🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.2

Radius: 10.4

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.62 AU - 0.96 AU

Year: 446 Days

Day: 14.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,689,125 km

• M1: 129,402 km (0.118 R)
• M2: 494,122 km (0.105 R)
• M3: 1,056,460 km (0.078 R)
• M4: 1,620,893 km (0.076 R)
• M5: 1,956,740 km (0.071 R)
• M6: 2,836,824 km (0.099 R)
• M7: 3,827,013 km (0.081 R)
• M8: 4,687,200 km (0.036 R)
• M9: 6,194,100 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.8

Radius: 8.9

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.84 AU - 0.92 AU

Year: 525 Days

Day: 9.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,689,125 km

• M1: 110,702 km (0.104 R)
• M2: 441,463 km (0.035 R)
• M3: 750,383 km (0.025 R)
• M4: 1,075,758 km (0.049 R)
• M5: 1,733,989 km (0.11 R)
• M6: 2,278,974 km (0.118 R)
• M7: 3,299,680 km (0.098 R)
• M8: 3,669,337 km (0.116 R)
• M9: 4,356,739 km (0.108 R)
• M10: 4,692,287 km (0.102 R)
• M11: 5,177,582 km (0.115 R)
• M12: 5,589,575 km (0.118 R)
• M13: 6,060,509 km (0.115 R)
• M14: 6,656,357 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.8

Radius: 9.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.75 AU - 1.19 AU

Year: 607 Days

Day: 8.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,689,125 km

• M1: 120,576 km (0.081 R)
• M2: 1,581,249 km (0.082 R)
• M3: 2,045,601 km (0.085 R)
• M4: 2,446,224 km (0.108 R)
• M5: 2,949,920 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.7

Radius: 9.5

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.5 AU - 2.38 AU

Year: 1718 Days

Day: 6 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,689,125 km

• M1: 118,182 km (0.076 R)
• M2: 457,620 km (0.069 R)
• M3: 888,911 km (0.088 R)
• M4: 1,828,684 km (0.069 R)
• M5: 2,194,002 km (0.048 R)
• M6: 2,967,423 km (0.093 R)
• M7: 3,715,862 km (0.067 R)
• M8: 4,484,495 km (0.056 R)
• M9: 5,089,469 km (0.087 R)
• M10: 5,607,227 km (0.073 R)
• M11: 5,915,249 km (0.11 R)
• M12: 6,259,474 km (0.062 R)
• M13: 8,096,686 km (0.101 R)
• M14: 8,521,843 km (0.114 R)
• M15: 9,025,988 km (0.069 R)
• M16: 9,819,305 km (0.102 R)
• M17: 10,128,524 km (0.084 R)
• M18: 10,730,356 km (0.116 R)
• M19: 12,083,618 km (0.046 R)
• M20: 12,964,600 km (0.099 R)
• M21: 14,017,171 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.5

Radius: 12.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.85 AU - 6.01 AU

Year: 6960 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,689,125 km

• M1: 162,164 km (0.083 R)
• M2: 709,692 km (0.082 R)
• M3: 1,521,859 km (0.027 R)
• M4: 2,047,845 km (0.058 R)
• M5: 2,533,739 km (0.032 R)
• M6: 4,171,836 km (0.084 R)
• M7: 4,694,381 km (0.073 R)
• M8: 5,895,502 km (0.098 R)
• M9: 7,183,391 km (0.118 R)
• M10: 8,681,613 km (0.117 R)
• M11: 9,635,898 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.2

Radius: 3.7

Gravity: 37.27 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.23 AU - 9.31 AU

Year: 15121 Days

Day: 17.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,689,125 km

• M1: 46,076 km (0.085 R)
• M2: 289,173 km (0.071 R)
• M3: 470,186 km (0.067 R)
• M4: 1,134,700 km (0.084 R)
• M5: 1,301,501 km (0.108 R)
• M6: 1,574,966 km (0.086 R)
• M7: 2,027,650 km (0.094 R)
• M8: 2,519,378 km (0.056 R)
• M9: 4,133,988 km (0.09 R)
• M10: 6,530,845 km (0.074 R)
• M11: 6,652,169 km (0.108 R)
• M12: 6,983,079 km (0.045 R)
• M13: 9,561,847 km (0.069 R)
• M14: 10,361,897 km (0.101 R)
• M15: 11,555,538 km (0.097 R)
• M16: 13,028,329 km (0.069 R)
• M17: 13,611,461 km (0.114 R)
• M18: 14,415,849 km (0.087 R)
• M19: 14,829,637 km (0.115 R)
• M20: 17,325,378 km (0.038 R)
• M21: 23,411,468 km (0.107 R)
• M22: 25,352,202 km (0.077 R)
• M23: 25,551,915 km (0.092 R)
• M24: 28,676,117 km (0.071 R)
• M25: 36,552,594 km (0.116 R)
• M26: 37,579,733 km (0.096 R)
• M27: 37,709,434 km (0.117 R)
• M28: 42,299,995 km (0.105 R)
• M29: 45,607,903 km (0.063 R)
• M30: 49,083,959 km (0.089 R)
• M31: 52,732,651 km (0.1 R)
• M32: 54,208,284 km (0.082 R)
• M33: 55,207,149 km (0.059 R)
• M34: 55,879,741 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.2

Radius: 3

Gravity: 87.69 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.57 AU - 10.59 AU

Year: 20348 Days

Day: 19.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,689,125 km

• M1: 169,794 km (0.118 R)
• M2: 492,177 km (0.091 R)
• M3: 1,097,450 km (0.109 R)
• M4: 2,325,648 km (0.091 R)
• M5: 2,831,588 km (0.119 R)
• M6: 3,349,197 km (0.101 R)
• M7: 4,393,390 km (0.086 R)
• M8: 6,675,955 km (0.062 R)
• M9: 7,939,009 km (0.099 R)
• M10: 8,680,865 km (0.028 R)
• M11: 9,525,944 km (0.084 R)
• M12: 9,701,272 km (0.112 R)
• M13: 10,862,152 km (0.072 R)
• M14: 13,676,537 km (0.088 R)
• M15: 14,506,805 km (0.111 R)
• M16: 18,889,274 km (0.071 R)
• M17: 19,633,374 km (0.079 R)
• M18: 19,822,316 km (0.104 R)
• M19: 24,841,474 km (0.075 R)
• M20: 33,118,425 km (0.096 R)
• M21: 41,641,465 km (0.11 R)
• M22: 43,858,505 km (0.044 R)
• M23: 49,742,638 km (0.062 R)
• M24: 54,067,662 km (0.078 R)
• M25: 60,814,227 km (0.101 R)
• M26: 71,616,091 km (0.092 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 19,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit