🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.7

Radius: 8.8

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.4 AU - 0.62 AU

Year: 243 Days

Day: 5.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,887,730 km

• M1: 109,506 km (0.078 R)
• M2: 419,921 km (0.078 R)
• M3: 791,822 km (0.117 R)
• M4: 1,097,300 km (0.103 R)
• M5: 1,392,307 km (0.105 R)
• M6: 2,147,777 km (0.115 R)
• M7: 2,497,686 km (0.073 R)
• M8: 3,199,749 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.1

Radius: 11.8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.33 AU - 1.97 AU

Year: 1413 Days

Day: 11.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,887,730 km

• M1: 146,756 km (0.067 R)
• M2: 630,405 km (0.114 R)
• M3: 1,029,832 km (0.052 R)
• M4: 1,701,377 km (0.092 R)
• M5: 3,091,739 km (0.028 R)
• M6: 4,558,098 km (0.056 R)
• M7: 4,984,152 km (0.062 R)
• M8: 5,523,752 km (0.101 R)
• M9: 6,309,889 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.1

Radius: 12

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.22 AU - 2.42 AU

Year: 2356 Days

Day: 8.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,887,730 km

• M1: 149,448 km (0.087 R)
• M2: 566,078 km (0.077 R)
• M3: 1,043,146 km (0.067 R)
• M4: 1,622,239 km (0.115 R)
• M5: 2,307,398 km (0.085 R)
• M6: 3,042,671 km (0.072 R)
• M7: 3,484,134 km (0.083 R)
• M8: 4,424,955 km (0.031 R)
• M9: 5,444,914 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.7

Radius: 10.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.97 AU - 3.77 AU

Year: 4125 Days

Day: 5.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,887,730 km

• M1: 129,402 km (0.097 R)
• M2: 510,578 km (0.102 R)
• M3: 883,076 km (0.106 R)
• M4: 1,484,011 km (0.082 R)
• M5: 1,827,936 km (0.093 R)
• M6: 2,430,816 km (0.104 R)
• M7: 3,001,083 km (0.099 R)
• M8: 3,519,888 km (0.076 R)
• M9: 4,119,327 km (0.117 R)
• M10: 4,665,808 km (0.119 R)
• M11: 6,569,740 km (0.072 R)
• M12: 6,967,670 km (0.079 R)
• M13: 7,778,491 km (0.116 R)
• M14: 8,189,436 km (0.104 R)
• M15: 9,509,937 km (0.036 R)
• M16: 9,861,043 km (0.089 R)
• M17: 11,572,442 km (0.12 R)
• M18: 12,568,166 km (0.107 R)
• M19: 13,183,013 km (0.065 R)
• M20: 13,620,288 km (0.096 R)
• M21: 14,067,137 km (0.09 R)
• M22: 16,787,125 km (0.032 R)
• M23: 20,414,275 km (0.101 R)
• M24: 22,205,111 km (0.1 R)

Asteroid Belt

Center: 4.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.9

Radius: 12.3

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.53 AU - 5.89 AU

Year: 9099 Days

Day: 6.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,887,730 km

• M1: 153,039 km (0.091 R)
• M2: 716,574 km (0.055 R)
• M3: 1,289,384 km (0.103 R)
• M4: 2,284,509 km (0.1 R)
• M5: 2,692,911 km (0.115 R)
• M6: 3,104,605 km (0.027 R)
• M7: 4,541,941 km (0.104 R)
• M8: 6,197,840 km (0.057 R)
• M9: 6,726,519 km (0.107 R)
• M10: 7,702,944 km (0.112 R)
• M11: 8,818,046 km (0.112 R)
• M12: 9,244,849 km (0.116 R)
• M13: 10,191,654 km (0.105 R)
• M14: 14,243,662 km (0.054 R)
• M15: 17,574,010 km (0.063 R)
• M16: 19,820,072 km (0.086 R)
• M17: 23,765,716 km (0.095 R)
• M18: 24,594,638 km (0.113 R)
• M19: 25,729,787 km (0.103 R)
• M20: 28,308,854 km (0.076 R)
• M21: 28,823,919 km (0.103 R)
• M22: 31,603,597 km (0.089 R)
• M23: 33,285,975 km (0.033 R)
• M24: 34,791,827 km (0.084 R)
• M25: 40,096,418 km (0.092 R)
• M26: 40,746,271 km (0.08 R)
• M27: 44,933,216 km (0.105 R)
• M28: 46,628,160 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.5

Radius: 7.4

Gravity: 14.73 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.84 AU - 8.26 AU

Year: 12483 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,887,730 km

• M1: 92,003 km (0.065 R)
• M2: 451,038 km (0.112 R)
• M3: 932,743 km (0.085 R)
• M4: 1,219,821 km (0.108 R)
• M5: 2,825,455 km (0.071 R)
• M6: 3,281,429 km (0.08 R)
• M7: 4,914,440 km (0.105 R)
• M8: 7,327,902 km (0.12 R)
• M9: 7,727,328 km (0.079 R)
• M10: 8,047,917 km (0.115 R)
• M11: 8,913,340 km (0.075 R)
• M12: 10,107,580 km (0.104 R)
• M13: 11,229,863 km (0.114 R)
• M14: 13,987,401 km (0.117 R)
• M15: 14,671,811 km (0.111 R)
• M16: 16,480,300 km (0.054 R)
• M17: 17,243,548 km (0.073 R)
• M18: 18,270,837 km (0.114 R)
• M19: 19,171,416 km (0.083 R)
• M20: 20,533,654 km (0.063 R)
• M21: 23,259,926 km (0.113 R)
• M22: 24,414,971 km (0.049 R)
• M23: 24,808,264 km (0.1 R)
• M24: 25,305,826 km (0.072 R)
• M25: 28,758,695 km (0.068 R)
• M26: 30,882,685 km (0.113 R)
• M27: 32,513,152 km (0.038 R)
• M28: 32,989,322 km (0.03 R)
• M29: 36,071,487 km (0.103 R)
• M30: 36,326,103 km (0.09 R)
• M31: 38,010,126 km (0.072 R)
• M32: 40,017,131 km (0.091 R)
• M33: 41,254,754 km (0.113 R)
• M34: 41,672,880 km (0.113 R)
• M35: 43,373,659 km (0.09 R)
• M36: 46,460,611 km (0.068 R)
• M37: 57,630,485 km (0.063 R)
• M38: 58,327,911 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.7

Radius: 7.5

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.69 AU - 12.91 AU

Year: 23668 Days

Day: 22.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,887,730 km

• M1: 93,798 km (0.111 R)
• M2: 327,470 km (0.091 R)
• M3: 636,838 km (0.101 R)
• M4: 952,340 km (0.063 R)
• M5: 1,581,249 km (0.097 R)
• M6: 1,947,166 km (0.089 R)
• M7: 3,877,726 km (0.099 R)
• M8: 4,510,974 km (0.115 R)
• M9: 7,900,114 km (0.045 R)
• M10: 9,139,084 km (0.094 R)
• M11: 9,657,440 km (0.096 R)
• M12: 12,339,580 km (0.11 R)
• M13: 17,760,858 km (0.109 R)
• M14: 21,434,832 km (0.077 R)
• M15: 22,452,546 km (0.096 R)
• M16: 24,693,971 km (0.107 R)
• M17: 25,025,929 km (0.109 R)
• M18: 25,473,226 km (0.116 R)
• M19: 26,846,834 km (0.05 R)
• M20: 27,789,600 km (0.071 R)
• M21: 28,269,210 km (0.111 R)
• M22: 28,754,207 km (0.11 R)
• M23: 29,991,232 km (0.037 R)
• M24: 32,571,047 km (0.047 R)
• M25: 37,144,852 km (0.119 R)
• M26: 41,972,076 km (0.049 R)
• M27: 44,535,286 km (0.114 R)
• M28: 45,522,931 km (0.064 R)
• M29: 46,022,139 km (0.114 R)
• M30: 47,371,213 km (0.077 R)
• M31: 50,502,745 km (0.043 R)
• M32: 61,731,262 km (0.115 R)
• M33: 67,382,023 km (0.113 R)
• M34: 72,459,823 km (0.04 R)
• M35: 73,368,181 km (0.102 R)
• M36: 76,842,143 km (0.113 R)
• M37: 77,313,526 km (0.098 R)
• M38: 77,549,891 km (0.116 R)
• M39: 78,024,116 km (0.082 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 16,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit