🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.52 AU - 0.74 AU

Year: 323 Days

Day: 29.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,014,756 km

• M1: 59,091 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.6

Radius: 12.1

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.56 AU - 0.86 AU

Year: 386 Days

Day: 10.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 157.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,014,756 km

• M1: 150,495 km (0.025 R)
• M2: 573,708 km (0.118 R)
• M3: 1,124,976 km (0.037 R)
• M4: 1,584,840 km (0.076 R)
• M5: 2,094,669 km (0.053 R)
• M6: 2,703,832 km (0.116 R)
• M7: 3,601,569 km (0.112 R)
• M8: 4,156,427 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 8.8

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.04 AU - 1.34 AU

Year: 838 Days

Day: 9.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,014,756 km

• M1: 115,789 km (0.087 R)
• M2: 455,376 km (0.116 R)
• M3: 793,168 km (0.112 R)
• M4: 1,088,773 km (0.1 R)
• M5: 1,381,536 km (0.043 R)
• M6: 1,992,943 km (0.069 R)
• M7: 2,345,844 km (0.069 R)
• M8: 2,785,512 km (0.118 R)
• M9: 3,190,923 km (0.085 R)
• M10: 3,581,223 km (0.119 R)
• M11: 3,988,429 km (0.098 R)
• M12: 4,648,903 km (0.092 R)
• M13: 5,327,180 km (0.115 R)
• M14: 5,746,054 km (0.106 R)
• M15: 6,486,264 km (0.089 R)
• M16: 6,879,557 km (0.063 R)
• M17: 7,532,851 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22

Radius: 12.5

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.16 AU - 1.54 AU

Year: 1013 Days

Day: 11.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,014,756 km

• M1: 157,078 km (0.077 R)
• M2: 593,904 km (0.108 R)
• M3: 1,013,974 km (0.08 R)
• M4: 2,086,142 km (0.096 R)
• M5: 2,668,676 km (0.093 R)

Asteroid Belt

Center: 1.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.6

Radius: 12.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.15 AU - 2.97 AU

Year: 2645 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,014,756 km

• M1: 157,826 km (0.033 R)
• M2: 694,134 km (0.081 R)
• M3: 1,220,419 km (0.083 R)
• M4: 1,998,179 km (0.095 R)
• M5: 2,871,830 km (0.049 R)
• M6: 4,066,220 km (0.086 R)
• M7: 4,730,883 km (0.098 R)
• M8: 5,746,204 km (0.077 R)
• M9: 6,278,323 km (0.11 R)
• M10: 6,756,289 km (0.062 R)
• M11: 7,817,386 km (0.103 R)
• M12: 8,986,643 km (0.061 R)
• M13: 10,116,556 km (0.116 R)
• M14: 11,339,070 km (0.088 R)
• M15: 11,922,352 km (0.105 R)
• M16: 15,045,656 km (0.094 R)
• M17: 15,496,395 km (0.088 R)
• M18: 16,902,764 km (0.112 R)
• M19: 17,775,518 km (0.082 R)
• M20: 18,620,597 km (0.045 R)
• M21: 19,908,485 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.7

Radius: 8.9

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.46 AU - 3.2 AU

Year: 3074 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,014,756 km

• M1: 110,852 km (0.085 R)
• M2: 399,875 km (0.111 R)
• M3: 860,637 km (0.103 R)
• M4: 1,250,937 km (0.091 R)
• M5: 1,839,904 km (0.111 R)
• M6: 3,144,098 km (0.076 R)
• M7: 4,274,161 km (0.049 R)
• M8: 4,955,429 km (0.096 R)
• M9: 7,404,945 km (0.067 R)
• M10: 8,183,452 km (0.08 R)
• M11: 9,415,391 km (0.039 R)
• M12: 9,902,930 km (0.113 R)
• M13: 10,847,491 km (0.063 R)
• M14: 11,636,919 km (0.108 R)
• M15: 15,436,555 km (0.115 R)
• M16: 16,167,939 km (0.106 R)
• M17: 16,650,093 km (0.096 R)
• M18: 18,384,830 km (0.108 R)
• M19: 19,626,343 km (0.096 R)
• M20: 20,484,586 km (0.078 R)
• M21: 21,367,513 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 10.6

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.72 AU - 3.76 AU

Year: 3766 Days

Day: 11 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,014,756 km

• M1: 132,693 km (0.099 R)
• M2: 482,154 km (0.097 R)
• M3: 891,454 km (0.091 R)
• M4: 1,339,499 km (0.059 R)
• M5: 1,712,596 km (0.092 R)
• M6: 2,702,635 km (0.035 R)
• M7: 3,945,793 km (0.093 R)
• M8: 4,541,791 km (0.08 R)
• M9: 5,559,206 km (0.113 R)
• M10: 6,060,359 km (0.051 R)
• M11: 6,935,357 km (0.118 R)
• M12: 7,459,997 km (0.1 R)
• M13: 7,833,992 km (0.054 R)
• M14: 8,495,513 km (0.066 R)
• M15: 9,226,598 km (0.083 R)
• M16: 11,520,083 km (0.075 R)
• M17: 11,903,951 km (0.067 R)
• M18: 12,576,095 km (0.107 R)
• M19: 13,909,760 km (0.08 R)
• M20: 15,015,737 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.9

Radius: 13.6

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.34 AU - 4.14 AU

Year: 4670 Days

Day: 5 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,014,756 km

• M1: 173,982 km (0.058 R)
• M2: 1,024,895 km (0.107 R)
• M3: 1,546,992 km (0.036 R)
• M4: 2,043,507 km (0.085 R)
• M5: 3,530,959 km (0.049 R)
• M6: 5,312,370 km (0.104 R)
• M7: 6,062,603 km (0.083 R)
• M8: 8,665,756 km (0.102 R)
• M9: 9,418,532 km (0.12 R)
• M10: 10,518,974 km (0.118 R)
• M11: 11,845,459 km (0.066 R)
• M12: 12,723,299 km (0.081 R)
• M13: 15,907,041 km (0.085 R)
• M14: 17,902,228 km (0.084 R)
• M15: 18,862,347 km (0.102 R)
• M16: 25,041,936 km (0.081 R)
• M17: 28,072,639 km (0.088 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.3

Radius: 10.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.52 AU - 4.58 AU

Year: 6267 Days

Day: 9.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,014,756 km

• M1: 135,536 km (0.065 R)
• M2: 962,214 km (0.119 R)
• M3: 1,539,362 km (0.071 R)
• M4: 2,204,175 km (0.111 R)
• M5: 3,926,795 km (0.034 R)
• M6: 5,794,674 km (0.062 R)
• M7: 7,430,825 km (0.103 R)
• M8: 8,337,389 km (0.098 R)
• M9: 11,911,282 km (0.109 R)
• M10: 12,857,937 km (0.065 R)
• M11: 14,318,760 km (0.098 R)
• M12: 20,804,426 km (0.074 R)
• M13: 21,896,790 km (0.101 R)
• M14: 22,457,184 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.4

Radius: 3.7

Gravity: 60.88 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.66 AU - 9.1 AU

Year: 15663 Days

Day: 15.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,014,756 km

• M1: 46,226 km (0.103 R)
• M2: 215,720 km (0.091 R)
• M3: 350,209 km (0.1 R)
• M4: 557,402 km (0.072 R)
• M5: 750,832 km (0.053 R)
• M6: 918,381 km (0.099 R)
• M7: 1,035,666 km (0.093 R)
• M8: 1,189,602 km (0.109 R)
• M9: 1,710,801 km (0.119 R)
• M10: 1,852,919 km (0.108 R)
• M11: 2,709,217 km (0.12 R)
• M12: 2,829,195 km (0.041 R)
• M13: 3,105,652 km (0.108 R)
• M14: 3,399,761 km (0.108 R)
• M15: 5,046,983 km (0.095 R)
• M16: 6,042,108 km (0.077 R)
• M17: 6,372,720 km (0.09 R)
• M18: 7,160,951 km (0.115 R)
• M19: 10,845,846 km (0.099 R)
• M20: 10,966,571 km (0.114 R)
• M21: 11,709,474 km (0.1 R)
• M22: 13,572,416 km (0.119 R)
• M23: 15,623,702 km (0.073 R)
• M24: 20,696,566 km (0.059 R)
• M25: 23,099,258 km (0.067 R)
• M26: 23,299,120 km (0.117 R)
• M27: 24,419,160 km (0.031 R)
• M28: 24,835,191 km (0.106 R)
• M29: 28,679,109 km (0.087 R)
• M30: 29,375,636 km (0.073 R)
• M31: 36,427,979 km (0.037 R)
• M32: 40,342,806 km (0.076 R)
• M33: 45,933,577 km (0.113 R)
• M34: 53,227,521 km (0.108 R)
• M35: 55,164,364 km (0.075 R)
• M36: 58,805,427 km (0.053 R)
• M37: 62,603,418 km (0.063 R)
• M38: 67,780,701 km (0.094 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: 504 - 18,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit