🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.2

Radius: 11.9

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.54 AU - 0.62 AU

Year: 305 Days

Day: 12.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,126,720 km

• M1: 150,196 km (0.115 R)
• M2: 632,649 km (0.071 R)
• M3: 1,104,631 km (0.037 R)
• M4: 1,487,900 km (0.055 R)
• M5: 1,872,965 km (0.109 R)
• M6: 2,255,188 km (0.1 R)
• M7: 2,672,865 km (0.058 R)
• M8: 3,074,685 km (0.055 R)
• M9: 3,537,990 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.8

Radius: 9.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.54 AU - 0.82 AU

Year: 387 Days

Day: 8.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,126,720 km

• M1: 123,119 km (0.104 R)
• M2: 439,818 km (0.094 R)
• M3: 911,350 km (0.115 R)
• M4: 1,293,423 km (0.073 R)
• M5: 1,687,464 km (0.088 R)
• M6: 2,209,261 km (0.108 R)
• M7: 2,788,056 km (0.105 R)
• M8: 3,238,495 km (0.083 R)
• M9: 4,402,516 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.3

Radius: 10.9

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.42 AU - 1.84 AU

Year: 1436 Days

Day: 8.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,126,720 km

• M1: 135,835 km (0.095 R)
• M2: 736,022 km (0.119 R)
• M3: 1,122,582 km (0.118 R)
• M4: 1,561,802 km (0.103 R)
• M5: 2,083,898 km (0.04 R)
• M6: 2,455,948 km (0.039 R)
• M7: 2,898,309 km (0.094 R)
• M8: 3,481,591 km (0.116 R)
• M9: 4,431,837 km (0.063 R)
• M10: 5,266,743 km (0.053 R)
• M11: 5,732,291 km (0.061 R)
• M12: 6,425,677 km (0.108 R)
• M13: 7,247,119 km (0.072 R)
• M14: 8,190,334 km (0.076 R)
• M15: 8,872,500 km (0.077 R)
• M16: 9,503,953 km (0.11 R)
• M17: 10,506,857 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.1

Radius: 9.7

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.04 AU - 2.52 AU

Year: 2376 Days

Day: 10.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,126,720 km

• M1: 120,725 km (0.093 R)
• M2: 512,223 km (0.072 R)
• M3: 865,124 km (0.027 R)
• M4: 1,308,981 km (0.102 R)
• M5: 1,660,387 km (0.115 R)
• M6: 2,819,321 km (0.087 R)
• M7: 3,674,423 km (0.104 R)
• M8: 6,405,482 km (0.074 R)
• M9: 6,717,244 km (0.057 R)
• M10: 7,494,853 km (0.083 R)
• M11: 7,905,649 km (0.108 R)
• M12: 8,264,983 km (0.069 R)
• M13: 8,806,976 km (0.064 R)
• M14: 10,972,705 km (0.094 R)
• M15: 13,471,587 km (0.093 R)
• M16: 14,174,847 km (0.068 R)
• M17: 15,654,819 km (0.09 R)
• M18: 16,537,895 km (0.09 R)
• M19: 17,072,558 km (0.073 R)
• M20: 17,840,444 km (0.054 R)
• M21: 19,622,753 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.6

Radius: 12.4

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.82 AU - 3.7 AU

Year: 4063 Days

Day: 5.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,126,720 km

• M1: 154,235 km (0.115 R)
• M2: 888,462 km (0.084 R)
• M3: 1,594,564 km (0.104 R)
• M4: 2,141,494 km (0.08 R)
• M5: 3,425,342 km (0.076 R)
• M6: 4,573,656 km (0.04 R)
• M7: 5,648,516 km (0.117 R)
• M8: 6,744,470 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.7

Radius: 9.4

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.14 AU - 5.12 AU

Year: 5793 Days

Day: 12.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,126,720 km

• M1: 117,135 km (0.107 R)
• M2: 576,700 km (0.098 R)
• M3: 934,687 km (0.063 R)
• M4: 1,890,917 km (0.08 R)
• M5: 2,282,714 km (0.114 R)
• M6: 3,070,197 km (0.106 R)
• M7: 3,592,742 km (0.057 R)
• M8: 4,028,671 km (0.101 R)
• M9: 5,006,891 km (0.119 R)
• M10: 5,433,843 km (0.032 R)
• M11: 6,167,621 km (0.03 R)
• M12: 7,572,195 km (0.12 R)
• M13: 8,251,819 km (0.117 R)
• M14: 8,686,849 km (0.029 R)
• M15: 9,689,155 km (0.103 R)
• M16: 10,218,432 km (0.115 R)
• M17: 10,860,057 km (0.038 R)
• M18: 11,724,284 km (0.099 R)
• M19: 14,029,139 km (0.054 R)
• M20: 14,535,228 km (0.1 R)
• M21: 14,879,453 km (0.041 R)
• M22: 15,884,302 km (0.111 R)
• M23: 16,558,240 km (0.063 R)
• M24: 20,790,514 km (0.093 R)
• M25: 21,448,744 km (0.03 R)
• M26: 22,883,837 km (0.072 R)
• M27: 23,506,912 km (0.112 R)
• M28: 29,632,945 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.6

Radius: 12.8

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.92 AU - 4.82 AU

Year: 6306 Days

Day: 12.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,126,720 km

• M1: 159,322 km (0.05 R)
• M2: 1,226,403 km (0.106 R)
• M3: 1,716,037 km (0.115 R)
• M4: 2,336,420 km (0.104 R)
• M5: 3,524,825 km (0.093 R)
• M6: 3,962,399 km (0.072 R)
• M7: 4,868,663 km (0.079 R)
• M8: 6,724,424 km (0.088 R)
• M9: 7,866,454 km (0.043 R)
• M10: 8,933,386 km (0.071 R)
• M11: 10,181,033 km (0.085 R)
• M12: 13,175,084 km (0.102 R)
• M13: 13,593,211 km (0.059 R)
• M14: 14,401,189 km (0.075 R)
• M15: 15,127,037 km (0.111 R)
• M16: 17,141,373 km (0.076 R)
• M17: 18,798,020 km (0.096 R)
• M18: 20,006,022 km (0.114 R)
• M19: 22,725,113 km (0.045 R)
• M20: 24,017,938 km (0.104 R)
• M21: 26,666,568 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.6

Radius: 10.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.47 AU - 4.63 AU

Year: 6699 Days

Day: 5.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,126,720 km

• M1: 130,599 km (0.066 R)
• M2: 459,864 km (0.093 R)
• M3: 950,395 km (0.116 R)
• M4: 1,311,824 km (0.103 R)
• M5: 1,704,069 km (0.116 R)
• M6: 2,189,365 km (0.099 R)
• M7: 2,530,149 km (0.115 R)
• M8: 3,015,594 km (0.109 R)
• M9: 3,926,196 km (0.115 R)
• M10: 4,291,065 km (0.11 R)
• M11: 7,552,598 km (0.108 R)
• M12: 9,140,729 km (0.094 R)
• M13: 10,589,285 km (0.118 R)
• M14: 11,300,025 km (0.104 R)
• M15: 13,368,365 km (0.032 R)
• M16: 14,358,254 km (0.097 R)
• M17: 17,438,175 km (0.113 R)
• M18: 19,852,834 km (0.089 R)
• M19: 20,523,631 km (0.092 R)
• M20: 22,338,403 km (0.079 R)
• M21: 23,655,911 km (0.11 R)
• M22: 24,409,885 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.8

Radius: 3.6

Gravity: 52.76 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.33 AU - 8.88 AU

Year: 13059 Days

Day: 15.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,126,720 km

• M1: 44,730 km (0.113 R)
• M2: 167,550 km (0.116 R)
• M3: 949,049 km (0.098 R)
• M4: 1,097,001 km (0.112 R)
• M5: 1,368,671 km (0.113 R)
• M6: 1,588,879 km (0.051 R)
• M7: 1,748,500 km (0.069 R)
• M8: 2,062,805 km (0.118 R)
• M9: 2,175,602 km (0.11 R)
• M10: 2,668,676 km (0.117 R)
• M11: 2,965,030 km (0.11 R)
• M12: 3,158,161 km (0.075 R)
• M13: 3,650,188 km (0.061 R)
• M14: 4,623,472 km (0.053 R)
• M15: 5,611,267 km (0.09 R)
• M16: 11,849,797 km (0.113 R)
• M17: 12,521,342 km (0.091 R)
• M18: 14,006,699 km (0.071 R)
• M19: 16,115,281 km (0.094 R)
• M20: 18,105,980 km (0.104 R)
• M21: 20,773,609 km (0.115 R)
• M22: 22,752,191 km (0.088 R)
• M23: 25,647,657 km (0.119 R)
• M24: 26,871,518 km (0.113 R)
• M25: 28,996,854 km (0.071 R)
• M26: 29,325,072 km (0.035 R)
• M27: 31,807,798 km (0.088 R)
• M28: 33,100,025 km (0.112 R)
• M29: 34,549,329 km (0.041 R)
• M30: 35,165,373 km (0.11 R)
• M31: 37,963,601 km (0.056 R)
• M32: 38,619,588 km (0.097 R)
• M33: 40,360,608 km (0.102 R)
• M34: 41,457,609 km (0.069 R)
• M35: 46,490,979 km (0.052 R)
• M36: 51,756,076 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404

Radius: 5.3

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.6 AU - 8.7 AU

Year: 16060 Days

Day: 19.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,126,720 km

• M1: 65,973 km (0.061 R)
• M2: 397,781 km (0.082 R)
• M3: 1,465,162 km (0.119 R)
• M4: 3,232,660 km (0.106 R)
• M5: 5,083,336 km (0.101 R)
• M6: 6,079,358 km (0.1 R)
• M7: 8,033,406 km (0.119 R)
• M8: 8,263,188 km (0.106 R)
• M9: 10,262,863 km (0.098 R)
• M10: 14,567,541 km (0.081 R)
• M11: 16,849,657 km (0.118 R)
• M12: 18,549,986 km (0.062 R)
• M13: 24,619,920 km (0.08 R)
• M14: 26,599,249 km (0.089 R)
• M15: 33,051,555 km (0.05 R)
• M16: 39,672,458 km (0.095 R)
• M17: 45,507,223 km (0.095 R)
• M18: 51,099,491 km (0.085 R)
• M19: 53,653,426 km (0.088 R)
• M20: 53,978,502 km (0.092 R)
• M21: 55,126,666 km (0.109 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: 345 - 11,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit