🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875

Radius: 8.3

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.54 AU - 1.6 AU

Year: 1312 Days

Day: 12.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,555,851 km

• M1: 103,223 km (0.045 R)
• M2: 511,774 km (0.07 R)
• M3: 772,673 km (0.069 R)
• M4: 1,253,780 km (0.086 R)
• M5: 1,595,312 km (0.109 R)
• M6: 1,923,230 km (0.074 R)
• M7: 2,405,683 km (0.039 R)
• M8: 2,716,398 km (0.11 R)
• M9: 3,678,612 km (0.108 R)
• M10: 4,329,811 km (0.038 R)
• M11: 4,595,497 km (0.101 R)
• M12: 5,437,135 km (0.111 R)
• M13: 5,769,391 km (0.091 R)
• M14: 6,899,603 km (0.091 R)
• M15: 7,916,271 km (0.039 R)
• M16: 8,228,332 km (0.032 R)
• M17: 8,816,850 km (0.069 R)
• M18: 9,090,763 km (0.056 R)
• M19: 10,751,599 km (0.109 R)
• M20: 12,836,694 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.2

Radius: 14.6

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.37 AU - 3.45 AU

Year: 3310 Days

Day: 9.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,555,851 km

• M1: 186,997 km (0.094 R)
• M2: 1,035,367 km (0.098 R)
• M3: 1,498,821 km (0.12 R)
• M4: 2,415,856 km (0.091 R)
• M5: 3,028,160 km (0.101 R)
• M6: 3,564,020 km (0.086 R)
• M7: 4,499,306 km (0.099 R)
• M8: 5,000,608 km (0.102 R)
• M9: 5,646,422 km (0.031 R)
• M10: 6,554,032 km (0.09 R)
• M11: 8,877,886 km (0.115 R)
• M12: 11,184,535 km (0.063 R)
• M13: 11,663,398 km (0.049 R)
• M14: 12,756,210 km (0.103 R)
• M15: 13,327,674 km (0.101 R)
• M16: 14,573,376 km (0.049 R)
• M17: 15,092,929 km (0.078 R)
• M18: 17,937,682 km (0.117 R)
• M19: 19,268,804 km (0.055 R)
• M20: 20,600,076 km (0.076 R)
• M21: 21,321,437 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.3

Radius: 9

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.68 AU - 3.36 AU

Year: 3500 Days

Day: 9.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,555,851 km

• M1: 112,198 km (0.109 R)
• M2: 399,875 km (0.064 R)
• M3: 833,859 km (0.085 R)
• M4: 1,154,297 km (0.102 R)
• M5: 1,708,707 km (0.073 R)
• M6: 2,054,278 km (0.103 R)
• M7: 3,083,212 km (0.099 R)
• M8: 3,499,992 km (0.098 R)
• M9: 3,847,358 km (0.111 R)
• M10: 6,203,076 km (0.059 R)
• M11: 7,415,866 km (0.072 R)
• M12: 8,854,249 km (0.077 R)
• M13: 9,269,832 km (0.089 R)
• M14: 9,777,717 km (0.082 R)
• M15: 10,721,829 km (0.109 R)
• M16: 11,194,259 km (0.117 R)
• M17: 12,459,558 km (0.083 R)
• M18: 13,518,860 km (0.091 R)
• M19: 15,058,372 km (0.093 R)
• M20: 15,651,228 km (0.116 R)
• M21: 21,233,623 km (0.089 R)
• M22: 23,378,856 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.2

Radius: 10.5

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.41 AU - 4.47 AU

Year: 5215 Days

Day: 9.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,555,851 km

• M1: 180,265 km (0.094 R)
• M2: 644,318 km (0.116 R)
• M3: 1,208,302 km (0.033 R)
• M4: 1,884,784 km (0.095 R)
• M5: 2,761,726 km (0.052 R)
• M6: 3,095,629 km (0.09 R)
• M7: 3,691,178 km (0.077 R)
• M8: 4,098,234 km (0.03 R)
• M9: 4,661,918 km (0.112 R)
• M10: 6,346,390 km (0.092 R)
• M11: 7,734,360 km (0.041 R)
• M12: 8,064,372 km (0.101 R)
• M13: 8,871,303 km (0.035 R)
• M14: 13,207,547 km (0.086 R)
• M15: 13,733,234 km (0.107 R)
• M16: 17,940,824 km (0.079 R)
• M17: 18,848,584 km (0.082 R)
• M18: 19,582,960 km (0.117 R)
• M19: 27,327,641 km (0.074 R)
• M20: 27,923,789 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.9

Radius: 11.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.6 AU - 5.4 AU

Year: 6366 Days

Day: 11.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,555,851 km

• M1: 145,260 km (0.111 R)
• M2: 536,608 km (0.068 R)
• M3: 1,791,285 km (0.114 R)
• M4: 2,452,358 km (0.098 R)
• M5: 3,270,209 km (0.113 R)
• M6: 3,649,440 km (0.071 R)
• M7: 4,133,688 km (0.068 R)
• M8: 4,660,422 km (0.101 R)
• M9: 5,351,265 km (0.106 R)
• M10: 5,753,385 km (0.056 R)
• M11: 6,142,339 km (0.105 R)
• M12: 6,548,946 km (0.074 R)
• M13: 8,358,931 km (0.068 R)
• M14: 9,291,374 km (0.086 R)
• M15: 9,737,625 km (0.098 R)
• M16: 11,262,476 km (0.103 R)
• M17: 16,398,171 km (0.112 R)
• M18: 17,316,851 km (0.082 R)
• M19: 20,204,988 km (0.086 R)
• M20: 22,115,502 km (0.076 R)
• M21: 23,399,949 km (0.108 R)
• M22: 25,418,773 km (0.084 R)
• M23: 27,097,261 km (0.098 R)
• M24: 29,896,386 km (0.113 R)
• M25: 30,772,432 km (0.07 R)
• M26: 36,281,972 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.7

Radius: 7.3

Gravity: 13.41 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.05 AU - 9.35 AU

Year: 15659 Days

Day: 21.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,555,851 km

• M1: 90,806 km (0.093 R)
• M2: 460,013 km (0.083 R)
• M3: 697,126 km (0.11 R)
• M4: 1,077,254 km (0.111 R)
• M5: 1,393,654 km (0.093 R)
• M6: 2,041,113 km (0.051 R)
• M7: 3,069,449 km (0.039 R)
• M8: 3,885,206 km (0.056 R)
• M9: 4,702,459 km (0.119 R)
• M10: 5,898,644 km (0.107 R)
• M11: 6,504,515 km (0.116 R)
• M12: 7,195,807 km (0.11 R)
• M13: 7,792,703 km (0.104 R)
• M14: 8,372,544 km (0.1 R)
• M15: 10,571,932 km (0.092 R)
• M16: 12,930,043 km (0.086 R)
• M17: 14,231,245 km (0.039 R)
• M18: 17,986,302 km (0.109 R)
• M19: 21,878,389 km (0.066 R)
• M20: 23,127,681 km (0.116 R)
• M21: 24,934,973 km (0.114 R)
• M22: 25,245,089 km (0.112 R)
• M23: 25,662,617 km (0.118 R)
• M24: 28,041,672 km (0.072 R)
• M25: 31,758,581 km (0.094 R)
• M26: 35,529,793 km (0.115 R)
• M27: 35,922,637 km (0.115 R)
• M28: 36,984,334 km (0.1 R)
• M29: 37,930,241 km (0.117 R)
• M30: 41,296,043 km (0.086 R)
• M31: 42,460,663 km (0.066 R)
• M32: 43,947,217 km (0.067 R)
• M33: 57,468,770 km (0.104 R)
• M34: 59,286,384 km (0.051 R)
• M35: 65,163,785 km (0.025 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 13,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit