🌌 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: 124.8

Radius: 14.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.61 AU - 0.93 AU

Year: 466 Days

Day: 7.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 27,192,626 km

• M1: 180,714 km (0.102 R)
• M2: 754,422 km (0.093 R)
• M3: 1,292,077 km (0.088 R)
• M4: 1,808,638 km (0.065 R)
• M5: 2,402,841 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880

Radius: 11.2

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.01 AU - 1.35 AU

Year: 885 Days

Day: 10.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 92.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,192,626 km

• M1: 139,276 km (0.119 R)
• M2: 580,739 km (0.078 R)
• M3: 1,809,835 km (0.082 R)
• M4: 2,203,726 km (0.105 R)
• M5: 2,583,705 km (0.088 R)
• M6: 3,933,227 km (0.075 R)
• M7: 7,024,218 km (0.029 R)
• M8: 7,456,855 km (0.096 R)
• M9: 8,725,745 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.6

Radius: 8.4

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.19 AU - 1.77 AU

Year: 1243 Days

Day: 5.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,192,626 km

• M1: 136,732 km (0.065 R)
• M2: 417,079 km (0.116 R)
• M3: 973,882 km (0.101 R)
• M4: 1,337,255 km (0.1 R)
• M5: 1,634,806 km (0.074 R)
• M6: 2,378,307 km (0.097 R)
• M7: 2,875,271 km (0.081 R)
• M8: 3,867,255 km (0.092 R)
• M9: 4,274,460 km (0.116 R)
• M10: 4,788,777 km (0.085 R)
• M11: 5,071,368 km (0.081 R)
• M12: 5,538,113 km (0.086 R)
• M13: 6,149,669 km (0.09 R)
• M14: 6,508,405 km (0.113 R)
• M15: 7,268,063 km (0.103 R)
• M16: 8,256,157 km (0.114 R)
• M17: 8,575,100 km (0.083 R)
• M18: 10,262,713 km (0.118 R)
• M19: 10,597,962 km (0.109 R)
• M20: 11,149,529 km (0.071 R)
• M21: 11,432,419 km (0.062 R)
• M22: 12,235,161 km (0.056 R)
• M23: 12,688,592 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.2

Radius: 13

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.59 AU - 2.37 AU

Year: 1923 Days

Day: 9.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,192,626 km

• M1: 163,510 km (0.046 R)
• M2: 731,683 km (0.116 R)
• M3: 1,345,483 km (0.112 R)
• M4: 2,524,165 km (0.083 R)
• M5: 3,261,982 km (0.113 R)
• M6: 3,979,752 km (0.107 R)
• M7: 5,252,082 km (0.054 R)
• M8: 10,727,963 km (0.025 R)
• M9: 11,721,143 km (0.119 R)
• M10: 13,525,143 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.6

Radius: 9.5

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.8 AU - 2.92 AU

Year: 2503 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,192,626 km

• M1: 118,182 km (0.089 R)
• M2: 595,549 km (0.05 R)
• M3: 1,088,025 km (0.066 R)
• M4: 1,461,571 km (0.097 R)
• M5: 3,096,526 km (0.119 R)
• M6: 3,743,088 km (0.092 R)
• M7: 4,222,250 km (0.094 R)
• M8: 5,376,847 km (0.035 R)
• M9: 5,856,906 km (0.111 R)
• M10: 6,787,405 km (0.095 R)
• M11: 7,288,109 km (0.116 R)
• M12: 8,264,534 km (0.088 R)
• M13: 8,974,077 km (0.109 R)
• M14: 9,469,246 km (0.085 R)
• M15: 9,797,165 km (0.092 R)
• M16: 10,246,108 km (0.112 R)
• M17: 12,920,768 km (0.078 R)
• M18: 13,736,675 km (0.119 R)
• M19: 14,975,495 km (0.08 R)
• M20: 15,371,181 km (0.105 R)
• M21: 16,080,574 km (0.054 R)
• M22: 17,509,982 km (0.082 R)
• M23: 19,080,012 km (0.119 R)
• M24: 19,604,053 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.8

Radius: 13.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.91 AU - 3.59 AU

Year: 4044 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,192,626 km

• M1: 164,558 km (0.063 R)
• M2: 585,975 km (0.079 R)
• M3: 1,228,199 km (0.088 R)
• M4: 1,852,022 km (0.101 R)
• M5: 2,474,648 km (0.098 R)
• M6: 3,063,914 km (0.043 R)
• M7: 4,637,684 km (0.098 R)
• M8: 6,358,957 km (0.116 R)
• M9: 6,871,030 km (0.118 R)
• M10: 7,288,109 km (0.101 R)
• M11: 7,978,204 km (0.062 R)
• M12: 11,142,199 km (0.03 R)
• M13: 12,058,935 km (0.101 R)
• M14: 12,712,378 km (0.112 R)
• M15: 14,815,276 km (0.104 R)
• M16: 15,565,210 km (0.088 R)
• M17: 17,413,491 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.3

Radius: 9.2

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.32 AU - 5.96 AU

Year: 8044 Days

Day: 14.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,192,626 km

• M1: 118,930 km (0.082 R)
• M2: 422,913 km (0.085 R)
• M3: 809,624 km (0.115 R)
• M4: 1,612,067 km (0.111 R)
• M5: 1,926,521 km (0.037 R)
• M6: 2,484,521 km (0.093 R)
• M7: 3,165,491 km (0.103 R)
• M8: 4,237,659 km (0.102 R)
• M9: 6,140,544 km (0.087 R)
• M10: 7,828,756 km (0.116 R)
• M11: 9,243,952 km (0.052 R)
• M12: 9,929,409 km (0.109 R)
• M13: 11,131,727 km (0.113 R)
• M14: 12,332,549 km (0.115 R)
• M15: 13,414,441 km (0.041 R)
• M16: 15,541,424 km (0.116 R)
• M17: 20,587,061 km (0.086 R)
• M18: 21,684,810 km (0.087 R)
• M19: 25,057,943 km (0.025 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 15,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit