🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 10.7

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.51 AU - 0.53 AU

Year: 254 Days

Day: 12.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,901,626 km

• M1: 133,441 km (0.066 R)
• M2: 484,548 km (0.045 R)
• M3: 827,875 km (0.119 R)
• M4: 1,185,264 km (0.116 R)
• M5: 1,614,610 km (0.073 R)
• M6: 2,026,453 km (0.085 R)
• M7: 2,470,459 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.5

Radius: 10.6

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.49 AU - 0.65 AU

Year: 292 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,901,626 km

• M1: 136,583 km (0.089 R)
• M2: 503,995 km (0.077 R)
• M3: 1,078,301 km (0.09 R)
• M4: 1,536,221 km (0.058 R)
• M5: 1,904,381 km (0.114 R)
• M6: 2,744,223 km (0.117 R)
• M7: 3,109,242 km (0.083 R)
• M8: 3,552,949 km (0.118 R)
• M9: 4,025,978 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.8

Radius: 13.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.54 AU - 0.78 AU

Year: 364 Days

Day: 5.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,901,626 km

• M1: 170,392 km (0.111 R)
• M2: 601,533 km (0.08 R)
• M3: 1,089,820 km (0.09 R)
• M4: 1,651,560 km (0.115 R)
• M5: 2,147,627 km (0.076 R)
• M6: 2,871,830 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.6

Radius: 9.5

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.05 AU - 1.55 AU

Year: 1005 Days

Day: 7.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,901,626 km

• M1: 129,402 km (0.05 R)
• M2: 466,745 km (0.084 R)
• M3: 1,093,560 km (0.105 R)
• M4: 1,397,394 km (0.072 R)
• M5: 1,840,054 km (0.117 R)
• M6: 2,869,287 km (0.03 R)
• M7: 3,799,636 km (0.052 R)
• M8: 4,210,731 km (0.113 R)
• M9: 4,564,081 km (0.118 R)
• M10: 5,103,531 km (0.106 R)
• M11: 5,847,332 km (0.053 R)
• M12: 8,252,866 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.9

Radius: 8.7

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.98 AU - 2.2 AU

Year: 2049 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,901,626 km

• M1: 108,309 km (0.08 R)
• M2: 464,501 km (0.036 R)
• M3: 747,092 km (0.107 R)
• M4: 1,086,081 km (0.06 R)
• M5: 2,036,326 km (0.108 R)
• M6: 2,357,812 km (0.104 R)
• M7: 2,880,657 km (0.116 R)
• M8: 3,356,527 km (0.104 R)
• M9: 4,854,451 km (0.071 R)
• M10: 6,615,816 km (0.068 R)
• M11: 6,894,367 km (0.089 R)
• M12: 7,474,807 km (0.041 R)
• M13: 7,777,145 km (0.089 R)
• M14: 8,601,578 km (0.099 R)
• M15: 9,659,235 km (0.094 R)
• M16: 11,266,664 km (0.048 R)
• M17: 12,195,966 km (0.111 R)
• M18: 13,351,311 km (0.107 R)
• M19: 14,671,662 km (0.075 R)
• M20: 15,050,743 km (0.074 R)
• M21: 15,631,482 km (0.114 R)
• M22: 16,076,984 km (0.063 R)
• M23: 16,479,851 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.2

Radius: 13.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.86 AU - 2.96 AU

Year: 2538 Days

Day: 9 Hours

Environment

Temp: -205 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,901,626 km

• M1: 170,841 km (0.059 R)
• M2: 765,193 km (0.077 R)
• M3: 1,419,684 km (0.09 R)
• M4: 2,089,134 km (0.093 R)
• M5: 2,538,526 km (0.057 R)
• M6: 3,830,154 km (0.056 R)
• M7: 4,412,389 km (0.107 R)
• M8: 4,945,855 km (0.058 R)
• M9: 5,499,218 km (0.12 R)
• M10: 6,143,087 km (0.078 R)
• M11: 7,440,101 km (0.054 R)
• M12: 8,019,343 km (0.101 R)
• M13: 8,691,187 km (0.107 R)
• M14: 9,566,634 km (0.09 R)
• M15: 10,252,391 km (0.049 R)
• M16: 10,824,453 km (0.083 R)
• M17: 11,379,910 km (0.095 R)
• M18: 13,037,604 km (0.045 R)
• M19: 13,881,186 km (0.028 R)
• M20: 15,677,558 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.1

Radius: 11.1

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.27 AU - 2.91 AU

Year: 2827 Days

Day: 8 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,901,626 km

• M1: 138,079 km (0.09 R)
• M2: 499,507 km (0.106 R)
• M3: 1,108,819 km (0.095 R)
• M4: 1,724,115 km (0.042 R)
• M5: 2,163,335 km (0.107 R)
• M6: 2,882,003 km (0.068 R)
• M7: 3,342,166 km (0.095 R)
• M8: 3,792,156 km (0.091 R)
• M9: 4,218,810 km (0.079 R)
• M10: 5,541,554 km (0.12 R)
• M11: 8,100,126 km (0.119 R)
• M12: 10,319,112 km (0.069 R)
• M13: 13,698,378 km (0.106 R)
• M14: 15,817,731 km (0.093 R)
• M15: 16,820,485 km (0.113 R)
• M16: 20,634,782 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.4

Radius: 10.3

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.88 AU - 3.52 AU

Year: 3883 Days

Day: 5.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,901,626 km

• M1: 128,056 km (0.058 R)
• M2: 500,106 km (0.095 R)
• M3: 854,802 km (0.072 R)
• M4: 2,457,893 km (0.047 R)
• M5: 4,062,181 km (0.082 R)
• M6: 5,152,151 km (0.092 R)
• M7: 6,060,210 km (0.05 R)
• M8: 9,345,678 km (0.065 R)
• M9: 10,692,508 km (0.062 R)
• M10: 11,458,748 km (0.119 R)
• M11: 11,878,819 km (0.077 R)
• M12: 13,150,850 km (0.05 R)
• M13: 13,508,239 km (0.081 R)
• M14: 13,977,378 km (0.091 R)
• M15: 14,403,582 km (0.044 R)
• M16: 15,058,970 km (0.059 R)
• M17: 16,370,645 km (0.112 R)
• M18: 18,068,431 km (0.076 R)

Asteroid Belt

Center: 3.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.5

Radius: 12.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.49 AU - 4.51 AU

Year: 6475 Days

Day: 5.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,901,626 km

• M1: 160,369 km (0.094 R)
• M2: 589,266 km (0.096 R)
• M3: 1,151,006 km (0.12 R)
• M4: 1,589,328 km (0.1 R)
• M5: 2,379,504 km (0.112 R)
• M6: 2,781,473 km (0.116 R)
• M7: 3,460,498 km (0.1 R)
• M8: 5,094,555 km (0.082 R)
• M9: 5,618,597 km (0.101 R)
• M10: 7,447,132 km (0.093 R)
• M11: 7,970,126 km (0.104 R)
• M12: 9,131,753 km (0.096 R)
• M13: 14,926,277 km (0.116 R)
• M14: 15,578,374 km (0.112 R)
• M15: 17,780,904 km (0.047 R)
• M16: 21,875,996 km (0.081 R)
• M17: 22,332,569 km (0.086 R)
• M18: 22,795,574 km (0.078 R)
• M19: 23,581,412 km (0.113 R)
• M20: 25,290,567 km (0.098 R)
• M21: 26,474,934 km (0.046 R)
• M22: 27,519,276 km (0.101 R)
• M23: 32,266,166 km (0.08 R)
• M24: 32,759,091 km (0.059 R)
• M25: 33,558,243 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.8

Radius: 3.6

Gravity: 50.06 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.24 AU - 9.34 AU

Year: 16189 Days

Day: 17.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 64,901,626 km

• M1: 56,099 km (0.096 R)
• M2: 234,420 km (0.051 R)
• M3: 363,373 km (0.084 R)
• M4: 563,685 km (0.077 R)
• M5: 725,998 km (0.081 R)
• M6: 1,158,636 km (0.053 R)
• M7: 1,293,124 km (0.039 R)
• M8: 2,661,945 km (0.118 R)
• M9: 3,492,362 km (0.092 R)
• M10: 4,011,617 km (0.039 R)
• M11: 4,353,148 km (0.105 R)
• M12: 5,023,496 km (0.082 R)
• M13: 5,994,387 km (0.11 R)
• M14: 6,735,495 km (0.076 R)
• M15: 7,721,943 km (0.098 R)
• M16: 8,054,948 km (0.12 R)
• M17: 14,123,984 km (0.079 R)
• M18: 14,911,317 km (0.069 R)
• M19: 16,031,506 km (0.095 R)
• M20: 18,521,862 km (0.094 R)
• M21: 22,867,680 km (0.099 R)
• M22: 23,159,845 km (0.086 R)
• M23: 23,553,287 km (0.119 R)
• M24: 24,454,764 km (0.099 R)
• M25: 28,068,151 km (0.062 R)
• M26: 29,654,038 km (0.072 R)
• M27: 30,351,613 km (0.1 R)
• M28: 31,658,799 km (0.114 R)
• M29: 33,376,183 km (0.105 R)
• M30: 35,804,754 km (0.069 R)
• M31: 42,021,144 km (0.119 R)
• M32: 46,386,111 km (0.075 R)
• M33: 46,697,873 km (0.09 R)
• M34: 46,854,203 km (0.084 R)
• M35: 48,597,467 km (0.092 R)
• M36: 49,241,934 km (0.084 R)
• M37: 53,399,708 km (0.072 R)
• M38: 58,872,447 km (0.112 R)
• M39: 59,054,956 km (0.116 R)
• M40: 59,604,728 km (0.107 R)
• M41: 61,649,881 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 11,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit