🌌 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: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.6

Radius: 10.3

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.72 AU - 0.82 AU

Year: 451 Days

Day: 9.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,864,246 km

• M1: 128,056 km (0.115 R)
• M2: 509,381 km (0.051 R)
• M3: 841,039 km (0.115 R)
• M4: 1,311,824 km (0.099 R)
• M5: 1,831,377 km (0.043 R)
• M6: 2,198,939 km (0.05 R)
• M7: 2,574,879 km (0.089 R)
• M8: 3,050,749 km (0.085 R)
• M9: 3,470,521 km (0.034 R)
• M10: 4,123,217 km (0.054 R)
• M11: 4,622,574 km (0.09 R)
• M12: 4,950,942 km (0.052 R)
• M13: 5,413,199 km (0.068 R)
• M14: 6,539,521 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.9

Radius: 10.1

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.63 AU - 0.95 AU

Year: 468 Days

Day: 12.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,864,246 km

• M1: 125,662 km (0.092 R)
• M2: 450,738 km (0.109 R)
• M3: 1,105,528 km (0.061 R)
• M4: 1,519,914 km (0.098 R)
• M5: 1,907,223 km (0.048 R)
• M6: 2,697,848 km (0.113 R)
• M7: 3,026,515 km (0.1 R)
• M8: 3,348,599 km (0.106 R)
• M9: 3,875,034 km (0.088 R)
• M10: 4,348,511 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.9

Radius: 9.5

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.24 AU - 1.76 AU

Year: 1225 Days

Day: 5.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,864,246 km

• M1: 118,182 km (0.103 R)
• M2: 436,975 km (0.096 R)
• M3: 775,067 km (0.101 R)
• M4: 1,414,747 km (0.045 R)
• M5: 1,789,639 km (0.071 R)
• M6: 2,177,098 km (0.079 R)
• M7: 2,755,742 km (0.119 R)
• M8: 3,163,845 km (0.095 R)
• M9: 3,734,561 km (0.042 R)
• M10: 4,202,204 km (0.117 R)
• M11: 5,615,156 km (0.09 R)
• M12: 6,772,445 km (0.116 R)
• M13: 7,925,546 km (0.107 R)
• M14: 8,293,108 km (0.061 R)
• M15: 8,810,118 km (0.095 R)
• M16: 9,176,034 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707

Radius: 12.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2 AU - 2.54 AU

Year: 2281 Days

Day: 7.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,864,246 km

• M1: 160,369 km (0.096 R)
• M2: 620,532 km (0.106 R)
• M3: 1,645,876 km (0.072 R)
• M4: 4,031,513 km (0.103 R)
• M5: 5,150,655 km (0.093 R)
• M6: 5,672,302 km (0.098 R)
• M7: 6,520,822 km (0.069 R)
• M8: 7,075,231 km (0.049 R)
• M9: 7,481,838 km (0.09 R)
• M10: 9,684,817 km (0.068 R)
• M11: 11,440,946 km (0.108 R)
• M12: 11,962,145 km (0.092 R)
• M13: 14,161,533 km (0.102 R)
• M14: 17,497,416 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.1

Radius: 8.7

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.35 AU - 2.39 AU

Year: 2433 Days

Day: 10.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,864,246 km

• M1: 110,104 km (0.087 R)
• M2: 804,388 km (0.119 R)
• M3: 1,166,714 km (0.115 R)
• M4: 1,547,590 km (0.083 R)
• M5: 2,085,095 km (0.041 R)
• M6: 2,525,511 km (0.039 R)
• M7: 3,040,876 km (0.1 R)
• M8: 3,819,084 km (0.115 R)
• M9: 4,629,306 km (0.061 R)
• M10: 6,166,873 km (0.073 R)
• M11: 10,570,885 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968

Radius: 13.4

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.82 AU - 4 AU

Year: 4199 Days

Day: 13.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,864,246 km

• M1: 166,652 km (0.059 R)
• M2: 724,802 km (0.12 R)
• M3: 1,314,666 km (0.111 R)
• M4: 2,086,442 km (0.093 R)
• M5: 2,652,819 km (0.108 R)
• M6: 5,663,476 km (0.07 R)
• M7: 6,581,259 km (0.074 R)
• M8: 8,829,566 km (0.069 R)
• M9: 9,432,894 km (0.099 R)
• M10: 13,543,095 km (0.081 R)
• M11: 14,075,364 km (0.119 R)
• M12: 14,955,898 km (0.083 R)
• M13: 19,112,923 km (0.08 R)
• M14: 21,170,642 km (0.108 R)
• M15: 21,888,263 km (0.102 R)
• M16: 22,622,040 km (0.05 R)
• M17: 24,922,108 km (0.079 R)
• M18: 27,038,319 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.2

Radius: 14.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.52 AU - 3.82 AU

Year: 4688 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,864,246 km

• M1: 179,368 km (0.063 R)
• M2: 681,269 km (0.063 R)
• M3: 1,667,119 km (0.085 R)
• M4: 2,125,636 km (0.118 R)
• M5: 4,510,675 km (0.115 R)
• M6: 5,213,785 km (0.065 R)
• M7: 6,102,097 km (0.07 R)
• M8: 6,748,659 km (0.065 R)
• M9: 7,571,597 km (0.1 R)
• M10: 9,041,546 km (0.045 R)
• M11: 10,202,874 km (0.104 R)
• M12: 10,903,890 km (0.112 R)
• M13: 12,680,514 km (0.043 R)
• M14: 13,297,605 km (0.097 R)
• M15: 14,336,712 km (0.078 R)
• M16: 14,850,281 km (0.116 R)
• M17: 16,078,181 km (0.069 R)
• M18: 17,663,170 km (0.06 R)
• M19: 18,675,200 km (0.09 R)
• M20: 19,164,534 km (0.108 R)
• M21: 20,879,824 km (0.072 R)
• M22: 22,695,493 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.7

Radius: 3

Gravity: 79.86 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 8.38 AU - 13.56 AU

Year: 24229 Days

Day: 20.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,864,246 km

• M1: 37,399 km (0.041 R)
• M2: 484,248 km (0.1 R)
• M3: 678,576 km (0.104 R)
• M4: 1,191,697 km (0.069 R)
• M5: 1,563,148 km (0.06 R)
• M6: 3,706,886 km (0.105 R)
• M7: 4,169,143 km (0.104 R)
• M8: 4,894,693 km (0.119 R)
• M9: 5,247,145 km (0.092 R)
• M10: 7,569,951 km (0.08 R)
• M11: 8,255,858 km (0.079 R)
• M12: 9,811,077 km (0.088 R)
• M13: 14,021,060 km (0.068 R)
• M14: 14,332,972 km (0.108 R)
• M15: 15,962,242 km (0.119 R)
• M16: 16,302,278 km (0.047 R)
• M17: 18,631,068 km (0.11 R)
• M18: 20,666,497 km (0.102 R)
• M19: 25,058,391 km (0.034 R)
• M20: 25,287,276 km (0.084 R)
• M21: 25,517,507 km (0.026 R)
• M22: 28,019,980 km (0.06 R)
• M23: 31,604,495 km (0.073 R)
• M24: 32,818,482 km (0.062 R)
• M25: 33,092,545 km (0.091 R)
• M26: 36,061,464 km (0.1 R)
• M27: 38,136,536 km (0.11 R)
• M28: 40,603,704 km (0.111 R)
• M29: 41,077,780 km (0.111 R)
• M30: 54,931,441 km (0.038 R)
• M31: 58,673,033 km (0.099 R)
• M32: 59,278,904 km (0.094 R)
• M33: 66,221,143 km (0.114 R)
• M34: 66,439,556 km (0.102 R)
• M35: 68,874,112 km (0.081 R)
• M36: 71,138,275 km (0.077 R)
• M37: 72,057,704 km (0.085 R)
• M38: 76,053,613 km (0.222 R)
• M39: 80,691,446 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 16,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit