.098 R)
• M4: 1,677,441 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.3

Radius: 13.2

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.59 AU - 0.63 AU

Year: 318 Days

Day: 7.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,385,979 km

• M1: 164,258 km (0.12 R)
• M2: 655,089 km (0.117 R)
• M3: 1,174,642 km (0.027 R)
• M4: 1,697,337 km (0.069 R)
• M5: 2,268,951 km (0.054 R)
• M6: 3,170,428 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110

Radius: 13.2

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.77 AU - 0.79 AU

Year: 459 Days

Day: 14.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,385,979 km

• M1: 164,258 km (0.098 R)
• M2: 678,576 km (0.07 R)
• M3: 1,194,539 km (0.065 R)
• M4: 1,884,335 km (0.12 R)
• M5: 2,314,877 km (0.1 R)
• M6: 2,753,199 km (0.101 R)
• M7: 3,275,595 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.6

Radius: 10.1

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.74 AU - 0.9 AU

Year: 495 Days

Day: 12.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,385,979 km

• M1: 125,662 km (0.049 R)
• M2: 440,865 km (0.099 R)
• M3: 756,217 km (0.047 R)
• M4: 1,136,944 km (0.072 R)
• M5: 1,507,647 km (0.076 R)
• M6: 1,863,840 km (0.104 R)
• M7: 2,258,329 km (0.101 R)
• M8: 2,896,514 km (0.057 R)
• M9: 3,701,051 km (0.05 R)
• M10: 5,282,750 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.3

Radius: 9.5

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.78 AU - 0.94 AU

Year: 532 Days

Day: 8.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,385,979 km

• M1: 118,182 km (0.111 R)
• M2: 528,529 km (0.103 R)
• M3: 831,016 km (0.096 R)
• M4: 1,198,129 km (0.118 R)
• M5: 1,681,330 km (0.045 R)
• M6: 2,156,154 km (0.115 R)
• M7: 2,534,786 km (0.096 R)
• M8: 3,453,467 km (0.066 R)
• M9: 3,804,872 km (0.062 R)
• M10: 4,453,977 km (0.076 R)
• M11: 5,038,606 km (0.047 R)
• M12: 5,972,396 km (0.106 R)
• M13: 7,275,094 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.8

Radius: 12

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.91 AU - 1.11 AU

Year: 677 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,385,979 km

• M1: 149,747 km (0.098 R)
• M2: 587,022 km (0.116 R)
• M3: 974,630 km (0.081 R)
• M4: 1,457,682 km (0.056 R)
• M5: 2,099,905 km (0.077 R)
• M6: 2,502,922 km (0.118 R)
• M7: 2,946,629 km (0.119 R)
• M8: 3,494,008 km (0.117 R)
• M9: 5,022,749 km (0.103 R)
• M10: 5,973,742 km (0.052 R)
• M11: 7,062,067 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.2

Radius: 10

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.15 AU - 1.45 AU

Year: 988 Days

Day: 11.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,385,979 km

• M1: 127,158 km (0.107 R)
• M2: 445,652 km (0.041 R)
• M3: 831,764 km (0.062 R)
• M4: 1,936,844 km (0.098 R)
• M5: 2,589,390 km (0.101 R)
• M6: 3,445,389 km (0.095 R)
• M7: 3,887,151 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428

Radius: 11

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.01 AU - 1.61 AU

Year: 1000 Days

Day: 8 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,385,979 km

• M1: 136,732 km (0.104 R)
• M2: 1,134,401 km (0.11 R)
• M3: 1,528,292 km (0.115 R)
• M4: 1,949,111 km (0.101 R)
• M5: 2,545,557 km (0.042 R)
• M6: 4,260,996 km (0.066 R)
• M7: 4,619,881 km (0.102 R)
• M8: 5,664,673 km (0.087 R)
• M9: 6,367,334 km (0.074 R)
• M10: 7,682,599 km (0.034 R)
• M11: 8,093,245 km (0.114 R)

Asteroid Belt

Center: 2.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.9

Radius: 10.2

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.71 AU - 4.47 AU

Year: 5516 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,385,979 km

• M1: 127,009 km (0.117 R)
• M2: 480,658 km (0.076 R)
• M3: 1,207,704 km (0.118 R)
• M4: 2,294,083 km (0.104 R)
• M5: 3,700,453 km (0.071 R)
• M6: 6,283,709 km (0.047 R)
• M7: 7,172,620 km (0.079 R)
• M8: 7,647,443 km (0.115 R)
• M9: 9,081,788 km (0.118 R)
• M10: 10,090,825 km (0.108 R)
• M11: 10,731,104 km (0.072 R)
• M12: 14,083,592 km (0.074 R)
• M13: 16,867,310 km (0.069 R)
• M14: 19,150,023 km (0.078 R)
• M15: 20,264,827 km (0.077 R)
• M16: 22,265,848 km (0.112 R)
• M17: 27,141,392 km (0.093 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 12,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit