🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.8

Radius: 13

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.82 AU - 1.2 AU

Year: 655 Days

Day: 13.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,353,158 km

• M1: 161,715 km (0.112 R)
• M2: 612,005 km (0.073 R)
• M3: 1,051,823 km (0.077 R)
• M4: 1,658,442 km (0.107 R)
• M5: 2,294,083 km (0.086 R)
• M6: 3,510,763 km (0.084 R)
• M7: 4,058,141 km (0.08 R)
• M8: 4,505,589 km (0.113 R)
• M9: 5,035,913 km (0.071 R)
• M10: 5,447,606 km (0.09 R)
• M11: 6,477,139 km (0.093 R)
• M12: 7,412,574 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.3

Radius: 8.3

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.15 AU - 1.31 AU

Year: 881 Days

Day: 10.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,353,158 km

• M1: 103,372 km (0.094 R)
• M2: 407,355 km (0.107 R)
• M3: 770,279 km (0.091 R)
• M4: 1,044,193 km (0.034 R)
• M5: 2,302,162 km (0.034 R)
• M6: 2,639,355 km (0.082 R)
• M7: 2,975,352 km (0.115 R)
• M8: 3,315,538 km (0.104 R)
• M9: 3,854,090 km (0.079 R)
• M10: 4,754,370 km (0.098 R)
• M11: 5,154,694 km (0.092 R)
• M12: 6,226,413 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.8

Radius: 13.7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.25 AU - 1.33 AU

Year: 946 Days

Day: 10 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 21,353,158 km

• M1: 170,691 km (0.064 R)
• M2: 1,035,068 km (0.048 R)
• M3: 2,198,790 km (0.065 R)
• M4: 4,046,024 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.7

Radius: 10

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.28 AU - 1.3 AU

Year: 946 Days

Day: 14 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 21,353,158 km

• M1: 124,316 km (0.085 R)
• M2: 533,167 km (0.103 R)
• M3: 1,266,795 km (0.067 R)
• M4: 1,958,835 km (0.112 R)
• M5: 2,810,196 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.7

Radius: 11

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.19 AU - 1.61 AU

Year: 1070 Days

Day: 6.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,353,158 km

• M1: 137,929 km (0.047 R)
• M2: 741,557 km (0.1 R)
• M3: 1,199,925 km (0.102 R)
• M4: 1,863,690 km (0.118 R)
• M5: 2,572,934 km (0.119 R)
• M6: 3,652,133 km (0.106 R)
• M7: 5,569,529 km (0.077 R)
• M8: 6,856,968 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.8

Radius: 12.5

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.76 AU - 1.78 AU

Year: 1520 Days

Day: 13.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,353,158 km

• M1: 167,699 km (0.041 R)
• M2: 664,215 km (0.105 R)
• M3: 1,265,748 km (0.078 R)
• M4: 1,717,982 km (0.05 R)
• M5: 2,196,097 km (0.054 R)
• M6: 3,818,785 km (0.111 R)
• M7: 4,423,011 km (0.067 R)
• M8: 5,182,669 km (0.065 R)
• M9: 5,663,327 km (0.111 R)
• M10: 7,891,587 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.9

Radius: 8

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.5 AU - 2.26 AU

Year: 1664 Days

Day: 12.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,353,158 km

• M1: 102,923 km (0.05 R)
• M2: 424,110 km (0.095 R)
• M3: 703,858 km (0.083 R)
• M4: 1,044,941 km (0.112 R)
• M5: 1,369,120 km (0.063 R)
• M6: 1,898,995 km (0.064 R)
• M7: 2,151,217 km (0.045 R)
• M8: 3,986,484 km (0.104 R)
• M9: 4,562,885 km (0.1 R)
• M10: 5,326,582 km (0.111 R)
• M11: 5,857,355 km (0.074 R)
• M12: 6,271,891 km (0.098 R)
• M13: 6,890,478 km (0.1 R)
• M14: 8,399,920 km (0.118 R)
• M15: 9,777,118 km (0.092 R)
• M16: 10,186,867 km (0.109 R)
• M17: 10,608,135 km (0.064 R)
• M18: 11,373,178 km (0.117 R)
• M19: 11,980,396 km (0.118 R)
• M20: 12,370,846 km (0.105 R)
• M21: 12,769,525 km (0.084 R)
• M22: 13,467,249 km (0.119 R)
• M23: 14,804,504 km (0.04 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538

Radius: 13.2

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.6 AU - 3.4 AU

Year: 3355 Days

Day: 11.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,353,158 km

• M1: 164,109 km (0.104 R)
• M2: 675,584 km (0.105 R)
• M3: 1,551,031 km (0.118 R)
• M4: 2,925,536 km (0.116 R)
• M5: 4,255,760 km (0.04 R)
• M6: 5,189,700 km (0.072 R)
• M7: 7,463,139 km (0.095 R)
• M8: 9,283,296 km (0.1 R)
• M9: 10,972,256 km (0.091 R)
• M10: 14,901,294 km (0.077 R)
• M11: 16,396,226 km (0.087 R)
• M12: 18,561,505 km (0.071 R)
• M13: 19,743,029 km (0.086 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 17,178 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit