🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.4

Radius: 12.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.62 AU - 0.64 AU

Year: 333 Days

Day: 6.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 56.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 78,411,395 km

• M1: 155,432 km (0.118 R)
• M2: 726,746 km (0.109 R)
• M3: 1,159,832 km (0.117 R)
• M4: 1,790,687 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.7

Radius: 13.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.57 AU - 1.57 AU

Year: 1312 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,411,395 km

• M1: 165,455 km (0.041 R)
• M2: 853,306 km (0.107 R)
• M3: 1,288,187 km (0.117 R)
• M4: 1,827,637 km (0.118 R)
• M5: 2,284,359 km (0.108 R)
• M6: 2,727,768 km (0.064 R)
• M7: 3,330,497 km (0.076 R)
• M8: 4,173,781 km (0.115 R)
• M9: 4,997,616 km (0.087 R)
• M10: 5,668,563 km (0.106 R)
• M11: 7,042,619 km (0.085 R)
• M12: 9,504,850 km (0.102 R)
• M13: 10,963,729 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.4

Radius: 11.4

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.95 AU - 2.25 AU

Year: 2029 Days

Day: 13.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,411,395 km

• M1: 142,118 km (0.081 R)
• M2: 518,955 km (0.102 R)
• M3: 1,688,511 km (0.047 R)
• M4: 2,591,334 km (0.099 R)
• M5: 3,235,652 km (0.117 R)
• M6: 5,847,033 km (0.11 R)
• M7: 6,299,866 km (0.074 R)
• M8: 7,195,358 km (0.093 R)
• M9: 8,619,231 km (0.091 R)
• M10: 9,333,860 km (0.108 R)
• M11: 10,427,869 km (0.095 R)
• M12: 11,095,524 km (0.1 R)
• M13: 14,181,130 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 8.3

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.36 AU - 3.92 AU

Year: 4631 Days

Day: 14.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,411,395 km

• M1: 103,223 km (0.04 R)
• M2: 385,663 km (0.065 R)
• M3: 662,270 km (0.107 R)
• M4: 924,515 km (0.118 R)
• M5: 1,707,510 km (0.075 R)
• M6: 1,983,369 km (0.099 R)
• M7: 3,363,409 km (0.105 R)
• M8: 4,888,559 km (0.038 R)
• M9: 5,345,581 km (0.074 R)
• M10: 9,420,627 km (0.111 R)
• M11: 10,008,546 km (0.11 R)
• M12: 10,454,946 km (0.093 R)
• M13: 10,872,324 km (0.08 R)
• M14: 11,607,299 km (0.078 R)
• M15: 12,937,074 km (0.093 R)
• M16: 13,224,302 km (0.118 R)
• M17: 14,621,995 km (0.076 R)
• M18: 15,144,092 km (0.092 R)
• M19: 15,787,063 km (0.119 R)
• M20: 16,336,686 km (0.092 R)
• M21: 17,185,055 km (0.084 R)
• M22: 18,361,343 km (0.109 R)
• M23: 19,653,271 km (0.113 R)
• M24: 19,969,670 km (0.081 R)
• M25: 21,939,575 km (0.076 R)
• M26: 22,555,021 km (0.049 R)
• M27: 24,035,591 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.5

Radius: 9.4

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.52 AU - 4.3 AU

Year: 5156 Days

Day: 10.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,411,395 km

• M1: 134,339 km (0.092 R)
• M2: 459,565 km (0.074 R)
• M3: 871,408 km (0.118 R)
• M4: 1,294,919 km (0.052 R)
• M5: 2,212,553 km (0.107 R)
• M6: 2,954,558 km (0.081 R)
• M7: 3,257,045 km (0.109 R)
• M8: 4,654,139 km (0.085 R)
• M9: 5,805,145 km (0.073 R)
• M10: 6,820,317 km (0.081 R)
• M11: 8,578,989 km (0.068 R)
• M12: 8,947,449 km (0.083 R)
• M13: 10,116,706 km (0.092 R)
• M14: 10,481,874 km (0.092 R)
• M15: 12,546,175 km (0.108 R)
• M16: 16,691,831 km (0.093 R)
• M17: 17,789,281 km (0.057 R)
• M18: 19,280,024 km (0.096 R)
• M19: 19,700,693 km (0.058 R)
• M20: 21,972,337 km (0.106 R)
• M21: 28,450,074 km (0.055 R)
• M22: 32,415,764 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24

Radius: 13.1

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.87 AU - 6.55 AU

Year: 9099 Days

Day: 12.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,411,395 km

• M1: 167,101 km (0.098 R)
• M2: 601,084 km (0.103 R)
• M3: 1,026,840 km (0.074 R)
• M4: 1,437,785 km (0.117 R)
• M5: 1,845,140 km (0.045 R)
• M6: 2,469,113 km (0.065 R)
• M7: 3,261,982 km (0.062 R)
• M8: 6,916,358 km (0.066 R)
• M9: 7,343,759 km (0.113 R)
• M10: 8,134,683 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.3

Radius: 7.5

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 9.76 AU - 11.84 AU

Year: 23668 Days

Day: 23.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,411,395 km

• M1: 96,640 km (0.097 R)
• M2: 458,069 km (0.1 R)
• M3: 729,290 km (0.086 R)
• M4: 1,033,721 km (0.098 R)
• M5: 1,273,527 km (0.069 R)
• M6: 1,669,363 km (0.119 R)
• M7: 1,944,772 km (0.077 R)
• M8: 2,564,556 km (0.074 R)
• M9: 2,985,226 km (0.111 R)
• M10: 3,567,610 km (0.106 R)
• M11: 3,933,078 km (0.098 R)
• M12: 5,030,827 km (0.111 R)
• M13: 6,063,052 km (0.084 R)
• M14: 6,674,159 km (0.115 R)
• M15: 6,948,372 km (0.112 R)
• M16: 7,470,618 km (0.088 R)
• M17: 10,360,550 km (0.039 R)
• M18: 12,425,599 km (0.108 R)
• M19: 13,194,682 km (0.096 R)
• M20: 13,700,323 km (0.063 R)
• M21: 15,060,167 km (0.09 R)
• M22: 16,096,581 km (0.076 R)
• M23: 17,695,783 km (0.103 R)
• M24: 25,156,079 km (0.089 R)
• M25: 25,933,539 km (0.103 R)
• M26: 30,186,307 km (0.113 R)
• M27: 31,190,707 km (0.088 R)
• M28: 34,473,034 km (0.107 R)
• M29: 44,712,859 km (0.114 R)
• M30: 46,017,203 km (0.095 R)
• M31: 49,216,054 km (0.117 R)
• M32: 56,240,871 km (0.094 R)
• M33: 57,187,227 km (0.088 R)
• M34: 65,976,999 km (0.086 R)
• M35: 66,607,106 km (0.103 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: 305 - 11,814 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit