🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.2

Radius: 14.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.48 AU - 0.6 AU

Year: 265 Days

Day: 7.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 37,405,095 km

• M1: 176,525 km (0.106 R)
• M2: 782,696 km (0.071 R)
• M3: 1,302,249 km (0.093 R)
• M4: 2,586,996 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.5

Radius: 12.5

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.02 AU - 1.08 AU

Year: 717 Days

Day: 5.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,405,095 km

• M1: 155,432 km (0.119 R)
• M2: 744,997 km (0.065 R)
• M3: 1,236,576 km (0.101 R)
• M4: 1,838,558 km (0.1 R)
• M5: 2,236,787 km (0.107 R)
• M6: 2,888,735 km (0.1 R)
• M7: 3,560,429 km (0.052 R)
• M8: 4,073,700 km (0.074 R)
• M9: 4,713,979 km (0.03 R)
• M10: 5,300,851 km (0.092 R)
• M11: 5,862,890 km (0.101 R)
• M12: 6,291,338 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.6

Radius: 13.5

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.47 AU - 2.01 AU

Year: 1531 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 37,405,095 km

• M1: 171,589 km (0.104 R)
• M2: 776,712 km (0.085 R)
• M3: 2,174,106 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.7

Radius: 11.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.91 AU - 2.45 AU

Year: 2146 Days

Day: 12.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 118.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,405,095 km

• M1: 143,016 km (0.093 R)
• M2: 613,950 km (0.088 R)
• M3: 1,151,305 km (0.041 R)
• M4: 1,635,853 km (0.094 R)
• M5: 2,567,847 km (0.085 R)
• M6: 3,129,737 km (0.104 R)
• M7: 3,488,922 km (0.106 R)
• M8: 4,254,414 km (0.094 R)
• M9: 4,717,270 km (0.082 R)
• M10: 5,698,931 km (0.091 R)
• M11: 6,335,769 km (0.087 R)
• M12: 7,366,050 km (0.101 R)
• M13: 7,723,888 km (0.079 R)
• M14: 9,724,011 km (0.028 R)
• M15: 11,128,286 km (0.102 R)
• M16: 11,935,367 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.4

Radius: 12.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.52 AU - 3.1 AU

Year: 3141 Days

Day: 6.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,405,095 km

• M1: 162,314 km (0.106 R)
• M2: 756,217 km (0.048 R)
• M3: 2,351,828 km (0.104 R)
• M4: 2,753,050 km (0.089 R)
• M5: 3,549,658 km (0.099 R)
• M6: 4,102,123 km (0.102 R)
• M7: 4,800,147 km (0.086 R)
• M8: 5,600,944 km (0.073 R)
• M9: 7,258,937 km (0.082 R)
• M10: 8,347,112 km (0.116 R)
• M11: 9,792,976 km (0.071 R)
• M12: 10,197,937 km (0.119 R)
• M13: 11,359,565 km (0.087 R)
• M14: 14,364,238 km (0.082 R)
• M15: 15,424,288 km (0.027 R)
• M16: 17,005,837 km (0.071 R)
• M17: 17,592,261 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.3

Radius: 12.2

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.13 AU - 5.11 AU

Year: 5577 Days

Day: 13.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 96.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,405,095 km

• M1: 151,842 km (0.085 R)
• M2: 543,489 km (0.038 R)
• M3: 1,004,400 km (0.028 R)
• M4: 1,409,810 km (0.102 R)
• M5: 2,014,784 km (0.085 R)
• M6: 3,099,967 km (0.115 R)
• M7: 4,058,740 km (0.055 R)
• M8: 4,620,929 km (0.104 R)
• M9: 7,116,221 km (0.074 R)
• M10: 7,706,684 km (0.051 R)
• M11: 9,587,578 km (0.09 R)
• M12: 11,260,082 km (0.09 R)
• M13: 12,478,258 km (0.076 R)
• M14: 13,838,701 km (0.113 R)
• M15: 15,598,869 km (0.032 R)
• M16: 16,660,266 km (0.101 R)
• M17: 20,498,499 km (0.053 R)
• M18: 21,316,201 km (0.071 R)
• M19: 22,232,936 km (0.115 R)
• M20: 25,225,492 km (0.105 R)
• M21: 26,164,518 km (0.051 R)
• M22: 27,841,361 km (0.087 R)
• M23: 30,441,521 km (0.097 R)
• M24: 32,997,102 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842

Radius: 10

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.41 AU - 4.45 AU

Year: 6218 Days

Day: 13.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,405,095 km

• M1: 125,513 km (0.101 R)
• M2: 445,502 km (0.061 R)
• M3: 942,766 km (0.089 R)
• M4: 1,323,193 km (0.093 R)
• M5: 1,952,103 km (0.102 R)
• M6: 3,476,505 km (0.118 R)
• M7: 4,170,489 km (0.102 R)
• M8: 5,737,677 km (0.084 R)
• M9: 6,293,134 km (0.112 R)
• M10: 6,812,687 km (0.101 R)
• M11: 9,535,368 km (0.068 R)
• M12: 13,243,301 km (0.075 R)
• M13: 14,039,311 km (0.107 R)
• M14: 17,477,968 km (0.084 R)
• M15: 22,141,981 km (0.042 R)
• M16: 23,262,618 km (0.076 R)
• M17: 24,002,829 km (0.117 R)
• M18: 27,574,628 km (0.106 R)
• M19: 28,125,596 km (0.071 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: 201 - 16,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit