🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.5

Radius: 9.3

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.77 AU - 0.79 AU

Year: 445 Days

Day: 5.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,776,045 km

• M1: 116,986 km (0.099 R)
• M2: 594,203 km (0.119 R)
• M3: 1,058,106 km (0.106 R)
• M4: 1,608,177 km (0.116 R)
• M5: 2,013,139 km (0.052 R)
• M6: 2,444,280 km (0.034 R)
• M7: 3,326,907 km (0.104 R)
• M8: 3,620,867 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.9

Radius: 13.3

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.97 AU - 1.13 AU

Year: 695 Days

Day: 7.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,776,045 km

• M1: 166,652 km (0.066 R)
• M2: 793,916 km (0.115 R)
• M3: 1,327,980 km (0.1 R)
• M4: 1,888,075 km (0.05 R)
• M5: 2,322,507 km (0.108 R)
• M6: 2,970,415 km (0.115 R)
• M7: 3,693,272 km (0.058 R)
• M8: 4,301,986 km (0.077 R)
• M9: 4,854,002 km (0.094 R)
• M10: 5,490,840 km (0.12 R)
• M11: 7,157,510 km (0.061 R)
• M12: 8,182,256 km (0.114 R)
• M13: 9,059,797 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.4

Radius: 12.5

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.1 AU - 1.62 AU

Year: 1024 Days

Day: 11.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,776,045 km

• M1: 155,432 km (0.087 R)
• M2: 626,815 km (0.067 R)
• M3: 1,146,817 km (0.119 R)
• M4: 1,807,292 km (0.081 R)
• M5: 2,303,957 km (0.115 R)
• M6: 2,971,762 km (0.091 R)
• M7: 4,494,219 km (0.113 R)
• M8: 5,115,948 km (0.101 R)
• M9: 5,902,085 km (0.102 R)
• M10: 7,156,164 km (0.112 R)
• M11: 7,611,540 km (0.031 R)
• M12: 9,271,178 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.7

Radius: 10.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.09 AU - 1.71 AU

Year: 1070 Days

Day: 9.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 64.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,776,045 km

• M1: 135,536 km (0.11 R)
• M2: 592,408 km (0.092 R)
• M3: 948,301 km (0.103 R)
• M4: 1,780,963 km (0.071 R)
• M5: 3,282,327 km (0.076 R)
• M6: 4,219,707 km (0.083 R)
• M7: 4,665,958 km (0.102 R)
• M8: 6,443,330 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.2

Radius: 9.1

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.52 AU - 2.12 AU

Year: 1585 Days

Day: 9.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,776,045 km

• M1: 114,442 km (0.114 R)
• M2: 400,324 km (0.119 R)
• M3: 806,632 km (0.115 R)
• M4: 1,117,047 km (0.112 R)
• M5: 1,756,877 km (0.108 R)
• M6: 2,903,545 km (0.104 R)
• M7: 3,969,430 km (0.114 R)
• M8: 4,506,785 km (0.073 R)
• M9: 6,532,939 km (0.11 R)
• M10: 6,851,134 km (0.074 R)
• M11: 7,492,011 km (0.063 R)
• M12: 7,840,724 km (0.061 R)
• M13: 9,593,113 km (0.109 R)
• M14: 12,059,533 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.5

Radius: 14.5

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.37 AU - 3.07 AU

Year: 2896 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,776,045 km

• M1: 180,265 km (0.082 R)
• M2: 728,990 km (0.074 R)
• M3: 1,558,062 km (0.085 R)
• M4: 2,021,516 km (0.085 R)
• M5: 2,578,768 km (0.103 R)
• M6: 3,974,516 km (0.032 R)
• M7: 4,703,507 km (0.112 R)
• M8: 5,542,003 km (0.088 R)
• M9: 6,077,862 km (0.081 R)
• M10: 6,771,398 km (0.096 R)
• M11: 12,062,525 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.8

Radius: 10.3

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.64 AU - 5.14 AU

Year: 5939 Days

Day: 7.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,776,045 km

• M1: 128,056 km (0.095 R)
• M2: 767,736 km (0.051 R)
• M3: 2,040,665 km (0.094 R)
• M4: 3,429,531 km (0.106 R)
• M5: 4,515,761 km (0.071 R)
• M6: 5,639,092 km (0.101 R)
• M7: 6,132,017 km (0.082 R)
• M8: 6,910,524 km (0.077 R)
• M9: 7,323,863 km (0.097 R)
• M10: 8,396,928 km (0.066 R)
• M11: 9,392,203 km (0.113 R)
• M12: 10,502,818 km (0.093 R)
• M13: 12,372,641 km (0.083 R)
• M14: 13,705,708 km (0.074 R)
• M15: 16,602,820 km (0.087 R)
• M16: 17,238,462 km (0.096 R)
• M17: 18,111,066 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.5

Radius: 7.2

Gravity: 14.13 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.02 AU - 8.18 AU

Year: 12215 Days

Day: 23.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,776,045 km

• M1: 89,609 km (0.072 R)
• M2: 389,254 km (0.057 R)
• M3: 660,923 km (0.094 R)
• M4: 1,202,468 km (0.059 R)
• M5: 1,539,811 km (0.095 R)
• M6: 1,904,830 km (0.088 R)
• M7: 2,210,757 km (0.118 R)
• M8: 3,014,995 km (0.114 R)
• M9: 3,255,998 km (0.104 R)
• M10: 6,044,951 km (0.045 R)
• M11: 7,163,943 km (0.079 R)
• M12: 7,997,951 km (0.045 R)
• M13: 8,749,231 km (0.115 R)
• M14: 9,962,919 km (0.041 R)
• M15: 10,391,367 km (0.103 R)
• M16: 10,665,431 km (0.111 R)
• M17: 11,869,095 km (0.08 R)
• M18: 13,160,873 km (0.092 R)
• M19: 13,742,210 km (0.09 R)
• M20: 14,206,113 km (0.099 R)
• M21: 15,447,027 km (0.09 R)
• M22: 17,441,317 km (0.111 R)
• M23: 17,750,835 km (0.104 R)
• M24: 18,142,631 km (0.085 R)
• M25: 18,540,263 km (0.108 R)
• M26: 23,587,246 km (0.071 R)
• M27: 24,540,932 km (0.11 R)
• M28: 25,223,847 km (0.115 R)
• M29: 26,322,194 km (0.099 R)
• M30: 28,936,716 km (0.094 R)
• M31: 36,408,531 km (0.037 R)
• M32: 38,068,769 km (0.066 R)
• M33: 39,115,206 km (0.083 R)
• M34: 52,240,624 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.5

Radius: 6.5

Gravity: 13.41 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.6 AU - 9 AU

Year: 15439 Days

Day: 21.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,776,045 km

• M1: 100,530 km (0.116 R)
• M2: 345,571 km (0.098 R)
• M3: 568,173 km (0.079 R)
• M4: 1,185,264 km (0.073 R)
• M5: 1,470,248 km (0.091 R)
• M6: 1,733,989 km (0.058 R)
• M7: 5,021,402 km (0.1 R)
• M8: 6,233,294 km (0.082 R)
• M9: 7,142,251 km (0.107 R)
• M10: 10,121,493 km (0.097 R)
• M11: 10,565,200 km (0.118 R)
• M12: 11,974,412 km (0.112 R)
• M13: 13,704,511 km (0.082 R)
• M14: 15,232,354 km (0.106 R)
• M15: 15,521,976 km (0.102 R)
• M16: 15,741,436 km (0.113 R)
• M17: 16,412,532 km (0.062 R)
• M18: 18,953,452 km (0.101 R)
• M19: 19,542,419 km (0.076 R)
• M20: 20,668,143 km (0.119 R)
• M21: 22,390,463 km (0.107 R)
• M22: 23,334,425 km (0.101 R)
• M23: 24,600,771 km (0.112 R)
• M24: 25,402,466 km (0.089 R)
• M25: 27,057,767 km (0.113 R)
• M26: 27,375,962 km (0.048 R)
• M27: 28,345,655 km (0.118 R)
• M28: 29,115,486 km (0.106 R)
• M29: 30,353,258 km (0.068 R)
• M30: 31,042,905 km (0.069 R)
• M31: 34,649,111 km (0.069 R)
• M32: 35,276,075 km (0.118 R)
• M33: 39,878,454 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.7

Radius: 7.4

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.66 AU - 12.18 AU

Year: 21718 Days

Day: 20.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 77.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,776,045 km

• M1: 92,003 km (0.076 R)
• M2: 533,167 km (0.091 R)
• M3: 1,105,977 km (0.09 R)
• M4: 1,723,517 km (0.119 R)
• M5: 2,184,428 km (0.095 R)
• M6: 2,853,280 km (0.099 R)
• M7: 3,123,005 km (0.118 R)
• M8: 3,937,566 km (0.072 R)
• M9: 4,204,149 km (0.053 R)
• M10: 4,811,068 km (0.04 R)
• M11: 5,474,983 km (0.115 R)
• M12: 6,066,343 km (0.071 R)
• M13: 9,323,538 km (0.056 R)
• M14: 10,669,619 km (0.076 R)
• M15: 12,140,466 km (0.087 R)
• M16: 15,893,128 km (0.092 R)
• M17: 16,657,573 km (0.087 R)
• M18: 17,180,717 km (0.107 R)
• M19: 20,751,319 km (0.084 R)
• M20: 22,815,770 km (0.12 R)
• M21: 24,118,019 km (0.068 R)
• M22: 25,240,602 km (0.09 R)
• M23: 27,710,612 km (0.092 R)
• M24: 28,444,838 km (0.069 R)
• M25: 29,952,186 km (0.064 R)
• M26: 31,248,452 km (0.099 R)
• M27: 32,043,864 km (0.112 R)
• M28: 43,155,994 km (0.103 R)
• M29: 43,483,164 km (0.066 R)
• M30: 44,808,003 km (0.115 R)
• M31: 56,000,766 km (0.043 R)
• M32: 57,173,763 km (0.114 R)
• M33: 62,864,316 km (0.07 R)
• M34: 66,933,678 km (0.119 R)
• M35: 70,267,765 km (0.117 R)
• M36: 77,505,759 km (0.061 R)
• M37: 82,429,923 km (0.115 R)
• M38: 85,998,281 km (0.061 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 15,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit