🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.9

Radius: 12

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.48 AU - 0.54 AU

Year: 247 Days

Day: 14.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,188,900 km

• M1: 149,299 km (0.041 R)
• M2: 624,571 km (0.088 R)
• M3: 1,031,477 km (0.054 R)
• M4: 1,541,008 km (0.109 R)
• M5: 2,272,840 km (0.117 R)
• M6: 2,893,821 km (0.098 R)
• M7: 3,350,992 km (0.09 R)
• M8: 3,951,329 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.9

Radius: 8.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.66 AU - 0.72 AU

Year: 389 Days

Day: 11.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,188,900 km

• M1: 108,458 km (0.092 R)
• M2: 390,301 km (0.046 R)
• M3: 706,252 km (0.036 R)
• M4: 1,502,262 km (0.102 R)
• M5: 1,811,331 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.4

Radius: 14.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.63 AU - 0.89 AU

Year: 449 Days

Day: 9 Hours

Environment

Temp: -169 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,188,900 km

• M1: 175,478 km (0.109 R)
• M2: 776,712 km (0.078 R)
• M3: 1,285,195 km (0.112 R)
• M4: 1,868,926 km (0.076 R)
• M5: 2,358,710 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.7

Radius: 12.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.55 AU - 2.55 AU

Year: 2762 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,188,900 km

• M1: 153,039 km (0.095 R)
• M2: 581,637 km (0.105 R)
• M3: 967,599 km (0.072 R)
• M4: 1,825,094 km (0.09 R)
• M5: 3,138,115 km (0.11 R)
• M6: 3,699,406 km (0.117 R)
• M7: 4,251,871 km (0.073 R)
• M8: 5,635,801 km (0.083 R)
• M9: 6,271,592 km (0.07 R)
• M10: 7,354,979 km (0.092 R)
• M11: 8,772,419 km (0.105 R)
• M12: 10,606,788 km (0.045 R)
• M13: 11,393,224 km (0.03 R)
• M14: 12,763,391 km (0.095 R)
• M15: 13,203,358 km (0.05 R)
• M16: 13,903,028 km (0.119 R)
• M17: 14,497,679 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.4

Radius: 9.8

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.21 AU - 6.05 AU

Year: 9061 Days

Day: 13.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,188,900 km

• M1: 165,306 km (0.111 R)
• M2: 1,440,777 km (0.1 R)
• M3: 1,753,586 km (0.089 R)
• M4: 2,205,671 km (0.077 R)
• M5: 3,409,335 km (0.118 R)
• M6: 4,922,219 km (0.12 R)
• M7: 5,435,040 km (0.111 R)
• M8: 5,827,435 km (0.105 R)
• M9: 6,702,882 km (0.118 R)
• M10: 9,042,593 km (0.069 R)
• M11: 9,637,992 km (0.115 R)
• M12: 9,945,416 km (0.111 R)
• M13: 14,968,613 km (0.107 R)
• M14: 19,377,861 km (0.094 R)
• M15: 23,539,075 km (0.092 R)
• M16: 26,852,219 km (0.093 R)
• M17: 27,550,243 km (0.077 R)
• M18: 28,800,732 km (0.057 R)
• M19: 30,841,845 km (0.098 R)
• M20: 33,476,413 km (0.115 R)

Asteroid Belt

Center: 6.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.6

Radius: 5.6

Gravity: 25.27 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.82 AU - 7.04 AU

Year: 11059 Days

Day: 22.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,188,900 km

• M1: 70,012 km (0.108 R)
• M2: 2,144,934 km (0.111 R)
• M3: 2,433,658 km (0.089 R)
• M4: 3,089,046 km (0.108 R)
• M5: 3,828,210 km (0.098 R)
• M6: 4,051,410 km (0.094 R)
• M7: 7,325,359 km (0.094 R)
• M8: 7,846,558 km (0.067 R)
• M9: 8,865,768 km (0.086 R)
• M10: 9,507,992 km (0.109 R)
• M11: 10,127,776 km (0.107 R)
• M12: 13,830,772 km (0.108 R)
• M13: 14,357,356 km (0.089 R)
• M14: 17,118,036 km (0.112 R)
• M15: 19,386,687 km (0.108 R)
• M16: 21,149,249 km (0.09 R)
• M17: 24,990,025 km (0.035 R)
• M18: 30,357,597 km (0.092 R)
• M19: 36,694,712 km (0.089 R)
• M20: 38,085,374 km (0.114 R)
• M21: 43,578,608 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.2

Radius: 7.3

Gravity: 16.25 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.25 AU - 8.41 AU

Year: 13460 Days

Day: 16.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,188,900 km

• M1: 90,806 km (0.119 R)
• M2: 330,312 km (0.105 R)
• M3: 790,475 km (0.093 R)
• M4: 1,319,004 km (0.071 R)
• M5: 2,441,736 km (0.095 R)
• M6: 3,159,058 km (0.115 R)
• M7: 3,691,627 km (0.088 R)
• M8: 6,353,422 km (0.026 R)
• M9: 6,982,032 km (0.093 R)
• M10: 8,759,703 km (0.115 R)
• M11: 11,290,899 km (0.104 R)
• M12: 11,531,901 km (0.107 R)
• M13: 14,625,137 km (0.097 R)
• M14: 19,930,924 km (0.097 R)
• M15: 24,435,765 km (0.068 R)
• M16: 24,738,102 km (0.051 R)
• M17: 25,349,958 km (0.12 R)
• M18: 26,816,914 km (0.111 R)
• M19: 28,450,523 km (0.035 R)
• M20: 32,034,888 km (0.098 R)
• M21: 32,518,388 km (0.034 R)
• M22: 37,355,935 km (0.087 R)
• M23: 37,757,007 km (0.113 R)
• M24: 39,528,844 km (0.055 R)
• M25: 45,630,791 km (0.07 R)
• M26: 48,745,419 km (0.075 R)
• M27: 56,090,525 km (0.113 R)
• M28: 57,323,211 km (0.094 R)
• M29: 58,753,965 km (0.117 R)
• M30: 60,208,356 km (0.04 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 15,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit