🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.7

Radius: 14.1

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.72 AU - 0.76 AU

Year: 447 Days

Day: 5.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,183,282 km

• M1: 175,478 km (0.116 R)
• M2: 618,138 km (0.085 R)
• M3: 1,339,649 km (0.117 R)
• M4: 1,998,927 km (0.087 R)
• M5: 2,850,887 km (0.026 R)
• M6: 3,320,325 km (0.114 R)
• M7: 3,807,565 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.6

Radius: 12.3

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.89 AU - 1.03 AU

Year: 661 Days

Day: 8 Hours

Environment

Temp: -176 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,183,282 km

• M1: 153,188 km (0.066 R)
• M2: 671,694 km (0.087 R)
• M3: 1,294,919 km (0.101 R)
• M4: 1,742,516 km (0.085 R)
• M5: 2,717,745 km (0.091 R)
• M6: 3,205,583 km (0.117 R)
• M7: 5,335,857 km (0.075 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.2

Radius: 5.3

Gravity: 20.33 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.58 AU - 8.48 AU

Year: 13102 Days

Day: 19.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,183,282 km

• M1: 74,949 km (0.091 R)
• M2: 299,645 km (0.117 R)
• M3: 849,716 km (0.062 R)
• M4: 1,151,604 km (0.049 R)
• M5: 1,611,917 km (0.097 R)
• M6: 2,439,193 km (0.092 R)
• M7: 3,978,256 km (0.103 R)
• M8: 5,048,330 km (0.116 R)
• M9: 16,076,535 km (0.05 R)
• M10: 18,022,803 km (0.083 R)
• M11: 18,493,139 km (0.054 R)
• M12: 18,891,518 km (0.101 R)
• M13: 20,372,687 km (0.103 R)
• M14: 29,381,620 km (0.045 R)
• M15: 29,814,856 km (0.106 R)
• M16: 32,388,986 km (0.083 R)
• M17: 33,200,854 km (0.089 R)
• M18: 35,840,957 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714

Radius: 3.2

Gravity: 69.73 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.62 AU - 8.06 AU

Year: 13978 Days

Day: 24.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 30,183,282 km

• M1: 40,391 km (0.056 R)
• M2: 240,703 km (0.115 R)
• M3: 518,357 km (0.092 R)
• M4: 618,288 km (0.098 R)
• M5: 1,094,757 km (0.069 R)
• M6: 3,140,359 km (0.042 R)
• M7: 3,925,747 km (0.096 R)
• M8: 5,176,834 km (0.059 R)
• M9: 5,572,820 km (0.067 R)
• M10: 5,759,219 km (0.081 R)
• M11: 6,547,151 km (0.117 R)
• M12: 6,754,793 km (0.096 R)
• M13: 7,675,268 km (0.073 R)
• M14: 9,600,743 km (0.113 R)
• M15: 10,308,041 km (0.086 R)
• M16: 10,532,438 km (0.059 R)
• M17: 10,991,105 km (0.074 R)
• M18: 11,343,707 km (0.102 R)
• M19: 11,643,202 km (0.051 R)
• M20: 11,825,562 km (0.11 R)
• M21: 15,294,587 km (0.1 R)
• M22: 15,882,208 km (0.101 R)
• M23: 16,791,613 km (0.096 R)
• M24: 16,946,447 km (0.116 R)
• M25: 18,383,484 km (0.09 R)
• M26: 20,599,627 km (0.105 R)
• M27: 26,588,628 km (0.112 R)
• M28: 26,693,646 km (0.029 R)
• M29: 28,193,963 km (0.12 R)
• M30: 29,636,535 km (0.113 R)
• M31: 32,069,595 km (0.11 R)
• M32: 33,030,462 km (0.076 R)
• M33: 45,344,311 km (0.077 R)
• M34: 48,407,926 km (0.112 R)
• M35: 49,830,452 km (0.045 R)
• M36: 53,591,792 km (0.073 R)
• M37: 55,799,258 km (0.104 R)
• M38: 56,664,233 km (0.088 R)
• M39: 59,312,564 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.7

Radius: 3.4

Gravity: 60.96 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.47 AU - 8.65 AU

Year: 17604 Days

Day: 18.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 30,183,282 km

• M1: 42,336 km (0.109 R)
• M2: 495,917 km (0.058 R)
• M3: 772,673 km (0.118 R)
• M4: 2,082,253 km (0.073 R)
• M5: 2,692,911 km (0.089 R)
• M6: 2,838,021 km (0.105 R)
• M7: 3,414,721 km (0.063 R)
• M8: 3,642,708 km (0.083 R)
• M9: 4,691,389 km (0.119 R)
• M10: 5,081,540 km (0.108 R)
• M11: 5,726,606 km (0.108 R)
• M12: 6,949,868 km (0.12 R)
• M13: 8,135,731 km (0.065 R)
• M14: 8,855,446 km (0.098 R)
• M15: 9,728,948 km (0.027 R)
• M16: 10,186,418 km (0.115 R)
• M17: 10,420,539 km (0.049 R)
• M18: 11,330,393 km (0.114 R)
• M19: 12,758,754 km (0.084 R)
• M20: 13,586,479 km (0.093 R)
• M21: 15,655,417 km (0.07 R)
• M22: 23,203,976 km (0.097 R)
• M23: 24,018,985 km (0.116 R)
• M24: 27,021,714 km (0.115 R)
• M25: 30,992,490 km (0.086 R)
• M26: 35,871,026 km (0.113 R)
• M27: 38,491,682 km (0.061 R)
• M28: 39,776,428 km (0.099 R)
• M29: 44,731,559 km (0.108 R)
• M30: 45,833,048 km (0.041 R)
• M31: 48,582,956 km (0.114 R)
• M32: 52,129,173 km (0.079 R)
• M33: 52,823,756 km (0.117 R)
• M34: 53,876,925 km (0.107 R)
• M35: 54,586,917 km (0.117 R)
• M36: 55,663,423 km (0.028 R)
• M37: 58,230,074 km (0.068 R)
• M38: 66,401,558 km (0.047 R)
• M39: 67,422,564 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34

Radius: 6.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.05 AU - 11.07 AU

Year: 22429 Days

Day: 20.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,183,282 km

• M1: 77,193 km (0.101 R)
• M2: 296,952 km (0.082 R)
• M3: 703,260 km (0.059 R)
• M4: 1,446,911 km (0.074 R)
• M5: 3,303,570 km (0.09 R)
• M6: 4,047,221 km (0.05 R)
• M7: 4,739,111 km (0.097 R)
• M8: 5,031,575 km (0.098 R)
• M9: 8,155,627 km (0.1 R)
• M10: 8,970,786 km (0.064 R)
• M11: 9,501,709 km (0.063 R)
• M12: 16,076,834 km (0.068 R)
• M13: 23,064,701 km (0.068 R)
• M14: 26,052,768 km (0.057 R)
• M15: 26,713,093 km (0.092 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 10,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit