🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.8

Radius: 10.4

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.51 AU - 0.63 AU

Year: 287 Days

Day: 8.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,493,464 km

• M1: 129,402 km (0.076 R)
• M2: 460,462 km (0.045 R)
• M3: 784,342 km (0.048 R)
• M4: 1,186,610 km (0.093 R)
• M5: 1,830,480 km (0.076 R)
• M6: 2,306,650 km (0.099 R)
• M7: 2,656,709 km (0.085 R)
• M8: 3,196,607 km (0.08 R)
• M9: 3,657,070 km (0.118 R)
• M10: 3,988,429 km (0.099 R)
• M11: 4,417,775 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.8

Radius: 8.6

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.68 AU - 0.92 AU

Year: 477 Days

Day: 6.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,493,464 km

• M1: 106,962 km (0.053 R)
• M2: 443,857 km (0.093 R)
• M3: 711,338 km (0.084 R)
• M4: 993,928 km (0.094 R)
• M5: 1,417,141 km (0.072 R)
• M6: 1,932,655 km (0.071 R)
• M7: 2,275,234 km (0.091 R)
• M8: 2,558,572 km (0.112 R)
• M9: 2,833,683 km (0.104 R)
• M10: 3,140,059 km (0.088 R)
• M11: 3,444,341 km (0.06 R)
• M12: 3,729,924 km (0.084 R)
• M13: 4,320,686 km (0.117 R)
• M14: 4,773,369 km (0.077 R)
• M15: 5,225,154 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539

Radius: 13.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.83 AU - 0.99 AU

Year: 579 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,493,464 km

• M1: 170,392 km (0.107 R)
• M2: 634,893 km (0.076 R)
• M3: 1,061,995 km (0.093 R)
• M4: 1,536,221 km (0.073 R)
• M5: 2,489,309 km (0.052 R)
• M6: 3,092,936 km (0.106 R)
• M7: 3,913,032 km (0.089 R)
• M8: 5,000,159 km (0.08 R)
• M9: 5,477,975 km (0.054 R)
• M10: 5,950,106 km (0.117 R)
• M11: 6,602,801 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.2

Radius: 8.1

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.78 AU - 2 AU

Year: 1733 Days

Day: 12.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,493,464 km

• M1: 100,829 km (0.105 R)
• M2: 373,995 km (0.043 R)
• M3: 664,065 km (0.067 R)
• M4: 1,264,850 km (0.078 R)
• M5: 1,967,960 km (0.098 R)
• M6: 2,323,853 km (0.106 R)
• M7: 2,750,506 km (0.085 R)
• M8: 3,244,329 km (0.08 R)
• M9: 3,796,046 km (0.03 R)
• M10: 5,107,122 km (0.058 R)
• M11: 5,392,854 km (0.097 R)
• M12: 6,290,142 km (0.086 R)
• M13: 6,696,449 km (0.051 R)
• M14: 6,985,921 km (0.087 R)
• M15: 7,618,122 km (0.082 R)
• M16: 8,257,952 km (0.063 R)
• M17: 8,807,724 km (0.093 R)
• M18: 9,878,695 km (0.113 R)
• M19: 10,746,064 km (0.103 R)
• M20: 11,438,552 km (0.101 R)
• M21: 12,791,665 km (0.091 R)
• M22: 13,238,065 km (0.111 R)
• M23: 13,821,198 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586

Radius: 8.9

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.65 AU - 2.35 AU

Year: 1886 Days

Day: 7.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,493,464 km

• M1: 110,702 km (0.05 R)
• M2: 396,584 km (0.09 R)
• M3: 715,377 km (0.093 R)
• M4: 1,350,420 km (0.052 R)
• M5: 1,652,907 km (0.09 R)
• M6: 2,116,211 km (0.091 R)
• M7: 2,595,673 km (0.113 R)
• M8: 3,208,276 km (0.099 R)
• M9: 3,532,455 km (0.107 R)
• M10: 4,304,080 km (0.051 R)
• M11: 4,822,736 km (0.114 R)
• M12: 5,771,486 km (0.112 R)
• M13: 6,503,618 km (0.119 R)
• M14: 7,187,131 km (0.119 R)
• M15: 8,093,095 km (0.046 R)
• M16: 8,635,088 km (0.03 R)
• M17: 11,677,759 km (0.07 R)
• M18: 13,008,283 km (0.12 R)
• M19: 13,626,272 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935

Radius: 10.7

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.99 AU - 3.05 AU

Year: 3500 Days

Day: 15 Hours

Environment

Temp: -205 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,493,464 km

• M1: 147,504 km (0.084 R)
• M2: 487,240 km (0.072 R)
• M3: 1,338,602 km (0.095 R)
• M4: 1,852,620 km (0.111 R)
• M5: 2,417,202 km (0.055 R)
• M6: 2,791,795 km (0.112 R)
• M7: 3,148,886 km (0.083 R)
• M8: 3,496,551 km (0.082 R)
• M9: 3,870,097 km (0.081 R)
• M10: 4,386,060 km (0.1 R)
• M11: 5,049,975 km (0.095 R)
• M12: 5,951,003 km (0.108 R)
• M13: 7,755,303 km (0.091 R)
• M14: 8,285,179 km (0.107 R)
• M15: 9,776,819 km (0.079 R)
• M16: 11,485,077 km (0.09 R)
• M17: 11,895,275 km (0.081 R)
• M18: 13,086,523 km (0.117 R)
• M19: 15,101,307 km (0.109 R)
• M20: 15,928,583 km (0.095 R)
• M21: 16,324,868 km (0.032 R)
• M22: 18,037,314 km (0.071 R)
• M23: 18,592,173 km (0.12 R)
• M24: 19,996,897 km (0.108 R)
• M25: 21,334,003 km (0.1 R)
• M26: 23,088,187 km (0.036 R)
• M27: 24,709,679 km (0.107 R)
• M28: 25,780,351 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.2

Radius: 6.6

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.11 AU - 8.19 AU

Year: 15516 Days

Day: 24.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,493,464 km

• M1: 83,176 km (0.109 R)
• M2: 356,791 km (0.093 R)
• M3: 718,219 km (0.077 R)
• M4: 1,185,563 km (0.036 R)
• M5: 1,824,795 km (0.073 R)
• M6: 2,098,709 km (0.105 R)
• M7: 6,692,410 km (0.072 R)
• M8: 6,906,036 km (0.052 R)
• M9: 10,587,041 km (0.051 R)
• M10: 14,198,035 km (0.086 R)
• M11: 29,209,433 km (0.048 R)
• M12: 35,590,231 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.3

Radius: 6.8

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.89 AU - 10.07 AU

Year: 16467 Days

Day: 16.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,493,464 km

• M1: 84,822 km (0.084 R)
• M2: 377,884 km (0.099 R)
• M3: 808,128 km (0.079 R)
• M4: 1,074,562 km (0.074 R)
• M5: 2,328,042 km (0.041 R)
• M6: 3,068,103 km (0.057 R)
• M7: 4,411,043 km (0.092 R)
• M8: 4,700,814 km (0.119 R)
• M9: 6,672,813 km (0.076 R)
• M10: 7,229,915 km (0.114 R)
• M11: 8,242,693 km (0.087 R)
• M12: 9,087,771 km (0.119 R)
• M13: 12,533,459 km (0.1 R)
• M14: 13,784,097 km (0.041 R)
• M15: 16,684,950 km (0.06 R)
• M16: 20,231,167 km (0.061 R)
• M17: 20,942,206 km (0.091 R)
• M18: 21,761,853 km (0.103 R)
• M19: 22,602,742 km (0.113 R)
• M20: 23,271,445 km (0.072 R)
• M21: 23,562,113 km (0.106 R)
• M22: 28,327,554 km (0.093 R)
• M23: 31,168,716 km (0.082 R)
• M24: 36,751,559 km (0.072 R)
• M25: 38,480,462 km (0.078 R)
• M26: 40,402,196 km (0.118 R)
• M27: 44,584,653 km (0.083 R)
• M28: 51,467,801 km (0.064 R)
• M29: 53,292,745 km (0.054 R)
• M30: 56,896,109 km (0.095 R)
• M31: 59,567,030 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.3

Radius: 6.1

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.2 AU - 10.96 AU

Year: 18246 Days

Day: 20.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,493,464 km

• M1: 75,846 km (0.031 R)
• M2: 311,463 km (0.116 R)
• M3: 539,450 km (0.117 R)
• M4: 804,238 km (0.119 R)
• M5: 1,166,714 km (0.083 R)
• M6: 1,587,084 km (0.055 R)
• M7: 2,882,901 km (0.112 R)
• M8: 3,702,996 km (0.097 R)
• M9: 5,647,768 km (0.107 R)
• M10: 6,281,465 km (0.106 R)
• M11: 6,920,248 km (0.094 R)
• M12: 7,128,488 km (0.105 R)
• M13: 8,186,893 km (0.066 R)
• M14: 10,018,121 km (0.106 R)
• M15: 11,926,690 km (0.099 R)
• M16: 12,654,633 km (0.1 R)
• M17: 13,347,421 km (0.111 R)
• M18: 14,065,192 km (0.095 R)
• M19: 15,577,626 km (0.068 R)
• M20: 16,743,442 km (0.106 R)
• M21: 17,732,584 km (0.071 R)
• M22: 18,281,009 km (0.039 R)
• M23: 19,660,003 km (0.091 R)
• M24: 20,247,623 km (0.083 R)
• M25: 21,194,278 km (0.113 R)
• M26: 21,545,833 km (0.111 R)
• M27: 21,990,588 km (0.084 R)
• M28: 30,408,310 km (0.115 R)
• M29: 36,442,789 km (0.114 R)
• M30: 38,880,786 km (0.118 R)
• M31: 43,794,178 km (0.094 R)
• M32: 52,714,998 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: 285 - 15,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit