🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983

Radius: 14.4

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.96 AU - 0.96 AU

Year: 598 Days

Day: 10 Hours

Environment

Temp: -159 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,962,439 km

• M1: 179,069 km (0.085 R)
• M2: 658,979 km (0.096 R)
• M3: 1,196,334 km (0.099 R)
• M4: 1,891,665 km (0.089 R)
• M5: 2,536,581 km (0.07 R)
• M6: 3,248,967 km (0.065 R)
• M7: 3,843,319 km (0.094 R)
• M8: 4,398,925 km (0.119 R)
• M9: 4,871,505 km (0.061 R)
• M10: 5,378,343 km (0.081 R)
• M11: 5,881,739 km (0.119 R)
• M12: 6,375,861 km (0.062 R)
• M13: 6,919,350 km (0.11 R)
• M14: 8,099,528 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.7

Radius: 12.1

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.26 AU - 1.68 AU

Year: 1133 Days

Day: 5.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,962,439 km

• M1: 150,495 km (0.072 R)
• M2: 528,380 km (0.108 R)
• M3: 1,184,666 km (0.086 R)
• M4: 1,692,850 km (0.104 R)
• M5: 2,220,032 km (0.09 R)
• M6: 2,635,166 km (0.097 R)
• M7: 3,245,975 km (0.11 R)
• M8: 5,122,381 km (0.1 R)
• M9: 5,596,606 km (0.11 R)
• M10: 6,421,189 km (0.117 R)
• M11: 6,899,603 km (0.115 R)
• M12: 7,928,388 km (0.055 R)
• M13: 8,678,771 km (0.096 R)
• M14: 9,876,900 km (0.098 R)
• M15: 10,679,942 km (0.059 R)
• M16: 11,114,374 km (0.1 R)
• M17: 11,491,211 km (0.117 R)
• M18: 12,126,403 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.4

Radius: 9.4

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.61 AU - 1.71 AU

Year: 1360 Days

Day: 5.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,962,439 km

• M1: 116,986 km (0.105 R)
• M2: 518,805 km (0.12 R)
• M3: 821,592 km (0.078 R)
• M4: 1,148,612 km (0.041 R)
• M5: 1,756,877 km (0.044 R)
• M6: 2,100,354 km (0.109 R)
• M7: 2,527,606 km (0.057 R)
• M8: 2,853,430 km (0.086 R)
• M9: 3,379,266 km (0.1 R)
• M10: 4,260,099 km (0.058 R)
• M11: 5,286,639 km (0.097 R)
• M12: 5,892,959 km (0.052 R)
• M13: 6,322,455 km (0.085 R)
• M14: 6,620,304 km (0.116 R)
• M15: 7,137,614 km (0.06 R)
• M16: 7,433,369 km (0.114 R)
• M17: 7,765,476 km (0.114 R)
• M18: 9,131,604 km (0.093 R)
• M19: 9,871,664 km (0.074 R)
• M20: 11,038,378 km (0.065 R)
• M21: 11,655,021 km (0.119 R)
• M22: 12,877,983 km (0.098 R)
• M23: 13,317,502 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.4

Radius: 11.5

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.7 AU - 1.82 AU

Year: 1485 Days

Day: 6 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,962,439 km

• M1: 143,165 km (0.088 R)
• M2: 563,834 km (0.044 R)
• M3: 1,396,646 km (0.097 R)
• M4: 1,842,447 km (0.119 R)
• M5: 2,230,055 km (0.106 R)
• M6: 3,173,120 km (0.057 R)
• M7: 3,605,458 km (0.064 R)
• M8: 4,024,482 km (0.056 R)
• M9: 4,666,107 km (0.091 R)
• M10: 5,332,566 km (0.078 R)
• M11: 6,038,219 km (0.095 R)
• M12: 6,632,122 km (0.077 R)
• M13: 7,395,820 km (0.104 R)
• M14: 8,160,564 km (0.092 R)
• M15: 8,827,621 km (0.107 R)
• M16: 9,343,584 km (0.111 R)
• M17: 10,073,771 km (0.049 R)
• M18: 10,436,396 km (0.062 R)
• M19: 10,910,322 km (0.106 R)
• M20: 11,937,910 km (0.098 R)
• M21: 12,456,566 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.7

Radius: 12.8

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.67 AU - 5.19 AU

Year: 5928 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,962,439 km

• M1: 162,164 km (0.109 R)
• M2: 570,417 km (0.095 R)
• M3: 1,307,037 km (0.108 R)
• M4: 1,721,722 km (0.083 R)
• M5: 2,658,803 km (0.084 R)
• M6: 3,470,671 km (0.1 R)
• M7: 4,601,780 km (0.099 R)
• M8: 5,048,629 km (0.101 R)
• M9: 5,679,034 km (0.102 R)
• M10: 6,811,041 km (0.115 R)
• M11: 7,430,825 km (0.09 R)
• M12: 9,124,573 km (0.119 R)
• M13: 9,607,923 km (0.099 R)
• M14: 10,247,753 km (0.077 R)
• M15: 11,612,834 km (0.096 R)
• M16: 16,243,038 km (0.114 R)
• M17: 19,717,747 km (0.116 R)
• M18: 21,900,231 km (0.083 R)
• M19: 23,659,950 km (0.118 R)
• M20: 24,490,368 km (0.095 R)
• M21: 29,408,697 km (0.107 R)
• M22: 35,808,794 km (0.115 R)
• M23: 37,124,956 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.8

Radius: 3.9

Gravity: 32.53 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.36 AU - 9.98 AU

Year: 14848 Days

Day: 25 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,962,439 km

• M1: 49,517 km (0.107 R)
• M2: 183,108 km (0.063 R)
• M3: 720,164 km (0.099 R)
• M4: 1,020,108 km (0.062 R)
• M5: 1,329,626 km (0.06 R)
• M6: 1,730,698 km (0.057 R)
• M7: 2,040,066 km (0.109 R)
• M8: 2,813,038 km (0.04 R)
• M9: 3,069,150 km (0.033 R)
• M10: 3,736,207 km (0.106 R)
• M11: 4,526,084 km (0.112 R)
• M12: 6,080,106 km (0.057 R)
• M13: 6,955,703 km (0.103 R)
• M14: 7,467,178 km (0.073 R)
• M15: 7,687,535 km (0.098 R)
• M16: 7,957,560 km (0.107 R)
• M17: 10,296,971 km (0.052 R)
• M18: 10,515,085 km (0.117 R)
• M19: 14,300,659 km (0.104 R)
• M20: 18,102,988 km (0.098 R)
• M21: 18,742,070 km (0.057 R)
• M22: 19,478,840 km (0.075 R)
• M23: 20,065,114 km (0.076 R)
• M24: 20,576,888 km (0.072 R)
• M25: 20,835,991 km (0.079 R)
• M26: 22,164,271 km (0.076 R)
• M27: 22,436,539 km (0.085 R)
• M28: 24,117,271 km (0.091 R)
• M29: 25,580,637 km (0.099 R)
• M30: 26,384,726 km (0.086 R)
• M31: 32,607,698 km (0.09 R)
• M32: 33,791,616 km (0.045 R)
• M33: 35,496,732 km (0.056 R)
• M34: 39,341,846 km (0.119 R)
• M35: 42,471,284 km (0.091 R)
• M36: 45,032,998 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.3

Radius: 5.6

Gravity: 14.84 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 8.33 AU - 13.41 AU

Year: 22786 Days

Day: 18.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,962,439 km

• M1: 84,672 km (0.046 R)
• M2: 320,588 km (0.074 R)
• M3: 569,669 km (0.03 R)
• M4: 1,669,811 km (0.112 R)
• M5: 1,922,033 km (0.093 R)
• M6: 2,689,171 km (0.116 R)
• M7: 2,884,397 km (0.119 R)
• M8: 3,913,630 km (0.118 R)
• M9: 4,132,940 km (0.077 R)
• M10: 5,167,410 km (0.057 R)
• M11: 6,028,345 km (0.07 R)
• M12: 6,712,008 km (0.119 R)
• M13: 11,294,490 km (0.104 R)
• M14: 12,598,385 km (0.12 R)
• M15: 13,077,547 km (0.103 R)
• M16: 13,783,200 km (0.11 R)
• M17: 15,893,278 km (0.114 R)
• M18: 20,553,401 km (0.071 R)
• M19: 22,587,334 km (0.077 R)
• M20: 26,379,939 km (0.097 R)
• M21: 28,777,245 km (0.094 R)
• M22: 43,427,963 km (0.11 R)
• M23: 48,734,947 km (0.103 R)
• M24: 63,358,887 km (0.081 R)
• M25: 63,957,877 km (0.106 R)
• M26: 65,777,286 km (0.087 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 15,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit