🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531

Radius: 12.3

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.64 AU - 0.86 AU

Year: 448 Days

Day: 8.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,802,597 km

• M1: 153,039 km (0.074 R)
• M2: 544,835 km (0.114 R)
• M3: 930,499 km (0.099 R)
• M4: 1,337,854 km (0.032 R)
• M5: 1,771,089 km (0.09 R)
• M6: 2,351,679 km (0.045 R)
• M7: 2,737,192 km (0.055 R)
• M8: 3,425,043 km (0.107 R)
• M9: 3,988,279 km (0.064 R)
• M10: 4,655,785 km (0.088 R)
• M11: 5,317,456 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.8

Radius: 14.1

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.75 AU - 1.03 AU

Year: 580 Days

Day: 9.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,802,597 km

• M1: 175,329 km (0.042 R)
• M2: 703,708 km (0.069 R)
• M3: 1,144,424 km (0.073 R)
• M4: 1,650,214 km (0.117 R)
• M5: 2,422,887 km (0.114 R)
• M6: 2,894,120 km (0.087 R)
• M7: 3,426,988 km (0.036 R)
• M8: 4,402,366 km (0.032 R)
• M9: 4,915,337 km (0.088 R)
• M10: 5,468,101 km (0.057 R)
• M11: 6,462,778 km (0.067 R)
• M12: 6,901,249 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.3

Radius: 9.2

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.98 AU - 1.14 AU

Year: 753 Days

Day: 12.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,802,597 km

• M1: 114,442 km (0.099 R)
• M2: 440,715 km (0.098 R)
• M3: 822,040 km (0.109 R)
• M4: 1,486,704 km (0.078 R)
• M5: 1,843,943 km (0.082 R)
• M6: 2,616,616 km (0.077 R)
• M7: 3,849,602 km (0.115 R)
• M8: 4,405,059 km (0.103 R)
• M9: 5,119,538 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.5

Radius: 13.4

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.32 AU - 1.68 AU

Year: 1268 Days

Day: 6.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 163.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,802,597 km

• M1: 168,597 km (0.071 R)
• M2: 615,595 km (0.109 R)
• M3: 1,134,550 km (0.09 R)
• M4: 1,562,550 km (0.112 R)
• M5: 2,003,115 km (0.113 R)
• M6: 2,465,074 km (0.113 R)
• M7: 2,956,204 km (0.046 R)
• M8: 4,857,742 km (0.079 R)
• M9: 6,695,402 km (0.078 R)
• M10: 7,579,825 km (0.074 R)
• M11: 8,570,163 km (0.082 R)
• M12: 11,016,088 km (0.089 R)
• M13: 11,730,567 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.7

Radius: 13

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.97 AU - 2.35 AU

Year: 2191 Days

Day: 14.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,802,597 km

• M1: 162,164 km (0.075 R)
• M2: 685,607 km (0.111 R)
• M3: 1,450,052 km (0.065 R)
• M4: 2,300,516 km (0.098 R)
• M5: 2,832,037 km (0.068 R)
• M6: 3,267,965 km (0.11 R)
• M7: 4,431,239 km (0.117 R)
• M8: 5,393,901 km (0.026 R)
• M9: 6,216,240 km (0.078 R)
• M10: 6,932,814 km (0.088 R)
• M11: 7,847,456 km (0.094 R)
• M12: 8,319,138 km (0.084 R)
• M13: 9,648,015 km (0.08 R)
• M14: 10,363,542 km (0.057 R)
• M15: 10,788,101 km (0.079 R)
• M16: 13,211,138 km (0.097 R)
• M17: 13,710,794 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.3

Radius: 13.4

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.8 AU - 4.48 AU

Year: 4794 Days

Day: 6 Hours

Environment

Temp: -209 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,802,597 km

• M1: 168,447 km (0.118 R)
• M2: 716,125 km (0.068 R)
• M3: 2,371,575 km (0.111 R)
• M4: 4,117,981 km (0.082 R)
• M5: 4,849,215 km (0.11 R)
• M6: 5,606,479 km (0.084 R)
• M7: 6,029,393 km (0.08 R)
• M8: 6,571,685 km (0.059 R)
• M9: 8,319,736 km (0.107 R)
• M10: 8,952,685 km (0.092 R)
• M11: 10,049,686 km (0.05 R)
• M12: 11,329,346 km (0.12 R)
• M13: 11,860,867 km (0.095 R)
• M14: 16,608,505 km (0.117 R)
• M15: 18,459,629 km (0.108 R)
• M16: 22,043,246 km (0.119 R)
• M17: 23,102,848 km (0.105 R)
• M18: 25,160,267 km (0.072 R)
• M19: 28,649,039 km (0.036 R)
• M20: 29,819,493 km (0.059 R)
• M21: 31,776,981 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.2

Radius: 6.6

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.23 AU - 6.61 AU

Year: 9942 Days

Day: 24.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,802,597 km

• M1: 157,826 km (0.079 R)
• M2: 438,023 km (0.112 R)
• M3: 1,003,802 km (0.062 R)
• M4: 1,253,929 km (0.117 R)
• M5: 1,615,059 km (0.068 R)
• M6: 1,929,663 km (0.08 R)
• M7: 2,487,813 km (0.056 R)
• M8: 3,215,606 km (0.067 R)
• M9: 3,495,354 km (0.101 R)
• M10: 5,399,436 km (0.088 R)
• M11: 8,814,307 km (0.103 R)
• M12: 9,742,412 km (0.086 R)
• M13: 10,837,019 km (0.034 R)
• M14: 12,345,714 km (0.038 R)
• M15: 13,989,196 km (0.053 R)
• M16: 21,208,789 km (0.066 R)
• M17: 23,902,748 km (0.072 R)
• M18: 26,159,880 km (0.092 R)
• M19: 29,958,769 km (0.041 R)
• M20: 31,936,004 km (0.082 R)
• M21: 34,555,762 km (0.076 R)
• M22: 36,845,656 km (0.106 R)
• M23: 39,234,884 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.1

Radius: 3.2

Gravity: 24.62 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.84 AU - 8 AU

Year: 11228 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 22,802,597 km

• M1: 39,943 km (0.041 R)
• M2: 172,486 km (0.051 R)
• M3: 298,149 km (0.104 R)
• M4: 461,958 km (0.106 R)
• M5: 578,345 km (0.036 R)
• M6: 745,297 km (0.035 R)
• M7: 916,137 km (0.094 R)
• M8: 1,231,789 km (0.118 R)
• M9: 1,371,962 km (0.082 R)
• M10: 1,615,507 km (0.09 R)
• M11: 2,057,868 km (0.103 R)
• M12: 2,289,745 km (0.033 R)
• M13: 2,727,618 km (0.085 R)
• M14: 2,885,444 km (0.115 R)
• M15: 3,133,327 km (0.073 R)
• M16: 3,742,789 km (0.118 R)
• M17: 4,813,760 km (0.082 R)
• M18: 5,780,013 km (0.082 R)
• M19: 7,385,048 km (0.107 R)
• M20: 7,652,829 km (0.115 R)
• M21: 8,662,166 km (0.075 R)
• M22: 8,874,295 km (0.081 R)
• M23: 10,314,025 km (0.106 R)
• M24: 11,138,758 km (0.067 R)
• M25: 13,139,480 km (0.112 R)
• M26: 13,251,080 km (0.049 R)
• M27: 23,699,743 km (0.103 R)
• M28: 26,260,111 km (0.065 R)
• M29: 33,040,934 km (0.055 R)
• M30: 34,821,597 km (0.097 R)
• M31: 36,225,723 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.2

Radius: 6.1

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.24 AU - 11.76 AU

Year: 20211 Days

Day: 19.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 22,802,597 km

• M1: 75,846 km (0.108 R)
• M2: 321,635 km (0.094 R)
• M3: 519,254 km (0.05 R)
• M4: 728,990 km (0.065 R)
• M5: 1,247,945 km (0.081 R)
• M6: 1,796,521 km (0.106 R)
• M7: 2,005,659 km (0.101 R)
• M8: 2,644,442 km (0.066 R)
• M9: 3,058,828 km (0.115 R)
• M10: 3,930,385 km (0.112 R)
• M11: 4,134,736 km (0.108 R)
• M12: 5,195,833 km (0.052 R)
• M13: 5,442,371 km (0.096 R)
• M14: 6,427,323 km (0.092 R)
• M15: 6,919,949 km (0.117 R)
• M16: 8,119,873 km (0.088 R)
• M17: 8,843,478 km (0.063 R)
• M18: 9,043,490 km (0.093 R)
• M19: 9,873,908 km (0.033 R)
• M20: 12,860,181 km (0.116 R)
• M21: 13,117,040 km (0.082 R)
• M22: 13,707,802 km (0.119 R)
• M23: 18,511,689 km (0.049 R)
• M24: 23,843,507 km (0.116 R)
• M25: 32,546,812 km (0.042 R)
• M26: 33,024,328 km (0.099 R)
• M27: 34,856,603 km (0.094 R)
• M28: 35,608,183 km (0.08 R)
• M29: 41,035,294 km (0.045 R)
• M30: 41,592,546 km (0.076 R)
• M31: 47,445,713 km (0.08 R)
• M32: 52,833,330 km (0.119 R)
• M33: 56,356,809 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.5

Radius: 4.7

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.28 AU - 11.16 AU

Year: 22552 Days

Day: 22.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,802,597 km

• M1: 89,609 km (0.056 R)
• M2: 913,594 km (0.117 R)
• M3: 3,057,780 km (0.099 R)
• M4: 4,897,834 km (0.049 R)
• M5: 7,660,757 km (0.103 R)
• M6: 9,387,416 km (0.094 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 16,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit