🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.3

Radius: 10.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.74 AU - 0.96 AU

Year: 532 Days

Day: 8.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,886,492 km

• M1: 135,685 km (0.097 R)
• M2: 598,092 km (0.105 R)
• M3: 1,013,376 km (0.114 R)
• M4: 2,258,479 km (0.096 R)
• M5: 2,675,558 km (0.11 R)
• M6: 3,295,940 km (0.089 R)
• M7: 3,822,525 km (0.118 R)
• M8: 4,260,547 km (0.067 R)
• M9: 4,611,055 km (0.059 R)
• M10: 5,222,013 km (0.113 R)
• M11: 6,174,503 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.5

Radius: 8.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.78 AU - 1.2 AU

Year: 668 Days

Day: 7.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,886,492 km

• M1: 102,026 km (0.109 R)
• M2: 514,766 km (0.101 R)
• M3: 817,852 km (0.099 R)
• M4: 1,101,040 km (0.098 R)
• M5: 1,406,968 km (0.043 R)
• M6: 2,151,816 km (0.047 R)
• M7: 4,115,437 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.6

Radius: 13

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.07 AU - 1.09 AU

Year: 761 Days

Day: 10.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,886,492 km

• M1: 161,715 km (0.108 R)
• M2: 665,860 km (0.029 R)
• M3: 1,319,154 km (0.101 R)
• M4: 1,872,517 km (0.103 R)
• M5: 2,648,182 km (0.062 R)
• M6: 3,471,119 km (0.104 R)
• M7: 4,594,001 km (0.06 R)
• M8: 5,864,237 km (0.108 R)
• M9: 6,581,558 km (0.077 R)
• M10: 7,309,502 km (0.095 R)
• M11: 8,711,982 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.3

Radius: 11.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.95 AU - 1.47 AU

Year: 903 Days

Day: 7.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,886,492 km

• M1: 143,016 km (0.073 R)
• M2: 696,528 km (0.054 R)
• M3: 1,422,975 km (0.116 R)
• M4: 1,914,703 km (0.106 R)
• M5: 2,829,045 km (0.076 R)
• M6: 3,211,268 km (0.095 R)
• M7: 3,590,947 km (0.089 R)
• M8: 4,189,638 km (0.069 R)
• M9: 4,718,766 km (0.11 R)
• M10: 5,243,854 km (0.089 R)
• M11: 5,637,745 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.9

Radius: 8.9

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.63 AU - 3.01 AU

Year: 3212 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,886,492 km

• M1: 111,450 km (0.056 R)
• M2: 406,607 km (0.067 R)
• M3: 755,020 km (0.104 R)
• M4: 1,184,067 km (0.09 R)
• M5: 2,036,326 km (0.045 R)
• M6: 2,358,111 km (0.117 R)
• M7: 2,714,005 km (0.057 R)
• M8: 3,692,973 km (0.057 R)
• M9: 4,890,803 km (0.059 R)
• M10: 5,446,709 km (0.101 R)
• M11: 5,877,102 km (0.058 R)
• M12: 7,273,448 km (0.077 R)
• M13: 8,554,455 km (0.086 R)
• M14: 8,878,783 km (0.079 R)
• M15: 9,706,059 km (0.113 R)
• M16: 10,916,007 km (0.074 R)
• M17: 13,828,229 km (0.058 R)
• M18: 14,938,544 km (0.116 R)
• M19: 15,515,543 km (0.063 R)
• M20: 17,565,782 km (0.043 R)
• M21: 20,358,475 km (0.057 R)
• M22: 21,132,943 km (0.1 R)
• M23: 21,726,697 km (0.117 R)
• M24: 22,947,416 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.1

Radius: 10.8

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.39 AU - 4.87 AU

Year: 5693 Days

Day: 14.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,886,492 km

• M1: 134,339 km (0.101 R)
• M2: 493,972 km (0.117 R)
• M3: 1,538,913 km (0.078 R)
• M4: 2,728,964 km (0.117 R)
• M5: 3,638,819 km (0.12 R)
• M6: 4,607,465 km (0.08 R)
• M7: 6,338,761 km (0.11 R)
• M8: 7,189,973 km (0.057 R)
• M9: 10,113,115 km (0.102 R)
• M10: 11,273,995 km (0.112 R)
• M11: 12,265,230 km (0.111 R)
• M12: 15,113,274 km (0.117 R)
• M13: 17,197,771 km (0.081 R)
• M14: 18,109,421 km (0.081 R)
• M15: 18,712,150 km (0.06 R)
• M16: 19,467,171 km (0.032 R)
• M17: 24,836,986 km (0.11 R)
• M18: 26,170,352 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.5

Radius: 12.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.46 AU - 4.56 AU

Year: 6496 Days

Day: 8.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,886,492 km

• M1: 157,975 km (0.077 R)
• M2: 634,744 km (0.113 R)
• M3: 1,044,792 km (0.101 R)
• M4: 1,746,705 km (0.046 R)
• M5: 2,303,957 km (0.105 R)
• M6: 3,120,013 km (0.042 R)
• M7: 3,996,956 km (0.082 R)
• M8: 4,533,713 km (0.096 R)
• M9: 5,031,724 km (0.066 R)
• M10: 5,596,905 km (0.094 R)
• M11: 6,472,950 km (0.072 R)
• M12: 8,173,728 km (0.092 R)
• M13: 9,565,437 km (0.095 R)
• M14: 12,598,833 km (0.109 R)
• M15: 15,289,052 km (0.032 R)
• M16: 15,720,193 km (0.1 R)
• M17: 16,286,421 km (0.09 R)
• M18: 17,393,146 km (0.117 R)
• M19: 18,969,459 km (0.082 R)
• M20: 20,564,471 km (0.105 R)
• M21: 24,687,389 km (0.117 R)
• M22: 25,972,135 km (0.117 R)
• M23: 34,421,872 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.3

Radius: 6.1

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 10.13 AU - 11.41 AU

Year: 23973 Days

Day: 17 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,886,492 km

• M1: 77,043 km (0.063 R)
• M2: 289,472 km (0.112 R)
• M3: 547,827 km (0.09 R)
• M4: 1,182,122 km (0.045 R)
• M5: 1,410,708 km (0.04 R)
• M6: 1,685,070 km (0.029 R)
• M7: 2,508,457 km (0.117 R)
• M8: 3,106,400 km (0.065 R)
• M9: 3,627,898 km (0.119 R)
• M10: 3,909,591 km (0.071 R)
• M11: 4,678,374 km (0.099 R)
• M12: 4,978,468 km (0.091 R)
• M13: 6,927,877 km (0.094 R)
• M14: 7,142,850 km (0.089 R)
• M15: 8,381,969 km (0.028 R)
• M16: 10,138,098 km (0.12 R)
• M17: 10,415,602 km (0.103 R)
• M18: 10,985,720 km (0.108 R)
• M19: 11,516,343 km (0.098 R)
• M20: 14,014,927 km (0.063 R)
• M21: 14,639,049 km (0.114 R)
• M22: 15,646,292 km (0.079 R)
• M23: 17,479,314 km (0.106 R)
• M24: 20,314,344 km (0.099 R)
• M25: 20,933,978 km (0.06 R)
• M26: 21,840,691 km (0.077 R)
• M27: 23,635,117 km (0.103 R)
• M28: 25,322,132 km (0.056 R)
• M29: 27,407,527 km (0.098 R)
• M30: 30,057,803 km (0.094 R)
• M31: 30,286,089 km (0.092 R)
• M32: 32,154,267 km (0.094 R)
• M33: 36,118,611 km (0.095 R)
• M34: 38,889,911 km (0.052 R)
• M35: 39,981,976 km (0.091 R)
• M36: 41,516,551 km (0.066 R)
• M37: 43,965,019 km (0.087 R)
• M38: 45,149,834 km (0.081 R)
• M39: 50,907,258 km (0.081 R)
• M40: 59,259,307 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 20,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit