🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.2

Radius: 13.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.92 AU - 0.98 AU

Year: 651 Days

Day: 14.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,859,981 km

• M1: 176,675 km (0.035 R)
• M2: 650,003 km (0.067 R)
• M3: 1,145,172 km (0.116 R)
• M4: 1,628,672 km (0.072 R)
• M5: 2,097,362 km (0.117 R)
• M6: 2,537,479 km (0.086 R)
• M7: 3,138,264 km (0.114 R)
• M8: 3,963,296 km (0.118 R)
• M9: 4,760,204 km (0.112 R)
• M10: 5,313,118 km (0.086 R)
• M11: 5,908,817 km (0.081 R)
• M12: 6,993,700 km (0.098 R)
• M13: 7,641,459 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.9

Radius: 11.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.85 AU - 1.13 AU

Year: 692 Days

Day: 14.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,859,981 km

• M1: 144,212 km (0.033 R)
• M2: 556,654 km (0.082 R)
• M3: 964,757 km (0.088 R)
• M4: 1,614,909 km (0.053 R)
• M5: 2,491,702 km (0.089 R)
• M6: 2,904,143 km (0.102 R)
• M7: 3,352,189 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.6

Radius: 10.2

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.05 AU - 1.13 AU

Year: 800 Days

Day: 11.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,859,981 km

• M1: 127,158 km (0.077 R)
• M2: 512,522 km (0.1 R)
• M3: 1,203,664 km (0.11 R)
• M4: 1,691,503 km (0.107 R)
• M5: 2,035,279 km (0.078 R)
• M6: 2,415,258 km (0.086 R)
• M7: 3,081,417 km (0.094 R)
• M8: 3,430,279 km (0.06 R)
• M9: 3,987,980 km (0.091 R)
• M10: 4,570,963 km (0.105 R)
• M11: 4,954,681 km (0.092 R)
• M12: 5,493,383 km (0.113 R)
• M13: 6,321,408 km (0.113 R)
• M14: 6,955,703 km (0.102 R)
• M15: 7,655,970 km (0.075 R)
• M16: 8,767,183 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.5

Radius: 9.5

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.18 AU - 3.54 AU

Year: 3400 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,859,981 km

• M1: 118,182 km (0.089 R)
• M2: 488,287 km (0.106 R)
• M3: 967,150 km (0.084 R)
• M4: 1,304,942 km (0.083 R)
• M5: 2,813,786 km (0.084 R)
• M6: 3,642,409 km (0.044 R)
• M7: 3,958,659 km (0.06 R)
• M8: 4,395,335 km (0.1 R)
• M9: 5,484,108 km (0.101 R)
• M10: 6,078,909 km (0.097 R)
• M11: 6,606,840 km (0.11 R)
• M12: 6,966,324 km (0.03 R)
• M13: 8,666,205 km (0.086 R)
• M14: 9,165,114 km (0.074 R)
• M15: 9,542,848 km (0.11 R)
• M16: 11,551,050 km (0.066 R)
• M17: 12,155,425 km (0.079 R)
• M18: 14,369,324 km (0.064 R)
• M19: 15,354,426 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.5

Radius: 12.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.21 AU - 4.01 AU

Year: 4821 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,859,981 km

• M1: 150,495 km (0.085 R)
• M2: 598,990 km (0.092 R)
• M3: 991,535 km (0.091 R)
• M4: 1,694,046 km (0.064 R)
• M5: 2,509,355 km (0.081 R)
• M6: 2,988,965 km (0.075 R)
• M7: 3,408,288 km (0.06 R)
• M8: 4,111,847 km (0.062 R)
• M9: 4,510,825 km (0.098 R)
• M10: 5,278,710 km (0.107 R)
• M11: 6,042,557 km (0.118 R)
• M12: 8,003,636 km (0.073 R)
• M13: 9,689,454 km (0.1 R)
• M14: 13,959,576 km (0.101 R)
• M15: 17,036,804 km (0.085 R)
• M16: 18,574,670 km (0.071 R)
• M17: 22,209,449 km (0.105 R)
• M18: 23,892,426 km (0.046 R)
• M19: 26,775,924 km (0.034 R)
• M20: 27,428,620 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.7

Radius: 14.2

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.87 AU - 6.05 AU

Year: 7765 Days

Day: 12.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,859,981 km

• M1: 214,224 km (0.101 R)
• M2: 747,690 km (0.107 R)
• M3: 1,228,947 km (0.059 R)
• M4: 2,311,138 km (0.103 R)
• M5: 3,325,860 km (0.071 R)
• M6: 3,980,650 km (0.085 R)
• M7: 4,620,031 km (0.115 R)
• M8: 5,664,374 km (0.074 R)
• M9: 6,893,470 km (0.054 R)
• M10: 7,501,735 km (0.071 R)
• M11: 8,982,455 km (0.108 R)
• M12: 13,116,891 km (0.114 R)
• M13: 14,867,186 km (0.034 R)
• M14: 17,314,158 km (0.083 R)
• M15: 19,616,170 km (0.091 R)
• M16: 21,756,467 km (0.052 R)
• M17: 22,406,021 km (0.107 R)
• M18: 28,332,490 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.9

Radius: 6.7

Gravity: 14.19 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.98 AU - 6.1 AU

Year: 10434 Days

Day: 16.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 40,859,981 km

• M1: 83,476 km (0.087 R)
• M2: 327,769 km (0.114 R)
• M3: 594,951 km (0.081 R)
• M4: 927,806 km (0.081 R)
• M5: 1,160,730 km (0.075 R)
• M6: 1,599,351 km (0.085 R)
• M7: 2,232,748 km (0.116 R)
• M8: 2,576,674 km (0.071 R)
• M9: 4,317,095 km (0.079 R)
• M10: 4,790,423 km (0.09 R)
• M11: 5,701,324 km (0.11 R)
• M12: 6,419,095 km (0.089 R)
• M13: 10,617,559 km (0.055 R)
• M14: 10,881,749 km (0.096 R)
• M15: 11,150,427 km (0.072 R)
• M16: 11,423,443 km (0.111 R)
• M17: 12,501,744 km (0.066 R)
• M18: 14,212,396 km (0.104 R)
• M19: 15,190,317 km (0.112 R)
• M20: 15,593,783 km (0.085 R)
• M21: 16,775,606 km (0.072 R)
• M22: 19,949,774 km (0.041 R)
• M23: 20,352,342 km (0.103 R)
• M24: 22,103,085 km (0.088 R)
• M25: 23,235,840 km (0.093 R)
• M26: 23,771,550 km (0.062 R)
• M27: 24,406,743 km (0.11 R)
• M28: 24,960,255 km (0.093 R)
• M29: 25,806,081 km (0.107 R)
• M30: 27,954,008 km (0.105 R)
• M31: 35,225,212 km (0.112 R)
• M32: 37,252,114 km (0.093 R)
• M33: 39,734,690 km (0.068 R)
• M34: 45,164,794 km (0.112 R)
• M35: 46,560,392 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.7

Radius: 7.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.48 AU - 7.52 AU

Year: 11649 Days

Day: 15.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,859,981 km

• M1: 101,727 km (0.103 R)
• M2: 419,472 km (0.099 R)
• M3: 848,220 km (0.102 R)
• M4: 1,510,490 km (0.058 R)
• M5: 1,786,647 km (0.092 R)
• M6: 2,247,858 km (0.081 R)
• M7: 2,629,482 km (0.119 R)
• M8: 3,618,025 km (0.113 R)
• M9: 5,102,335 km (0.094 R)
• M10: 6,481,178 km (0.111 R)
• M11: 8,991,131 km (0.075 R)
• M12: 9,304,988 km (0.114 R)
• M13: 9,954,542 km (0.086 R)
• M14: 10,683,831 km (0.086 R)
• M15: 12,690,238 km (0.053 R)
• M16: 12,971,631 km (0.119 R)
• M17: 13,488,791 km (0.102 R)
• M18: 21,282,840 km (0.063 R)
• M19: 22,245,652 km (0.059 R)
• M20: 23,489,558 km (0.12 R)
• M21: 23,999,986 km (0.095 R)
• M22: 26,024,943 km (0.03 R)
• M23: 27,218,585 km (0.088 R)
• M24: 37,762,542 km (0.104 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: 197 - 19,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit