🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.6

Radius: 11.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.47 AU - 0.69 AU

Year: 300 Days

Day: 8.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,593,252 km

• M1: 144,362 km (0.117 R)
• M2: 553,662 km (0.104 R)
• M3: 918,082 km (0.108 R)
• M4: 1,498,971 km (0.093 R)
• M5: 2,111,724 km (0.118 R)
• M6: 2,524,614 km (0.049 R)
• M7: 3,079,771 km (0.103 R)
• M8: 3,461,695 km (0.044 R)
• M9: 4,100,777 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.6

Radius: 9.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.87 AU - 0.97 AU

Year: 599 Days

Day: 11.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,593,252 km

• M1: 122,820 km (0.111 R)
• M2: 535,411 km (0.083 R)
• M3: 906,563 km (0.111 R)
• M4: 1,332,019 km (0.108 R)
• M5: 1,670,559 km (0.105 R)
• M6: 2,478,238 km (0.089 R)
• M7: 2,837,572 km (0.045 R)
• M8: 3,478,450 km (0.097 R)
• M9: 4,090,455 km (0.063 R)
• M10: 4,595,198 km (0.068 R)
• M11: 5,220,367 km (0.06 R)
• M12: 5,729,898 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713

Radius: 9.8

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.05 AU - 1.21 AU

Year: 815 Days

Day: 13.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,593,252 km

• M1: 121,922 km (0.093 R)
• M2: 463,604 km (0.088 R)
• M3: 1,087,277 km (0.101 R)
• M4: 1,501,215 km (0.062 R)
• M5: 2,126,384 km (0.09 R)
• M6: 2,892,026 km (0.117 R)
• M7: 3,264,674 km (0.117 R)
• M8: 3,983,043 km (0.068 R)
• M9: 5,692,648 km (0.093 R)
• M10: 6,407,875 km (0.108 R)
• M11: 7,044,713 km (0.11 R)
• M12: 7,484,531 km (0.088 R)
• M13: 7,868,998 km (0.062 R)
• M14: 8,941,465 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.5

Radius: 10.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.35 AU - 1.67 AU

Year: 1259 Days

Day: 12.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,593,252 km

• M1: 132,095 km (0.106 R)
• M2: 586,424 km (0.043 R)
• M3: 1,036,564 km (0.107 R)
• M4: 2,017,926 km (0.076 R)
• M5: 2,945,432 km (0.102 R)
• M6: 3,281,280 km (0.112 R)
• M7: 3,740,844 km (0.078 R)
• M8: 4,383,367 km (0.059 R)
• M9: 4,806,580 km (0.084 R)
• M10: 5,257,019 km (0.112 R)
• M11: 5,678,885 km (0.09 R)
• M12: 6,063,950 km (0.101 R)
• M13: 6,822,560 km (0.113 R)
• M14: 7,574,290 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.7

Radius: 10.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.46 AU - 2.48 AU

Year: 2633 Days

Day: 5.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,593,252 km

• M1: 135,536 km (0.114 R)
• M2: 584,778 km (0.094 R)
• M3: 1,202,916 km (0.057 R)
• M4: 4,396,532 km (0.115 R)
• M5: 6,018,322 km (0.098 R)
• M6: 7,600,619 km (0.078 R)
• M7: 8,185,098 km (0.114 R)
• M8: 9,150,154 km (0.05 R)
• M9: 9,845,784 km (0.09 R)
• M10: 11,873,882 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.7

Radius: 8

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.98 AU - 4.1 AU

Year: 5508 Days

Day: 6.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,593,252 km

• M1: 99,483 km (0.112 R)
• M2: 379,979 km (0.112 R)
• M3: 817,403 km (0.091 R)
• M4: 1,178,831 km (0.062 R)
• M5: 1,566,589 km (0.06 R)
• M6: 2,343,151 km (0.116 R)
• M7: 2,842,360 km (0.09 R)
• M8: 3,189,127 km (0.115 R)
• M9: 3,762,386 km (0.079 R)
• M10: 4,073,849 km (0.057 R)
• M11: 5,417,836 km (0.066 R)
• M12: 5,788,690 km (0.063 R)
• M13: 6,319,164 km (0.114 R)
• M14: 7,004,023 km (0.084 R)
• M15: 9,659,834 km (0.119 R)
• M16: 11,968,578 km (0.11 R)
• M17: 13,584,983 km (0.038 R)
• M18: 14,270,590 km (0.047 R)
• M19: 17,816,508 km (0.117 R)
• M20: 19,422,591 km (0.074 R)
• M21: 19,916,563 km (0.106 R)
• M22: 20,355,483 km (0.037 R)
• M23: 21,252,771 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653

Radius: 3.2

Gravity: 63.77 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.75 AU - 11.01 AU

Year: 19485 Days

Day: 22.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 130.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,593,252 km

• M1: 42,187 km (0.106 R)
• M2: 264,040 km (0.11 R)
• M3: 401,221 km (0.094 R)
• M4: 934,687 km (0.098 R)
• M5: 1,108,221 km (0.112 R)
• M6: 1,889,870 km (0.065 R)
• M7: 2,065,797 km (0.06 R)
• M8: 2,854,926 km (0.115 R)
• M9: 3,247,770 km (0.117 R)
• M10: 3,442,995 km (0.058 R)
• M11: 4,642,022 km (0.072 R)
• M12: 7,531,056 km (0.089 R)
• M13: 7,823,520 km (0.083 R)
• M14: 9,625,576 km (0.119 R)
• M15: 10,086,487 km (0.088 R)
• M16: 13,877,596 km (0.118 R)
• M17: 16,247,226 km (0.102 R)
• M18: 18,607,282 km (0.095 R)
• M19: 20,053,595 km (0.11 R)
• M20: 20,614,587 km (0.09 R)
• M21: 20,994,416 km (0.11 R)
• M22: 21,670,299 km (0.045 R)
• M23: 24,202,841 km (0.037 R)
• M24: 26,476,729 km (0.114 R)
• M25: 29,364,716 km (0.101 R)
• M26: 32,840,473 km (0.12 R)
• M27: 36,997,498 km (0.106 R)
• M28: 42,096,691 km (0.097 R)
• M29: 44,260,924 km (0.097 R)
• M30: 50,164,355 km (0.032 R)
• M31: 50,678,822 km (0.055 R)
• M32: 56,942,335 km (0.117 R)
• M33: 57,128,435 km (0.114 R)
• M34: 61,915,417 km (0.032 R)
• M35: 62,705,294 km (0.103 R)
• M36: 69,905,439 km (0.095 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: 245 - 10,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit