🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.8

Radius: 13.1

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.58 AU - 0.82 AU

Year: 391 Days

Day: 5.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,909,133 km

• M1: 162,912 km (0.092 R)
• M2: 608,863 km (0.033 R)
• M3: 1,756,129 km (0.107 R)
• M4: 2,349,435 km (0.109 R)
• M5: 2,957,700 km (0.092 R)
• M6: 3,669,486 km (0.109 R)
• M7: 4,232,273 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 14.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.61 AU - 0.97 AU

Year: 468 Days

Day: 11 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,909,133 km

• M1: 180,415 km (0.099 R)
• M2: 716,125 km (0.116 R)
• M3: 1,190,350 km (0.087 R)
• M4: 1,707,510 km (0.086 R)
• M5: 2,410,171 km (0.115 R)
• M6: 2,926,434 km (0.117 R)
• M7: 3,605,907 km (0.053 R)
• M8: 4,236,313 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.1

Radius: 10

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.79 AU - 1.07 AU

Year: 598 Days

Day: 7.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,909,133 km

• M1: 124,465 km (0.046 R)
• M2: 463,604 km (0.104 R)
• M3: 793,617 km (0.104 R)
• M4: 1,135,897 km (0.096 R)
• M5: 1,512,734 km (0.115 R)
• M6: 1,921,435 km (0.057 R)
• M7: 2,285,257 km (0.107 R)
• M8: 2,695,155 km (0.112 R)
• M9: 3,190,474 km (0.112 R)
• M10: 3,531,707 km (0.08 R)
• M11: 3,925,598 km (0.096 R)
• M12: 5,235,028 km (0.112 R)
• M13: 5,766,998 km (0.098 R)
• M14: 6,692,859 km (0.106 R)
• M15: 7,212,861 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.5

Radius: 14.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.16 AU - 1.32 AU

Year: 921 Days

Day: 10.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,909,133 km

• M1: 175,329 km (0.117 R)
• M2: 802,443 km (0.113 R)
• M3: 1,434,045 km (0.092 R)
• M4: 2,031,389 km (0.095 R)
• M5: 2,688,124 km (0.063 R)
• M6: 3,294,295 km (0.057 R)
• M7: 3,738,451 km (0.113 R)
• M8: 4,238,856 km (0.049 R)
• M9: 5,137,041 km (0.085 R)
• M10: 6,016,378 km (0.086 R)
• M11: 6,729,211 km (0.038 R)
• M12: 7,219,892 km (0.084 R)
• M13: 8,173,878 km (0.058 R)
• M14: 8,943,410 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.1

Radius: 14.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.97 AU - 1.59 AU

Year: 966 Days

Day: 6.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 70,909,133 km

• M1: 184,753 km (0.083 R)
• M2: 667,057 km (0.114 R)
• M3: 1,377,048 km (0.099 R)
• M4: 2,158,996 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.6

Radius: 12.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.58 AU - 2.18 AU

Year: 1719 Days

Day: 6 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,909,133 km

• M1: 155,133 km (0.074 R)
• M2: 820,395 km (0.087 R)
• M3: 1,929,663 km (0.061 R)
• M4: 2,437,847 km (0.049 R)
• M5: 2,825,605 km (0.076 R)
• M6: 3,525,124 km (0.109 R)
• M7: 3,966,737 km (0.107 R)
• M8: 4,634,542 km (0.108 R)
• M9: 7,053,240 km (0.096 R)
• M10: 7,713,266 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.4

Radius: 4.4

Gravity: 30.13 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.39 AU - 7.67 AU

Year: 12430 Days

Day: 23.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,909,133 km

• M1: 55,950 km (0.118 R)
• M2: 277,803 km (0.062 R)
• M3: 864,825 km (0.039 R)
• M4: 2,323,704 km (0.08 R)
• M5: 2,543,762 km (0.095 R)
• M6: 4,255,611 km (0.116 R)
• M7: 5,262,554 km (0.083 R)
• M8: 8,736,964 km (0.093 R)
• M9: 9,073,260 km (0.106 R)
• M10: 9,468,199 km (0.117 R)
• M11: 10,667,525 km (0.076 R)
• M12: 12,988,237 km (0.06 R)
• M13: 13,874,155 km (0.11 R)
• M14: 14,398,047 km (0.084 R)
• M15: 14,597,760 km (0.052 R)
• M16: 14,867,186 km (0.101 R)
• M17: 17,517,462 km (0.029 R)
• M18: 18,206,809 km (0.115 R)
• M19: 18,993,544 km (0.037 R)
• M20: 19,395,364 km (0.104 R)
• M21: 19,884,998 km (0.113 R)
• M22: 20,382,859 km (0.103 R)
• M23: 20,974,070 km (0.08 R)
• M24: 30,711,994 km (0.118 R)
• M25: 30,932,501 km (0.119 R)
• M26: 31,376,807 km (0.084 R)
• M27: 33,896,634 km (0.08 R)
• M28: 34,725,855 km (0.054 R)
• M29: 36,178,749 km (0.052 R)
• M30: 37,924,407 km (0.105 R)
• M31: 41,582,523 km (0.057 R)
• M32: 42,532,470 km (0.085 R)
• M33: 45,469,076 km (0.085 R)
• M34: 48,091,377 km (0.08 R)
• M35: 50,966,648 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.6

Radius: 3.7

Gravity: 62.57 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.01 AU - 8.69 AU

Year: 16090 Days

Day: 17.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,909,133 km

• M1: 46,226 km (0.113 R)
• M2: 236,365 km (0.069 R)
• M3: 740,509 km (0.084 R)
• M4: 953,986 km (0.088 R)
• M5: 1,100,891 km (0.055 R)
• M6: 1,618,350 km (0.059 R)
• M7: 2,260,873 km (0.116 R)
• M8: 3,753,111 km (0.116 R)
• M9: 4,314,552 km (0.117 R)
• M10: 4,753,472 km (0.108 R)
• M11: 5,409,459 km (0.078 R)
• M12: 6,000,520 km (0.115 R)
• M13: 6,123,639 km (0.05 R)
• M14: 6,248,553 km (0.087 R)
• M15: 7,170,974 km (0.069 R)
• M16: 7,309,651 km (0.056 R)
• M17: 8,745,342 km (0.081 R)
• M18: 13,872,211 km (0.064 R)
• M19: 15,124,046 km (0.049 R)
• M20: 16,529,368 km (0.117 R)
• M21: 17,016,459 km (0.055 R)
• M22: 17,429,798 km (0.052 R)
• M23: 22,623,836 km (0.119 R)
• M24: 23,630,180 km (0.104 R)
• M25: 25,731,582 km (0.067 R)
• M26: 26,716,534 km (0.118 R)
• M27: 30,422,223 km (0.107 R)
• M28: 32,020,676 km (0.062 R)
• M29: 33,803,733 km (0.088 R)
• M30: 50,339,833 km (0.076 R)
• M31: 52,397,103 km (0.094 R)
• M32: 66,131,235 km (0.107 R)
• M33: 67,561,839 km (0.057 R)
• M34: 67,767,835 km (0.078 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 10,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit