🌌 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: 243.1

Radius: 12.4

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.58 AU - 0.76 AU

Year: 379 Days

Day: 7.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,831,874 km

• M1: 154,235 km (0.105 R)
• M2: 583,581 km (0.07 R)
• M3: 1,037,760 km (0.068 R)
• M4: 1,507,647 km (0.07 R)
• M5: 1,916,798 km (0.116 R)
• M6: 2,433,060 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.9

Radius: 9.5

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.62 AU - 0.8 AU

Year: 413 Days

Day: 10.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,831,874 km

• M1: 118,182 km (0.115 R)
• M2: 480,508 km (0.1 R)
• M3: 825,780 km (0.046 R)
• M4: 1,290,730 km (0.069 R)
• M5: 1,692,999 km (0.117 R)
• M6: 2,453,854 km (0.083 R)
• M7: 3,139,311 km (0.106 R)
• M8: 3,549,658 km (0.086 R)
• M9: 4,144,310 km (0.079 R)
• M10: 4,572,010 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.1

Radius: 13.6

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.57 AU - 0.91 AU

Year: 439 Days

Day: 5.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,831,874 km

• M1: 169,195 km (0.088 R)
• M2: 720,463 km (0.046 R)
• M3: 1,156,242 km (0.098 R)
• M4: 1,808,489 km (0.091 R)
• M5: 2,347,191 km (0.032 R)
• M6: 2,803,015 km (0.1 R)
• M7: 3,308,507 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.7

Radius: 10.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.75 AU - 0.91 AU

Year: 522 Days

Day: 9.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,831,874 km

• M1: 131,796 km (0.106 R)
• M2: 479,760 km (0.05 R)
• M3: 1,271,582 km (0.106 R)
• M4: 1,677,591 km (0.078 R)
• M5: 2,255,637 km (0.096 R)
• M6: 2,933,764 km (0.093 R)
• M7: 4,127,405 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.4

Radius: 10.1

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.09 AU - 1.41 AU

Year: 965 Days

Day: 9 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,831,874 km

• M1: 125,662 km (0.037 R)
• M2: 479,012 km (0.111 R)
• M3: 798,254 km (0.073 R)
• M4: 1,363,884 km (0.045 R)
• M5: 1,817,913 km (0.075 R)
• M6: 2,265,361 km (0.113 R)
• M7: 3,472,167 km (0.107 R)
• M8: 3,828,658 km (0.113 R)
• M9: 4,194,874 km (0.095 R)
• M10: 5,014,820 km (0.114 R)
• M11: 5,350,667 km (0.107 R)
• M12: 5,993,489 km (0.118 R)
• M13: 6,333,675 km (0.084 R)
• M14: 6,868,337 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.3

Radius: 9.9

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.68 AU - 1.9 AU

Year: 1653 Days

Day: 8.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,831,874 km

• M1: 123,119 km (0.104 R)
• M2: 578,196 km (0.079 R)
• M3: 1,010,234 km (0.065 R)
• M4: 1,371,962 km (0.068 R)
• M5: 1,704,967 km (0.074 R)
• M6: 2,378,606 km (0.104 R)
• M7: 2,777,434 km (0.114 R)
• M8: 3,570,602 km (0.095 R)
• M9: 4,926,108 km (0.104 R)
• M10: 5,233,981 km (0.096 R)
• M11: 5,554,719 km (0.101 R)
• M12: 6,389,026 km (0.075 R)
• M13: 8,967,644 km (0.087 R)
• M14: 9,495,426 km (0.082 R)
• M15: 11,469,669 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.6

Radius: 10.4

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.02 AU - 3.72 AU

Year: 4270 Days

Day: 6.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,831,874 km

• M1: 129,552 km (0.109 R)
• M2: 512,074 km (0.073 R)
• M3: 1,404,275 km (0.091 R)
• M4: 2,260,424 km (0.056 R)
• M5: 2,602,405 km (0.114 R)
• M6: 3,310,601 km (0.074 R)
• M7: 3,754,308 km (0.063 R)
• M8: 4,457,119 km (0.099 R)
• M9: 5,329,125 km (0.098 R)
• M10: 6,762,422 km (0.053 R)
• M11: 7,409,433 km (0.027 R)
• M12: 10,684,878 km (0.111 R)
• M13: 11,995,206 km (0.112 R)
• M14: 13,462,013 km (0.068 R)
• M15: 15,618,766 km (0.051 R)
• M16: 16,506,479 km (0.075 R)
• M17: 16,932,085 km (0.114 R)
• M18: 18,447,213 km (0.116 R)
• M19: 20,465,886 km (0.098 R)
• M20: 22,110,116 km (0.103 R)
• M21: 24,937,367 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.3

Radius: 5

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.49 AU - 7.09 AU

Year: 9617 Days

Day: 19 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,831,874 km

• M1: 62,382 km (0.094 R)
• M2: 225,444 km (0.071 R)
• M3: 802,144 km (0.117 R)
• M4: 1,723,367 km (0.084 R)
• M5: 1,967,062 km (0.056 R)
• M6: 2,488,561 km (0.082 R)
• M7: 3,306,562 km (0.086 R)
• M8: 5,485,754 km (0.118 R)
• M9: 5,886,826 km (0.085 R)
• M10: 6,143,386 km (0.048 R)
• M11: 7,727,328 km (0.063 R)
• M12: 8,270,817 km (0.073 R)
• M13: 10,514,337 km (0.045 R)
• M14: 11,036,134 km (0.106 R)
• M15: 11,624,802 km (0.061 R)
• M16: 12,599,133 km (0.06 R)
• M17: 12,811,113 km (0.092 R)
• M18: 15,542,770 km (0.113 R)
• M19: 17,173,237 km (0.066 R)
• M20: 18,366,579 km (0.116 R)
• M21: 19,827,403 km (0.095 R)
• M22: 21,139,825 km (0.045 R)
• M23: 21,514,418 km (0.047 R)
• M24: 33,482,098 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447

Radius: 7.4

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.59 AU - 10.23 AU

Year: 19925 Days

Day: 23.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,831,874 km

• M1: 92,003 km (0.085 R)
• M2: 462,856 km (0.034 R)
• M3: 791,971 km (0.108 R)
• M4: 1,035,367 km (0.093 R)
• M5: 1,287,888 km (0.04 R)
• M6: 1,762,562 km (0.104 R)
• M7: 2,838,769 km (0.076 R)
• M8: 5,846,135 km (0.106 R)
• M9: 6,162,834 km (0.087 R)
• M10: 6,744,620 km (0.062 R)
• M11: 7,048,902 km (0.114 R)
• M12: 7,316,981 km (0.088 R)
• M13: 8,162,509 km (0.082 R)
• M14: 9,176,483 km (0.114 R)
• M15: 11,575,285 km (0.116 R)
• M16: 13,051,816 km (0.116 R)
• M17: 14,009,691 km (0.061 R)
• M18: 14,362,892 km (0.12 R)
• M19: 20,220,396 km (0.118 R)
• M20: 23,422,838 km (0.106 R)
• M21: 23,720,538 km (0.072 R)
• M22: 26,947,962 km (0.067 R)
• M23: 29,064,323 km (0.119 R)
• M24: 29,755,016 km (0.089 R)
• M25: 30,221,463 km (0.098 R)
• M26: 33,750,776 km (0.106 R)
• M27: 35,549,092 km (0.092 R)
• M28: 36,738,095 km (0.083 R)
• M29: 41,615,136 km (0.077 R)
• M30: 41,906,253 km (0.041 R)
• M31: 43,084,037 km (0.095 R)
• M32: 59,720,667 km (0.104 R)
• M33: 61,776,590 km (0.05 R)
• M34: 62,726,537 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 10,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit