🌌 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: 988.5

Radius: 13.2

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.6 AU - 0.8 AU

Year: 378 Days

Day: 14.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,396,945 km

• M1: 164,109 km (0.08 R)
• M2: 808,576 km (0.116 R)
• M3: 1,240,914 km (0.052 R)
• M4: 1,795,025 km (0.117 R)
• M5: 2,209,710 km (0.108 R)
• M6: 2,854,178 km (0.088 R)
• M7: 3,486,528 km (0.083 R)
• M8: 4,252,469 km (0.086 R)
• M9: 5,080,643 km (0.096 R)
• M10: 5,533,775 km (0.089 R)
• M11: 5,978,679 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.8

Radius: 13.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.07 AU - 1.65 AU

Year: 1024 Days

Day: 8.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,396,945 km

• M1: 172,636 km (0.077 R)
• M2: 684,111 km (0.071 R)
• M3: 1,268,740 km (0.025 R)
• M4: 2,369,181 km (0.077 R)
• M5: 3,284,720 km (0.069 R)
• M6: 3,860,373 km (0.111 R)
• M7: 5,216,179 km (0.031 R)
• M8: 5,927,068 km (0.06 R)
• M9: 7,146,589 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.3

Radius: 13.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.91 AU - 2.11 AU

Year: 1840 Days

Day: 11.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,396,945 km

• M1: 162,912 km (0.083 R)
• M2: 714,479 km (0.068 R)
• M3: 1,143,526 km (0.087 R)
• M4: 1,771,089 km (0.079 R)
• M5: 2,268,652 km (0.056 R)
• M6: 2,778,481 km (0.044 R)
• M7: 3,318,978 km (0.109 R)
• M8: 4,032,411 km (0.063 R)
• M9: 4,984,900 km (0.107 R)
• M10: 5,439,977 km (0.064 R)
• M11: 5,945,319 km (0.106 R)
• M12: 7,050,996 km (0.101 R)
• M13: 9,324,734 km (0.054 R)
• M14: 11,581,119 km (0.086 R)
• M15: 12,346,163 km (0.089 R)
• M16: 12,836,395 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.6

Radius: 11.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.19 AU - 2.33 AU

Year: 2194 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,396,945 km

• M1: 140,472 km (0.032 R)
• M2: 623,225 km (0.108 R)
• M3: 1,021,903 km (0.116 R)
• M4: 1,540,110 km (0.117 R)
• M5: 1,925,325 km (0.077 R)
• M6: 2,553,785 km (0.118 R)
• M7: 3,555,941 km (0.054 R)
• M8: 4,258,154 km (0.115 R)
• M9: 4,884,520 km (0.045 R)
• M10: 5,328,377 km (0.095 R)
• M11: 5,845,238 km (0.074 R)
• M12: 6,824,056 km (0.026 R)
• M13: 8,795,308 km (0.099 R)
• M14: 9,199,371 km (0.063 R)
• M15: 9,583,539 km (0.105 R)
• M16: 10,383,887 km (0.104 R)
• M17: 11,300,773 km (0.049 R)
• M18: 14,290,785 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.7

Radius: 9.3

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.25 AU - 3.59 AU

Year: 3222 Days

Day: 11.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,396,945 km

• M1: 117,883 km (0.099 R)
• M2: 542,292 km (0.102 R)
• M3: 891,903 km (0.064 R)
• M4: 1,218,026 km (0.066 R)
• M5: 1,578,258 km (0.082 R)
• M6: 1,998,777 km (0.05 R)
• M7: 2,442,484 km (0.118 R)
• M8: 2,950,968 km (0.116 R)
• M9: 3,577,184 km (0.099 R)
• M10: 4,216,117 km (0.086 R)
• M11: 4,990,435 km (0.052 R)
• M12: 5,304,142 km (0.082 R)
• M13: 6,301,362 km (0.114 R)
• M14: 8,224,592 km (0.053 R)
• M15: 10,075,267 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.2

Radius: 12

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.99 AU - 4.03 AU

Year: 4246 Days

Day: 11.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,396,945 km

• M1: 156,479 km (0.114 R)
• M2: 837,449 km (0.057 R)
• M3: 1,418,786 km (0.117 R)
• M4: 1,902,735 km (0.043 R)
• M5: 2,784,166 km (0.105 R)
• M6: 3,171,475 km (0.04 R)
• M7: 3,744,435 km (0.094 R)
• M8: 4,171,836 km (0.112 R)
• M9: 4,581,884 km (0.119 R)
• M10: 7,851,943 km (0.106 R)
• M11: 8,904,364 km (0.03 R)
• M12: 9,546,738 km (0.06 R)
• M13: 13,181,517 km (0.069 R)
• M14: 15,109,385 km (0.091 R)
• M15: 17,218,416 km (0.11 R)
• M16: 18,343,541 km (0.104 R)
• M17: 19,516,987 km (0.058 R)
• M18: 21,228,985 km (0.103 R)
• M19: 22,303,098 km (0.102 R)
• M20: 22,964,769 km (0.119 R)
• M21: 23,715,152 km (0.07 R)
• M22: 24,404,499 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906

Radius: 13.2

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.95 AU - 4.41 AU

Year: 5518 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,396,945 km

• M1: 164,258 km (0.091 R)
• M2: 1,396,047 km (0.047 R)
• M3: 2,190,412 km (0.117 R)
• M4: 3,124,651 km (0.061 R)
• M5: 3,593,640 km (0.07 R)
• M6: 4,158,821 km (0.119 R)
• M7: 5,742,913 km (0.083 R)
• M8: 11,538,334 km (0.103 R)
• M9: 14,441,281 km (0.081 R)
• M10: 19,167,078 km (0.12 R)
• M11: 20,019,935 km (0.111 R)
• M12: 22,652,409 km (0.112 R)
• M13: 28,049,302 km (0.112 R)
• M14: 29,991,830 km (0.068 R)
• M15: 33,122,315 km (0.074 R)
• M16: 35,186,018 km (0.042 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 18,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit