🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.4

Radius: 14.1

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.58 AU - 0.96 AU

Year: 451 Days

Day: 9.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 10,237,182 km

• M1: 176,675 km (0.074 R)
• M2: 666,010 km (0.109 R)
• M3: 1,205,160 km (0.092 R)
• M4: 1,708,408 km (0.113 R)
• M5: 2,214,198 km (0.109 R)
• M6: 2,671,220 km (0.058 R)
• M7: 3,202,890 km (0.057 R)
• M8: 3,681,304 km (0.114 R)
• M9: 4,316,198 km (0.056 R)
• M10: 5,254,924 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.5

Radius: 12.8

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.96 AU - 1.06 AU

Year: 677 Days

Day: 14.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 10,237,182 km

• M1: 159,172 km (0.117 R)
• M2: 597,344 km (0.113 R)
• M3: 1,051,673 km (0.083 R)
• M4: 1,491,491 km (0.1 R)
• M5: 2,056,073 km (0.113 R)
• M6: 2,635,166 km (0.025 R)
• M7: 3,308,207 km (0.094 R)
• M8: 4,376,187 km (0.102 R)
• M9: 5,268,687 km (0.098 R)
• M10: 5,739,173 km (0.102 R)
• M11: 6,984,126 km (0.097 R)
• M12: 7,483,334 km (0.102 R)
• M13: 8,030,713 km (0.084 R)
• M14: 8,528,275 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.7

Radius: 13.6

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.14 AU - 1.46 AU

Year: 988 Days

Day: 11.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 10,237,182 km

• M1: 169,195 km (0.073 R)
• M2: 592,856 km (0.105 R)
• M3: 1,162,824 km (0.107 R)
• M4: 1,699,581 km (0.104 R)
• M5: 2,368,583 km (0.07 R)
• M6: 2,971,911 km (0.094 R)
• M7: 3,472,615 km (0.068 R)
• M8: 4,206,543 km (0.086 R)
• M9: 5,738,874 km (0.034 R)
• M10: 6,411,615 km (0.082 R)
• M11: 7,136,417 km (0.041 R)
• M12: 7,616,776 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.6

Radius: 12.5

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.65 AU - 1.93 AU

Year: 1597 Days

Day: 8.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 10,237,182 km

• M1: 157,227 km (0.107 R)
• M2: 558,299 km (0.079 R)
• M3: 947,703 km (0.103 R)
• M4: 1,499,120 km (0.083 R)
• M5: 2,076,119 km (0.069 R)
• M6: 2,502,324 km (0.102 R)
• M7: 3,926,346 km (0.1 R)
• M8: 4,499,156 km (0.101 R)
• M9: 5,916,297 km (0.118 R)
• M10: 6,604,297 km (0.069 R)
• M11: 7,249,513 km (0.089 R)
• M12: 8,882,673 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.9

Radius: 12.1

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.45 AU - 2.27 AU

Year: 1692 Days

Day: 6.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 10,237,182 km

• M1: 150,495 km (0.114 R)
• M2: 621,130 km (0.101 R)
• M3: 1,047,335 km (0.099 R)
• M4: 1,630,168 km (0.11 R)
• M5: 2,151,217 km (0.066 R)
• M6: 2,604,200 km (0.067 R)
• M7: 3,009,460 km (0.109 R)
• M8: 3,999,200 km (0.047 R)
• M9: 4,597,591 km (0.07 R)
• M10: 6,473,549 km (0.082 R)
• M11: 7,124,748 km (0.099 R)
• M12: 7,530,906 km (0.089 R)
• M13: 8,334,397 km (0.032 R)
• M14: 8,814,606 km (0.077 R)
• M15: 9,373,055 km (0.106 R)
• M16: 10,367,132 km (0.09 R)
• M17: 11,056,629 km (0.073 R)
• M18: 11,706,781 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.5

Radius: 14.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.66 AU - 2.54 AU

Year: 2029 Days

Day: 13 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 10,237,182 km

• M1: 176,675 km (0.07 R)
• M2: 706,252 km (0.057 R)
• M3: 1,154,596 km (0.04 R)
• M4: 1,628,074 km (0.025 R)
• M5: 2,972,809 km (0.112 R)
• M6: 4,495,715 km (0.059 R)
• M7: 5,008,387 km (0.072 R)
• M8: 5,801,854 km (0.093 R)
• M9: 7,318,926 km (0.086 R)
• M10: 10,268,996 km (0.109 R)
• M11: 12,109,050 km (0.106 R)
• M12: 12,810,814 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.7

Radius: 13.5

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.55 AU - 3.93 AU

Year: 3889 Days

Day: 6.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 10,237,182 km

• M1: 167,998 km (0.117 R)
• M2: 642,972 km (0.076 R)
• M3: 1,150,707 km (0.083 R)
• M4: 1,610,122 km (0.119 R)
• M5: 2,165,280 km (0.093 R)
• M6: 2,710,115 km (0.113 R)
• M7: 3,545,470 km (0.095 R)
• M8: 4,868,364 km (0.069 R)
• M9: 5,559,057 km (0.101 R)
• M10: 5,986,757 km (0.034 R)
• M11: 6,876,715 km (0.07 R)
• M12: 7,643,554 km (0.087 R)
• M13: 8,429,990 km (0.113 R)
• M14: 8,957,920 km (0.034 R)
• M15: 9,669,258 km (0.094 R)
• M16: 10,332,875 km (0.07 R)
• M17: 10,894,315 km (0.115 R)
• M18: 12,750,526 km (0.099 R)
• M19: 15,191,365 km (0.117 R)
• M20: 16,032,105 km (0.098 R)
• M21: 17,081,534 km (0.1 R)
• M22: 19,382,199 km (0.102 R)
• M23: 19,839,670 km (0.11 R)
• M24: 24,590,898 km (0.05 R)
• M25: 26,783,704 km (0.068 R)
• M26: 27,433,557 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.4

Radius: 13.6

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.75 AU - 4.63 AU

Year: 5719 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 10,237,182 km

• M1: 195,524 km (0.104 R)
• M2: 634,893 km (0.068 R)
• M3: 1,817,016 km (0.096 R)
• M4: 2,638,906 km (0.072 R)
• M5: 3,505,377 km (0.095 R)
• M6: 4,232,423 km (0.037 R)
• M7: 6,374,066 km (0.116 R)
• M8: 7,806,316 km (0.112 R)
• M9: 9,616,151 km (0.052 R)
• M10: 10,057,016 km (0.119 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: 366 - 14,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit