🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.2

Radius: 12.6

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.43 AU - 0.67 AU

Year: 277 Days

Day: 5.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,380,240 km

• M1: 156,779 km (0.039 R)
• M2: 551,717 km (0.102 R)
• M3: 1,037,012 km (0.094 R)
• M4: 1,622,539 km (0.095 R)
• M5: 2,147,477 km (0.099 R)
• M6: 2,539,573 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.3

Radius: 14.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.44 AU - 0.68 AU

Year: 284 Days

Day: 6.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,380,240 km

• M1: 185,352 km (0.097 R)
• M2: 694,134 km (0.115 R)
• M3: 1,583,493 km (0.049 R)
• M4: 2,126,085 km (0.041 R)
• M5: 2,686,479 km (0.108 R)
• M6: 3,260,934 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.9

Radius: 12.9

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.52 AU - 0.84 AU

Year: 380 Days

Day: 7 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,380,240 km

• M1: 160,519 km (0.08 R)
• M2: 717,920 km (0.064 R)
• M3: 1,185,414 km (0.102 R)
• M4: 1,594,265 km (0.105 R)
• M5: 3,109,392 km (0.084 R)
• M6: 3,523,030 km (0.035 R)
• M7: 3,973,619 km (0.094 R)
• M8: 5,595,858 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 9.2

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.72 AU - 0.74 AU

Year: 423 Days

Day: 6.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,380,240 km

• M1: 114,442 km (0.113 R)
• M2: 449,691 km (0.101 R)
• M3: 774,468 km (0.105 R)
• M4: 1,266,645 km (0.078 R)
• M5: 1,965,716 km (0.107 R)
• M6: 2,264,762 km (0.091 R)
• M7: 2,684,235 km (0.116 R)
• M8: 3,246,274 km (0.068 R)
• M9: 4,083,872 km (0.069 R)
• M10: 4,934,935 km (0.064 R)
• M11: 5,248,791 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.5

Radius: 11.1

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.73 AU - 0.77 AU

Year: 441 Days

Day: 12.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,380,240 km

• M1: 138,079 km (0.1 R)
• M2: 555,906 km (0.107 R)
• M3: 934,987 km (0.119 R)
• M4: 1,451,847 km (0.074 R)
• M5: 1,829,732 km (0.094 R)
• M6: 2,527,007 km (0.103 R)
• M7: 2,962,487 km (0.067 R)
• M8: 3,591,097 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633

Radius: 11.4

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.08 AU - 4.54 AU

Year: 6069 Days

Day: 9.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,380,240 km

• M1: 141,819 km (0.116 R)
• M2: 516,262 km (0.082 R)
• M3: 1,173,446 km (0.118 R)
• M4: 1,802,505 km (0.042 R)
• M5: 2,610,782 km (0.102 R)
• M6: 3,406,643 km (0.06 R)
• M7: 4,282,389 km (0.111 R)
• M8: 5,074,958 km (0.072 R)
• M9: 5,807,988 km (0.054 R)
• M10: 7,303,966 km (0.069 R)
• M11: 7,855,683 km (0.102 R)
• M12: 11,184,685 km (0.106 R)
• M13: 11,769,164 km (0.096 R)
• M14: 13,319,895 km (0.038 R)
• M15: 14,770,546 km (0.108 R)
• M16: 15,178,499 km (0.111 R)
• M17: 20,105,804 km (0.114 R)
• M18: 21,935,087 km (0.103 R)
• M19: 24,032,748 km (0.075 R)
• M20: 26,176,037 km (0.043 R)
• M21: 26,602,241 km (0.099 R)
• M22: 27,644,340 km (0.106 R)
• M23: 28,894,380 km (0.077 R)
• M24: 29,533,312 km (0.046 R)
• M25: 33,366,608 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.3

Radius: 12.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.1 AU - 6.82 AU

Year: 8653 Days

Day: 12.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,380,240 km

• M1: 159,172 km (0.094 R)
• M2: 922,570 km (0.108 R)
• M3: 1,338,901 km (0.1 R)
• M4: 1,741,918 km (0.093 R)
• M5: 2,178,295 km (0.1 R)
• M6: 2,650,575 km (0.1 R)
• M7: 3,781,086 km (0.083 R)
• M8: 5,642,233 km (0.082 R)
• M9: 6,973,505 km (0.079 R)
• M10: 8,214,419 km (0.114 R)
• M11: 10,013,034 km (0.091 R)
• M12: 11,180,795 km (0.117 R)
• M13: 13,843,937 km (0.057 R)
• M14: 14,256,228 km (0.099 R)
• M15: 15,105,495 km (0.08 R)
• M16: 17,173,237 km (0.096 R)
• M17: 17,925,714 km (0.093 R)
• M18: 20,467,083 km (0.08 R)
• M19: 23,157,451 km (0.045 R)
• M20: 24,587,457 km (0.09 R)
• M21: 26,075,507 km (0.047 R)
• M22: 27,437,745 km (0.118 R)
• M23: 30,799,808 km (0.059 R)
• M24: 36,511,604 km (0.119 R)
• M25: 37,186,889 km (0.093 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: 259 - 16,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit