🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.7

Radius: 14.7

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.66 AU - 0.68 AU

Year: 379 Days

Day: 11.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 8,401,151 km

• M1: 182,809 km (0.12 R)
• M2: 805,136 km (0.118 R)
• M3: 1,271,731 km (0.043 R)
• M4: 1,806,095 km (0.075 R)
• M5: 2,372,173 km (0.08 R)
• M6: 2,876,318 km (0.083 R)
• M7: 3,440,751 km (0.12 R)
• M8: 3,947,738 km (0.087 R)
• M9: 4,590,710 km (0.111 R)
• M10: 5,334,959 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 12.1

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.74 AU - 1.12 AU

Year: 619 Days

Day: 14.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 8,401,151 km

• M1: 153,188 km (0.094 R)
• M2: 574,605 km (0.092 R)
• M3: 999,613 km (0.103 R)
• M4: 1,405,472 km (0.099 R)
• M5: 1,806,993 km (0.069 R)
• M6: 2,247,858 km (0.097 R)
• M7: 2,827,400 km (0.12 R)
• M8: 3,275,894 km (0.102 R)
• M9: 4,594,749 km (0.077 R)
• M10: 5,768,793 km (0.072 R)
• M11: 6,778,579 km (0.103 R)
• M12: 7,175,761 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.3

Radius: 9.6

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.99 AU - 0.99 AU

Year: 680 Days

Day: 5.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 8,401,151 km

• M1: 119,379 km (0.105 R)
• M2: 560,244 km (0.105 R)
• M3: 912,697 km (0.087 R)
• M4: 1,218,923 km (0.091 R)
• M5: 1,642,734 km (0.104 R)
• M6: 2,012,091 km (0.081 R)
• M7: 2,554,683 km (0.095 R)
• M8: 3,282,177 km (0.064 R)
• M9: 3,976,611 km (0.102 R)
• M10: 4,535,059 km (0.101 R)
• M11: 4,952,886 km (0.034 R)
• M12: 5,656,146 km (0.116 R)
• M13: 6,823,159 km (0.073 R)
• M14: 7,740,343 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.7

Radius: 11.6

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.39 AU - 1.47 AU

Year: 1180 Days

Day: 6.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 8,401,151 km

• M1: 144,212 km (0.116 R)
• M2: 529,876 km (0.108 R)
• M3: 903,272 km (0.091 R)
• M4: 1,693,747 km (0.089 R)
• M5: 2,222,576 km (0.116 R)
• M6: 2,596,421 km (0.047 R)
• M7: 3,012,452 km (0.108 R)
• M8: 3,411,131 km (0.113 R)
• M9: 3,861,869 km (0.099 R)
• M10: 4,727,742 km (0.063 R)
• M11: 6,009,646 km (0.062 R)
• M12: 6,476,840 km (0.106 R)
• M13: 7,069,397 km (0.117 R)
• M14: 8,193,176 km (0.057 R)
• M15: 8,768,530 km (0.074 R)
• M16: 9,588,027 km (0.074 R)
• M17: 11,031,796 km (0.099 R)
• M18: 11,449,623 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.4

Radius: 12.2

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.25 AU - 1.69 AU

Year: 1230 Days

Day: 6.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 8,401,151 km

• M1: 151,692 km (0.118 R)
• M2: 605,273 km (0.111 R)
• M3: 1,030,729 km (0.064 R)
• M4: 2,186,822 km (0.108 R)
• M5: 3,952,675 km (0.099 R)
• M6: 5,154,544 km (0.105 R)
• M7: 5,549,782 km (0.117 R)
• M8: 7,205,681 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.8

Radius: 13.3

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.38 AU - 3.28 AU

Year: 3286 Days

Day: 11.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 8,401,151 km

• M1: 165,455 km (0.101 R)
• M2: 1,045,390 km (0.106 R)
• M3: 1,582,895 km (0.054 R)
• M4: 2,606,743 km (0.056 R)
• M5: 3,037,884 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.2

Radius: 12.6

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.92 AU - 3.24 AU

Year: 3731 Days

Day: 12.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 8,401,151 km

• M1: 157,377 km (0.07 R)
• M2: 747,241 km (0.093 R)
• M3: 1,245,701 km (0.066 R)
• M4: 1,721,124 km (0.111 R)
• M5: 2,209,411 km (0.102 R)
• M6: 3,812,352 km (0.053 R)
• M7: 4,345,669 km (0.092 R)
• M8: 4,881,678 km (0.038 R)
• M9: 5,794,674 km (0.104 R)
• M10: 7,114,725 km (0.073 R)
• M11: 7,926,443 km (0.097 R)
• M12: 8,833,754 km (0.081 R)
• M13: 9,808,983 km (0.047 R)
• M14: 10,655,707 km (0.105 R)
• M15: 11,550,452 km (0.072 R)
• M16: 12,805,727 km (0.099 R)
• M17: 14,391,016 km (0.116 R)
• M18: 15,130,478 km (0.052 R)
• M19: 16,472,222 km (0.075 R)
• M20: 19,689,025 km (0.091 R)
• M21: 20,232,663 km (0.085 R)
• M22: 20,973,173 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.3

Radius: 13.4

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.77 AU - 3.57 AU

Year: 3896 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 8,401,151 km

• M1: 166,652 km (0.094 R)
• M2: 681,867 km (0.101 R)
• M3: 1,135,448 km (0.106 R)
• M4: 1,581,997 km (0.058 R)
• M5: 2,438,445 km (0.068 R)
• M6: 3,101,463 km (0.047 R)
• M7: 3,738,750 km (0.106 R)
• M8: 5,331,519 km (0.095 R)
• M9: 6,290,441 km (0.058 R)
• M10: 6,747,462 km (0.104 R)
• M11: 7,182,194 km (0.09 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 18,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit