🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 14.1

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.58 AU - 0.72 AU

Year: 355 Days

Day: 12.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,783,716 km

• M1: 175,329 km (0.076 R)
• M2: 620,382 km (0.112 R)
• M3: 1,118,244 km (0.086 R)
• M4: 1,598,304 km (0.089 R)
• M5: 2,192,806 km (0.042 R)
• M6: 2,881,255 km (0.11 R)
• M7: 3,409,934 km (0.117 R)
• M8: 3,861,570 km (0.048 R)
• M9: 4,325,772 km (0.118 R)
• M10: 5,084,832 km (0.113 R)
• M11: 5,761,463 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.3

Radius: 9.3

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.73 AU - 0.77 AU

Year: 441 Days

Day: 7.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,783,716 km

• M1: 115,639 km (0.107 R)
• M2: 497,563 km (0.118 R)
• M3: 918,681 km (0.116 R)
• M4: 1,828,834 km (0.096 R)
• M5: 2,219,733 km (0.096 R)
• M6: 2,575,926 km (0.028 R)
• M7: 3,380,762 km (0.096 R)
• M8: 3,764,182 km (0.111 R)
• M9: 4,415,531 km (0.103 R)
• M10: 4,874,796 km (0.041 R)
• M11: 5,219,769 km (0.115 R)
• M12: 5,547,538 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.4

Radius: 12.3

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.75 AU - 0.95 AU

Year: 532 Days

Day: 14.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,783,716 km

• M1: 153,039 km (0.115 R)
• M2: 646,412 km (0.1 R)
• M3: 1,201,720 km (0.093 R)
• M4: 1,606,083 km (0.09 R)
• M5: 2,312,633 km (0.113 R)
• M6: 2,712,209 km (0.096 R)
• M7: 3,461,844 km (0.066 R)
• M8: 3,961,352 km (0.114 R)
• M9: 4,661,021 km (0.047 R)
• M10: 5,407,365 km (0.098 R)
• M11: 5,827,585 km (0.062 R)
• M12: 6,364,342 km (0.095 R)

Asteroid Belt

Center: 1.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 11.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.47 AU - 1.59 AU

Year: 1284 Days

Day: 9.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,783,716 km

• M1: 144,512 km (0.062 R)
• M2: 533,316 km (0.087 R)
• M3: 1,068,428 km (0.115 R)
• M4: 2,192,806 km (0.049 R)
• M5: 2,900,404 km (0.054 R)
• M6: 3,452,569 km (0.114 R)
• M7: 3,911,984 km (0.039 R)
• M8: 4,719,065 km (0.069 R)
• M9: 5,109,964 km (0.07 R)
• M10: 6,313,778 km (0.08 R)
• M11: 7,245,025 km (0.06 R)
• M12: 7,931,081 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.1

Radius: 13.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.41 AU - 5.57 AU

Year: 7560 Days

Day: 11.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 89.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,783,716 km

• M1: 162,912 km (0.102 R)
• M2: 614,548 km (0.074 R)
• M3: 1,292,526 km (0.115 R)
• M4: 1,897,200 km (0.097 R)
• M5: 3,208,874 km (0.119 R)
• M6: 5,827,435 km (0.076 R)
• M7: 7,201,791 km (0.114 R)
• M8: 7,793,151 km (0.046 R)
• M9: 8,497,009 km (0.112 R)
• M10: 8,906,160 km (0.11 R)
• M11: 13,645,271 km (0.106 R)
• M12: 14,552,731 km (0.094 R)
• M13: 20,569,109 km (0.112 R)
• M14: 23,878,513 km (0.097 R)
• M15: 25,195,722 km (0.093 R)
• M16: 26,997,329 km (0.071 R)
• M17: 27,527,654 km (0.11 R)
• M18: 29,438,168 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.2

Radius: 6.4

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.4 AU - 8.7 AU

Year: 12696 Days

Day: 20.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,783,716 km

• M1: 86,019 km (0.113 R)
• M2: 372,648 km (0.048 R)
• M3: 670,498 km (0.119 R)
• M4: 907,909 km (0.067 R)
• M5: 1,133,653 km (0.117 R)
• M6: 1,701,077 km (0.054 R)
• M7: 1,965,716 km (0.104 R)
• M8: 3,827,611 km (0.032 R)
• M9: 5,274,223 km (0.111 R)
• M10: 5,874,409 km (0.102 R)
• M11: 6,408,474 km (0.069 R)
• M12: 8,205,294 km (0.089 R)
• M13: 8,601,279 km (0.082 R)
• M14: 9,195,482 km (0.098 R)
• M15: 9,478,970 km (0.08 R)
• M16: 10,465,867 km (0.086 R)
• M17: 12,816,648 km (0.081 R)
• M18: 16,307,813 km (0.092 R)
• M19: 25,277,403 km (0.049 R)
• M20: 26,683,922 km (0.114 R)
• M21: 27,260,921 km (0.091 R)
• M22: 27,552,487 km (0.093 R)
• M23: 35,884,191 km (0.092 R)
• M24: 43,860,600 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.1

Radius: 4.6

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.27 AU - 10.09 AU

Year: 17345 Days

Day: 18.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,783,716 km

• M1: 57,296 km (0.117 R)
• M2: 268,678 km (0.094 R)
• M3: 425,905 km (0.111 R)
• M4: 881,730 km (0.105 R)
• M5: 1,748,500 km (0.117 R)
• M6: 4,066,220 km (0.037 R)
• M7: 4,293,160 km (0.053 R)
• M8: 7,757,547 km (0.116 R)
• M9: 8,106,858 km (0.043 R)
• M10: 9,560,052 km (0.112 R)
• M11: 11,851,143 km (0.091 R)
• M12: 12,491,123 km (0.116 R)
• M13: 12,789,571 km (0.063 R)
• M14: 14,030,934 km (0.078 R)
• M15: 14,549,141 km (0.099 R)
• M16: 15,970,321 km (0.049 R)
• M17: 17,407,507 km (0.119 R)
• M18: 21,373,048 km (0.099 R)
• M19: 23,025,356 km (0.106 R)
• M20: 24,111,736 km (0.101 R)
• M21: 26,288,684 km (0.099 R)
• M22: 28,593,090 km (0.068 R)
• M23: 30,273,224 km (0.079 R)
• M24: 31,796,579 km (0.069 R)
• M25: 34,292,170 km (0.073 R)
• M26: 34,877,098 km (0.101 R)
• M27: 35,587,688 km (0.053 R)
• M28: 36,550,051 km (0.07 R)
• M29: 37,777,202 km (0.119 R)
• M30: 39,541,260 km (0.082 R)
• M31: 40,834,235 km (0.095 R)
• M32: 44,189,715 km (0.104 R)
• M33: 44,882,054 km (0.116 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 16,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit