🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.8

Radius: 10.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.21 AU - 1.43 AU

Year: 1047 Days

Day: 8.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,976,076 km

• M1: 128,505 km (0.104 R)
• M2: 551,867 km (0.062 R)
• M3: 930,798 km (0.044 R)
• M4: 2,024,658 km (0.08 R)
• M5: 2,438,296 km (0.104 R)
• M6: 3,164,893 km (0.079 R)
• M7: 3,491,016 km (0.063 R)
• M8: 4,135,184 km (0.119 R)
• M9: 5,062,841 km (0.103 R)
• M10: 5,946,964 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997

Radius: 11

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.2 AU - 1.92 AU

Year: 1345 Days

Day: 5.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,976,076 km

• M1: 140,173 km (0.092 R)
• M2: 545,434 km (0.052 R)
• M3: 1,364,632 km (0.089 R)
• M4: 2,239,331 km (0.074 R)
• M5: 2,630,230 km (0.09 R)
• M6: 3,584,664 km (0.076 R)
• M7: 4,403,413 km (0.084 R)
• M8: 5,170,102 km (0.116 R)
• M9: 5,952,948 km (0.089 R)
• M10: 6,659,798 km (0.101 R)
• M11: 7,020,778 km (0.097 R)
• M12: 8,871,154 km (0.052 R)
• M13: 9,992,390 km (0.104 R)
• M14: 11,277,884 km (0.091 R)
• M15: 13,469,643 km (0.116 R)
• M16: 14,090,623 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.1

Radius: 9.3

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.08 AU - 2.56 AU

Year: 2439 Days

Day: 7.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,976,076 km

• M1: 116,686 km (0.107 R)
• M2: 487,240 km (0.096 R)
• M3: 871,557 km (0.1 R)
• M4: 1,249,142 km (0.098 R)
• M5: 1,646,025 km (0.109 R)
• M6: 2,023,311 km (0.102 R)
• M7: 2,839,816 km (0.026 R)
• M8: 3,261,234 km (0.099 R)
• M9: 3,590,050 km (0.089 R)
• M10: 4,644,864 km (0.078 R)
• M11: 5,158,883 km (0.106 R)
• M12: 5,454,937 km (0.1 R)
• M13: 5,762,510 km (0.081 R)
• M14: 6,668,325 km (0.094 R)
• M15: 7,446,683 km (0.043 R)
• M16: 7,761,736 km (0.094 R)
• M17: 8,520,347 km (0.106 R)
• M18: 9,400,132 km (0.066 R)
• M19: 10,612,922 km (0.036 R)
• M20: 14,875,563 km (0.118 R)
• M21: 15,940,252 km (0.065 R)
• M22: 16,731,325 km (0.109 R)
• M23: 19,144,339 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.4

Radius: 13.4

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.61 AU - 5.03 AU

Year: 6198 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,976,076 km

• M1: 166,652 km (0.113 R)
• M2: 706,252 km (0.037 R)
• M3: 1,149,360 km (0.076 R)
• M4: 1,742,965 km (0.065 R)
• M5: 2,509,654 km (0.079 R)
• M6: 3,155,019 km (0.096 R)
• M7: 4,160,018 km (0.088 R)
• M8: 4,609,260 km (0.073 R)
• M9: 5,274,671 km (0.096 R)
• M10: 6,688,371 km (0.1 R)
• M11: 9,026,885 km (0.086 R)
• M12: 9,962,919 km (0.079 R)
• M13: 10,436,396 km (0.103 R)
• M14: 14,876,910 km (0.111 R)
• M15: 16,232,416 km (0.052 R)
• M16: 17,249,981 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.7

Radius: 6.1

Gravity: 14.99 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.67 AU - 9.49 AU

Year: 15854 Days

Day: 18.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,976,076 km

• M1: 75,846 km (0.088 R)
• M2: 343,926 km (0.119 R)
• M3: 731,833 km (0.097 R)
• M4: 1,002,904 km (0.073 R)
• M5: 1,339,799 km (0.084 R)
• M6: 2,162,288 km (0.098 R)
• M7: 2,464,625 km (0.112 R)
• M8: 2,772,049 km (0.103 R)
• M9: 3,080,220 km (0.083 R)
• M10: 3,463,789 km (0.097 R)
• M11: 3,708,980 km (0.053 R)
• M12: 4,326,370 km (0.12 R)
• M13: 5,651,209 km (0.119 R)
• M14: 5,876,803 km (0.118 R)
• M15: 6,305,849 km (0.101 R)
• M16: 6,589,637 km (0.066 R)
• M17: 9,753,033 km (0.108 R)
• M18: 10,298,467 km (0.047 R)
• M19: 12,622,021 km (0.104 R)
• M20: 13,138,433 km (0.034 R)
• M21: 13,335,603 km (0.101 R)
• M22: 14,421,235 km (0.106 R)
• M23: 14,985,668 km (0.103 R)
• M24: 15,637,914 km (0.115 R)
• M25: 19,525,664 km (0.071 R)
• M26: 22,385,227 km (0.086 R)
• M27: 29,252,368 km (0.094 R)
• M28: 36,616,323 km (0.075 R)
• M29: 38,465,053 km (0.093 R)
• M30: 45,275,197 km (0.093 R)
• M31: 54,863,074 km (0.106 R)
• M32: 56,582,103 km (0.093 R)
• M33: 58,692,181 km (0.086 R)
• M34: 60,127,573 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.3

Radius: 4.5

Gravity: 44.46 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.95 AU - 10.59 AU

Year: 17927 Days

Day: 16.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,976,076 km

• M1: 57,296 km (0.085 R)
• M2: 250,726 km (0.086 R)
• M3: 423,063 km (0.1 R)
• M4: 1,139,786 km (0.12 R)
• M5: 1,339,799 km (0.078 R)
• M6: 1,886,280 km (0.103 R)
• M7: 2,788,205 km (0.037 R)
• M8: 3,207,827 km (0.062 R)
• M9: 4,755,716 km (0.097 R)
• M10: 4,937,328 km (0.047 R)
• M11: 5,874,708 km (0.089 R)
• M12: 6,561,961 km (0.085 R)
• M13: 7,494,554 km (0.043 R)
• M14: 11,132,326 km (0.094 R)
• M15: 13,435,983 km (0.099 R)
• M16: 16,947,943 km (0.027 R)
• M17: 19,049,942 km (0.059 R)
• M18: 22,315,963 km (0.056 R)
• M19: 23,135,161 km (0.066 R)
• M20: 24,187,283 km (0.081 R)
• M21: 27,302,210 km (0.109 R)
• M22: 27,885,193 km (0.087 R)
• M23: 35,403,982 km (0.119 R)
• M24: 39,254,332 km (0.031 R)
• M25: 39,550,087 km (0.028 R)
• M26: 43,217,030 km (0.053 R)
• M27: 43,532,382 km (0.103 R)
• M28: 50,866,268 km (0.075 R)
• M29: 61,137,209 km (0.074 R)
• M30: 63,751,731 km (0.107 R)
• M31: 76,557,458 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.3

Radius: 4.7

Gravity: 41.21 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.47 AU - 11.47 AU

Year: 20116 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,976,076 km

• M1: 58,493 km (0.099 R)
• M2: 247,136 km (0.119 R)
• M3: 1,307,785 km (0.116 R)
• M4: 2,042,310 km (0.114 R)
• M5: 2,369,780 km (0.103 R)
• M6: 3,625,654 km (0.034 R)
• M7: 4,172,733 km (0.115 R)
• M8: 6,187,368 km (0.074 R)
• M9: 7,453,415 km (0.103 R)
• M10: 8,550,416 km (0.108 R)
• M11: 8,715,572 km (0.033 R)
• M12: 10,236,533 km (0.109 R)
• M13: 18,457,984 km (0.083 R)
• M14: 19,673,766 km (0.085 R)
• M15: 20,058,382 km (0.104 R)
• M16: 20,447,935 km (0.105 R)
• M17: 21,443,957 km (0.076 R)
• M18: 30,475,779 km (0.107 R)
• M19: 33,379,174 km (0.103 R)
• M20: 35,745,214 km (0.092 R)
• M21: 39,881,745 km (0.065 R)
• M22: 45,486,729 km (0.12 R)
• M23: 45,821,977 km (0.066 R)
• M24: 46,327,917 km (0.093 R)
• M25: 59,417,432 km (0.077 R)
• M26: 64,978,882 km (0.061 R)
• M27: 67,994,626 km (0.098 R)
• M28: 69,536,830 km (0.1 R)
• M29: 73,379,252 km (0.069 R)
• M30: 80,500,709 km (0.056 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: 311 - 12,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit