🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.8

Radius: 9.4

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.63 AU - 0.79 AU

Year: 413 Days

Day: 7.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,195,318 km

• M1: 120,576 km (0.053 R)
• M2: 428,149 km (0.067 R)
• M3: 753,973 km (0.044 R)
• M4: 1,054,216 km (0.114 R)
• M5: 1,476,830 km (0.078 R)
• M6: 1,885,980 km (0.036 R)
• M7: 2,506,064 km (0.1 R)
• M8: 2,815,582 km (0.12 R)
• M9: 3,232,660 km (0.109 R)
• M10: 4,262,642 km (0.03 R)
• M11: 4,630,353 km (0.058 R)
• M12: 4,955,579 km (0.092 R)
• M13: 5,379,390 km (0.082 R)
• M14: 5,845,088 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.1

Radius: 12.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.15 AU - 1.57 AU

Year: 1095 Days

Day: 14.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,195,318 km

• M1: 157,975 km (0.029 R)
• M2: 642,074 km (0.055 R)
• M3: 1,234,182 km (0.087 R)
• M4: 3,402,753 km (0.117 R)
• M5: 4,459,513 km (0.085 R)
• M6: 4,933,289 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.2

Radius: 14.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.49 AU - 2.05 AU

Year: 1625 Days

Day: 12.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,195,318 km

• M1: 184,155 km (0.111 R)
• M2: 714,330 km (0.075 R)
• M3: 1,247,497 km (0.088 R)
• M4: 1,774,380 km (0.069 R)
• M5: 2,426,627 km (0.096 R)
• M6: 3,453,916 km (0.067 R)
• M7: 4,148,798 km (0.072 R)
• M8: 4,617,338 km (0.075 R)
• M9: 5,376,398 km (0.107 R)
• M10: 8,782,143 km (0.087 R)
• M11: 9,819,155 km (0.109 R)
• M12: 11,006,813 km (0.109 R)
• M13: 11,764,077 km (0.05 R)
• M14: 12,633,241 km (0.097 R)
• M15: 13,585,282 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.1

Radius: 13.4

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.22 AU - 3.58 AU

Year: 3409 Days

Day: 9 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,195,318 km

• M1: 170,093 km (0.079 R)
• M2: 589,416 km (0.084 R)
• M3: 1,142,030 km (0.116 R)
• M4: 1,682,976 km (0.09 R)
• M5: 2,394,314 km (0.082 R)
• M6: 3,094,881 km (0.08 R)
• M7: 3,928,889 km (0.04 R)
• M8: 4,399,524 km (0.043 R)
• M9: 5,070,321 km (0.061 R)
• M10: 6,960,939 km (0.093 R)
• M11: 7,591,942 km (0.117 R)
• M12: 9,003,249 km (0.074 R)
• M13: 9,789,984 km (0.117 R)
• M14: 10,314,025 km (0.063 R)
• M15: 10,856,766 km (0.083 R)
• M16: 12,731,976 km (0.114 R)
• M17: 14,961,133 km (0.076 R)
• M18: 15,406,337 km (0.118 R)
• M19: 16,584,719 km (0.061 R)
• M20: 18,043,747 km (0.089 R)
• M21: 18,605,188 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.6

Radius: 10.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.18 AU - 5.1 AU

Year: 5814 Days

Day: 11.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,195,318 km

• M1: 134,339 km (0.069 R)
• M2: 497,263 km (0.101 R)
• M3: 1,627,774 km (0.064 R)
• M4: 2,306,500 km (0.104 R)
• M5: 2,778,332 km (0.097 R)
• M6: 4,003,389 km (0.116 R)
• M7: 4,545,681 km (0.102 R)
• M8: 5,585,237 km (0.117 R)
• M9: 9,076,701 km (0.079 R)
• M10: 12,128,348 km (0.084 R)
• M11: 13,659,782 km (0.11 R)
• M12: 14,472,098 km (0.081 R)
• M13: 14,943,032 km (0.108 R)
• M14: 15,586,752 km (0.053 R)
• M15: 19,780,728 km (0.075 R)
• M16: 20,166,391 km (0.099 R)
• M17: 21,420,770 km (0.073 R)
• M18: 21,827,526 km (0.109 R)
• M19: 24,895,030 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.8

Radius: 11.5

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.03 AU - 6.15 AU

Year: 7927 Days

Day: 7.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,195,318 km

• M1: 144,063 km (0.082 R)
• M2: 813,962 km (0.069 R)
• M3: 1,592,320 km (0.036 R)
• M4: 2,775,489 km (0.072 R)
• M5: 5,348,273 km (0.092 R)
• M6: 6,814,632 km (0.065 R)
• M7: 9,780,559 km (0.087 R)
• M8: 11,465,630 km (0.085 R)
• M9: 13,819,403 km (0.068 R)
• M10: 14,313,674 km (0.081 R)
• M11: 16,547,320 km (0.069 R)
• M12: 17,388,359 km (0.056 R)
• M13: 18,703,175 km (0.095 R)
• M14: 20,797,994 km (0.056 R)
• M15: 21,694,683 km (0.091 R)
• M16: 23,652,770 km (0.065 R)
• M17: 24,093,635 km (0.075 R)
• M18: 25,633,446 km (0.113 R)
• M19: 26,098,695 km (0.106 R)
• M20: 27,238,032 km (0.067 R)
• M21: 27,722,430 km (0.092 R)
• M22: 31,700,387 km (0.061 R)
• M23: 33,326,666 km (0.117 R)
• M24: 33,769,625 km (0.08 R)
• M25: 34,328,822 km (0.056 R)
• M26: 35,236,432 km (0.101 R)
• M27: 38,417,631 km (0.106 R)
• M28: 39,149,763 km (0.118 R)
• M29: 41,147,642 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.8

Radius: 5.6

Gravity: 16.64 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.56 AU - 8.34 AU

Year: 12647 Days

Day: 22.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,195,318 km

• M1: 72,405 km (0.103 R)
• M2: 263,741 km (0.101 R)
• M3: 577,747 km (0.095 R)
• M4: 1,156,242 km (0.094 R)
• M5: 1,342,491 km (0.1 R)
• M6: 2,897,262 km (0.086 R)
• M7: 3,268,564 km (0.112 R)
• M8: 3,516,448 km (0.08 R)
• M9: 4,365,565 km (0.114 R)
• M10: 5,111,161 km (0.112 R)
• M11: 5,618,447 km (0.096 R)
• M12: 6,422,087 km (0.096 R)
• M13: 7,134,622 km (0.115 R)
• M14: 11,731,315 km (0.109 R)
• M15: 14,110,071 km (0.068 R)
• M16: 14,370,820 km (0.108 R)
• M17: 18,445,567 km (0.093 R)
• M18: 19,714,157 km (0.071 R)
• M19: 20,871,147 km (0.107 R)
• M20: 23,228,809 km (0.088 R)
• M21: 24,331,495 km (0.115 R)
• M22: 26,939,136 km (0.099 R)
• M23: 27,441,635 km (0.114 R)
• M24: 30,916,345 km (0.117 R)
• M25: 31,246,058 km (0.07 R)
• M26: 33,044,374 km (0.073 R)
• M27: 33,504,388 km (0.085 R)
• M28: 35,507,653 km (0.105 R)
• M29: 40,010,549 km (0.099 R)
• M30: 46,012,864 km (0.114 R)
• M31: 46,442,659 km (0.118 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: 431 - 10,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit