🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

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: 83.7

Radius: 13.6

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.74 AU - 0.8 AU

Year: 458 Days

Day: 11.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,673,967 km

• M1: 169,943 km (0.065 R)
• M2: 736,321 km (0.104 R)
• M3: 1,203,216 km (0.092 R)
• M4: 1,992,644 km (0.072 R)
• M5: 2,620,207 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.1

Radius: 11.6

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.75 AU - 1.01 AU

Year: 560 Days

Day: 14.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,673,967 km

• M1: 144,811 km (0.041 R)
• M2: 614,698 km (0.035 R)
• M3: 976,575 km (0.062 R)
• M4: 1,390,363 km (0.09 R)
• M5: 1,862,942 km (0.063 R)
• M6: 2,348,088 km (0.091 R)
• M7: 3,362,362 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.7

Radius: 8.7

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.99 AU - 1.09 AU

Year: 719 Days

Day: 11.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,673,967 km

• M1: 108,309 km (0.045 R)
• M2: 482,752 km (0.088 R)
• M3: 833,709 km (0.079 R)
• M4: 1,327,382 km (0.084 R)
• M5: 1,776,774 km (0.117 R)
• M6: 2,224,820 km (0.063 R)
• M7: 3,104,754 km (0.114 R)
• M8: 3,534,698 km (0.063 R)
• M9: 4,450,088 km (0.097 R)
• M10: 5,225,454 km (0.074 R)
• M11: 5,570,875 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.5

Radius: 9.1

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.51 AU - 1.59 AU

Year: 1309 Days

Day: 5.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,673,967 km

• M1: 113,246 km (0.083 R)
• M2: 431,739 km (0.117 R)
• M3: 837,898 km (0.09 R)
• M4: 1,203,365 km (0.079 R)
• M5: 1,555,219 km (0.096 R)
• M6: 2,265,809 km (0.069 R)
• M7: 3,207,827 km (0.088 R)
• M8: 3,945,195 km (0.08 R)
• M9: 4,446,797 km (0.116 R)
• M10: 5,278,262 km (0.062 R)
• M11: 6,814,333 km (0.109 R)
• M12: 7,807,662 km (0.036 R)
• M13: 8,425,053 km (0.063 R)
• M14: 8,834,801 km (0.08 R)
• M15: 10,574,475 km (0.079 R)
• M16: 10,879,356 km (0.048 R)
• M17: 11,295,238 km (0.117 R)
• M18: 11,829,900 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.4

Radius: 11.4

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.57 AU - 1.57 AU

Year: 1334 Days

Day: 7.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,673,967 km

• M1: 141,819 km (0.03 R)
• M2: 518,207 km (0.087 R)
• M3: 964,906 km (0.057 R)
• M4: 1,386,922 km (0.102 R)
• M5: 1,849,778 km (0.104 R)
• M6: 2,515,787 km (0.095 R)
• M7: 3,558,485 km (0.109 R)
• M8: 4,088,061 km (0.068 R)
• M9: 4,991,034 km (0.088 R)
• M10: 6,092,822 km (0.05 R)
• M11: 6,626,138 km (0.078 R)
• M12: 7,430,377 km (0.057 R)
• M13: 7,814,394 km (0.09 R)
• M14: 8,211,726 km (0.099 R)
• M15: 8,682,212 km (0.111 R)
• M16: 9,358,544 km (0.097 R)
• M17: 9,742,113 km (0.114 R)
• M18: 10,370,872 km (0.066 R)
• M19: 12,230,972 km (0.091 R)
• M20: 13,279,953 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.3

Radius: 9.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.26 AU - 3.88 AU

Year: 4575 Days

Day: 13.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,673,967 km

• M1: 118,631 km (0.117 R)
• M2: 414,536 km (0.095 R)
• M3: 765,343 km (0.115 R)
• M4: 2,859,563 km (0.066 R)
• M5: 3,494,157 km (0.109 R)
• M6: 4,045,575 km (0.037 R)
• M7: 4,583,380 km (0.095 R)
• M8: 5,219,320 km (0.11 R)
• M9: 5,612,164 km (0.119 R)
• M10: 6,053,029 km (0.036 R)
• M11: 6,726,967 km (0.097 R)
• M12: 7,098,120 km (0.111 R)
• M13: 7,548,260 km (0.109 R)
• M14: 8,120,472 km (0.09 R)
• M15: 8,757,459 km (0.086 R)
• M16: 9,503,953 km (0.093 R)
• M17: 11,731,615 km (0.082 R)
• M18: 12,499,650 km (0.11 R)
• M19: 13,348,917 km (0.062 R)
• M20: 13,886,572 km (0.069 R)
• M21: 15,693,714 km (0.07 R)
• M22: 16,458,758 km (0.093 R)
• M23: 17,191,189 km (0.057 R)
• M24: 18,240,917 km (0.093 R)
• M25: 21,182,909 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.5

Radius: 3.7

Gravity: 55.84 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.98 AU - 6.76 AU

Year: 10904 Days

Day: 20.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,673,967 km

• M1: 46,226 km (0.117 R)
• M2: 273,914 km (0.07 R)
• M3: 454,478 km (0.103 R)
• M4: 621,878 km (0.057 R)
• M5: 764,445 km (0.05 R)
• M6: 1,937,292 km (0.101 R)
• M7: 3,388,990 km (0.099 R)
• M8: 5,269,435 km (0.082 R)
• M9: 7,661,505 km (0.038 R)
• M10: 10,690,713 km (0.1 R)
• M11: 11,585,009 km (0.099 R)
• M12: 15,733,208 km (0.106 R)
• M13: 19,363,649 km (0.093 R)
• M14: 23,699,893 km (0.099 R)
• M15: 25,699,119 km (0.117 R)
• M16: 30,029,379 km (0.12 R)
• M17: 31,350,328 km (0.063 R)
• M18: 39,835,819 km (0.102 R)
• M19: 41,160,508 km (0.103 R)
• M20: 43,479,574 km (0.115 R)
• M21: 48,824,706 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 11,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit