🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558

Radius: 9.4

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.64 AU - 1.04 AU

Year: 541 Days

Day: 14.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,051,708 km

• M1: 117,135 km (0.072 R)
• M2: 412,741 km (0.063 R)
• M3: 1,537,118 km (0.057 R)
• M4: 2,024,957 km (0.052 R)
• M5: 2,348,387 km (0.077 R)
• M6: 3,596,482 km (0.115 R)
• M7: 3,897,174 km (0.104 R)
• M8: 4,460,560 km (0.101 R)
• M9: 6,144,284 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.4

Radius: 8.6

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.9 AU - 1.1 AU

Year: 703 Days

Day: 14.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,051,708 km

• M1: 108,010 km (0.11 R)
• M2: 441,763 km (0.063 R)
• M3: 984,653 km (0.07 R)
• M4: 1,468,303 km (0.079 R)
• M5: 1,878,500 km (0.041 R)
• M6: 2,327,892 km (0.108 R)
• M7: 2,646,386 km (0.052 R)
• M8: 2,983,430 km (0.1 R)
• M9: 3,269,162 km (0.096 R)
• M10: 4,657,879 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.4

Radius: 14.5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.94 AU - 1.08 AU

Year: 713 Days

Day: 5.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 60 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,051,708 km

• M1: 181,163 km (0.112 R)
• M2: 652,247 km (0.119 R)
• M3: 1,156,990 km (0.086 R)
• M4: 1,710,652 km (0.12 R)
• M5: 2,236,189 km (0.088 R)
• M6: 2,929,874 km (0.083 R)
• M7: 3,469,773 km (0.116 R)
• M8: 4,357,337 km (0.097 R)
• M9: 4,907,259 km (0.109 R)
• M10: 5,503,556 km (0.113 R)
• M11: 7,288,259 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.8

Radius: 11.8

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.02 AU - 1.28 AU

Year: 867 Days

Day: 14.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,051,708 km

• M1: 156,779 km (0.083 R)
• M2: 546,032 km (0.104 R)
• M3: 919,877 km (0.105 R)
• M4: 1,671,607 km (0.078 R)
• M5: 2,365,741 km (0.072 R)
• M6: 2,912,371 km (0.076 R)
• M7: 3,412,028 km (0.078 R)
• M8: 4,016,254 km (0.064 R)
• M9: 4,637,534 km (0.032 R)
• M10: 6,158,196 km (0.09 R)
• M11: 7,293,943 km (0.051 R)
• M12: 7,861,219 km (0.118 R)
• M13: 8,457,815 km (0.099 R)
• M14: 9,140,131 km (0.115 R)
• M15: 9,977,280 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.8

Radius: 14.2

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.51 AU - 3.41 AU

Year: 3580 Days

Day: 13.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,051,708 km

• M1: 176,974 km (0.112 R)
• M2: 681,717 km (0.117 R)
• M3: 1,272,479 km (0.089 R)
• M4: 1,766,302 km (0.03 R)
• M5: 2,273,888 km (0.08 R)
• M6: 2,730,610 km (0.03 R)
• M7: 3,212,614 km (0.076 R)
• M8: 3,937,865 km (0.11 R)
• M9: 5,165,016 km (0.107 R)
• M10: 5,937,240 km (0.061 R)
• M11: 7,319,375 km (0.047 R)
• M12: 8,017,698 km (0.035 R)
• M13: 8,579,288 km (0.117 R)
• M14: 9,318,003 km (0.087 R)
• M15: 10,965,524 km (0.104 R)
• M16: 11,570,348 km (0.113 R)
• M17: 12,473,022 km (0.108 R)
• M18: 17,126,712 km (0.085 R)
• M19: 20,030,108 km (0.026 R)
• M20: 21,464,751 km (0.094 R)
• M21: 22,003,154 km (0.083 R)
• M22: 22,967,013 km (0.076 R)
• M23: 23,887,040 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.4

Radius: 14.7

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.36 AU - 4.84 AU

Year: 6935 Days

Day: 5.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,051,708 km

• M1: 184,155 km (0.072 R)
• M2: 643,271 km (0.116 R)
• M3: 4,952,737 km (0.097 R)
• M4: 6,199,635 km (0.055 R)
• M5: 7,153,621 km (0.069 R)
• M6: 8,450,185 km (0.092 R)
• M7: 9,353,756 km (0.09 R)
• M8: 11,302,718 km (0.05 R)
• M9: 13,739,816 km (0.094 R)
• M10: 17,441,915 km (0.049 R)
• M11: 22,641,339 km (0.079 R)
• M12: 23,625,992 km (0.049 R)
• M13: 26,301,849 km (0.111 R)
• M14: 27,024,107 km (0.108 R)
• M15: 32,249,561 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.4

Radius: 7.7

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.86 AU - 11.4 AU

Year: 19392 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,051,708 km

• M1: 97,538 km (0.085 R)
• M2: 392,545 km (0.106 R)
• M3: 1,071,121 km (0.086 R)
• M4: 1,495,979 km (0.062 R)
• M5: 2,286,304 km (0.102 R)
• M6: 2,846,099 km (0.098 R)
• M7: 3,169,829 km (0.099 R)
• M8: 3,590,498 km (0.1 R)
• M9: 4,048,118 km (0.084 R)
• M10: 4,458,465 km (0.105 R)
• M11: 5,524,649 km (0.112 R)
• M12: 7,369,042 km (0.111 R)
• M13: 11,244,524 km (0.115 R)
• M14: 14,039,162 km (0.099 R)
• M15: 15,761,632 km (0.086 R)
• M16: 17,692,043 km (0.099 R)
• M17: 19,774,744 km (0.101 R)
• M18: 22,015,571 km (0.107 R)
• M19: 32,032,943 km (0.074 R)
• M20: 33,768,727 km (0.12 R)
• M21: 36,025,411 km (0.057 R)
• M22: 39,106,828 km (0.069 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 14,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit