🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.6

Radius: 11.7

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.64 AU - 0.7 AU

Year: 379 Days

Day: 11.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,389,282 km

• M1: 145,559 km (0.052 R)
• M2: 535,261 km (0.109 R)
• M3: 1,520,214 km (0.112 R)
• M4: 2,221,379 km (0.04 R)
• M5: 2,662,244 km (0.071 R)
• M6: 3,451,971 km (0.108 R)
• M7: 4,363,321 km (0.093 R)
• M8: 5,330,920 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.6

Radius: 8.4

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.78 AU - 1.1 AU

Year: 629 Days

Day: 13.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,389,282 km

• M1: 104,419 km (0.034 R)
• M2: 440,416 km (0.063 R)
• M3: 888,761 km (0.116 R)
• M4: 1,192,594 km (0.099 R)
• M5: 1,698,833 km (0.092 R)
• M6: 1,994,888 km (0.051 R)
• M7: 2,301,264 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.6

Radius: 11.4

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.1 AU - 1.26 AU

Year: 885 Days

Day: 10.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,389,282 km

• M1: 141,819 km (0.112 R)
• M2: 520,002 km (0.091 R)
• M3: 900,430 km (0.057 R)
• M4: 1,377,198 km (0.091 R)
• M5: 1,741,768 km (0.031 R)
• M6: 2,308,744 km (0.119 R)
• M7: 2,957,550 km (0.098 R)
• M8: 3,416,965 km (0.05 R)
• M9: 4,228,533 km (0.11 R)
• M10: 4,601,331 km (0.113 R)
• M11: 4,977,869 km (0.106 R)
• M12: 6,041,660 km (0.108 R)
• M13: 7,540,780 km (0.076 R)
• M14: 7,964,142 km (0.103 R)
• M15: 8,482,648 km (0.105 R)
• M16: 9,760,812 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.7

Radius: 14.1

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.21 AU - 1.53 AU

Year: 1107 Days

Day: 5.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,389,282 km

• M1: 175,329 km (0.119 R)
• M2: 745,596 km (0.089 R)
• M3: 1,247,796 km (0.043 R)
• M4: 2,137,006 km (0.088 R)
• M5: 2,654,913 km (0.042 R)
• M6: 4,463,552 km (0.11 R)
• M7: 5,199,872 km (0.045 R)
• M8: 5,885,180 km (0.093 R)
• M9: 6,490,004 km (0.047 R)
• M10: 6,988,913 km (0.092 R)
• M11: 8,091,150 km (0.108 R)
• M12: 8,812,063 km (0.03 R)
• M13: 10,672,312 km (0.12 R)
• M14: 11,540,129 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 8

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.11 AU - 3.07 AU

Year: 2877 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,389,282 km

• M1: 100,380 km (0.053 R)
• M2: 605,123 km (0.114 R)
• M3: 1,303,596 km (0.07 R)
• M4: 2,172,759 km (0.117 R)
• M5: 2,652,669 km (0.119 R)
• M6: 5,147,663 km (0.118 R)
• M7: 5,468,849 km (0.084 R)
• M8: 6,619,407 km (0.079 R)
• M9: 7,480,941 km (0.119 R)
• M10: 8,014,257 km (0.044 R)
• M11: 8,415,030 km (0.08 R)
• M12: 9,391,156 km (0.114 R)
• M13: 10,477,087 km (0.114 R)
• M14: 14,777,876 km (0.068 R)
• M15: 15,569,847 km (0.109 R)
• M16: 16,340,875 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.8

Radius: 9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.77 AU - 5.09 AU

Year: 6436 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,389,282 km

• M1: 112,049 km (0.07 R)
• M2: 484,248 km (0.109 R)
• M3: 870,211 km (0.12 R)
• M4: 1,152,053 km (0.066 R)
• M5: 1,663,080 km (0.096 R)
• M6: 2,107,086 km (0.059 R)
• M7: 2,905,340 km (0.031 R)
• M8: 3,640,015 km (0.093 R)
• M9: 5,087,973 km (0.106 R)
• M10: 7,106,348 km (0.113 R)
• M11: 7,473,910 km (0.061 R)
• M12: 8,308,815 km (0.076 R)
• M13: 9,138,485 km (0.055 R)
• M14: 9,471,939 km (0.111 R)
• M15: 10,057,614 km (0.112 R)
• M16: 11,453,662 km (0.092 R)
• M17: 12,118,325 km (0.099 R)
• M18: 13,058,249 km (0.056 R)
• M19: 14,046,043 km (0.088 R)
• M20: 14,716,541 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.6

Radius: 4

Gravity: 46.79 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.84 AU - 9.38 AU

Year: 17439 Days

Day: 19.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,389,282 km

• M1: 49,816 km (0.107 R)
• M2: 446,101 km (0.1 R)
• M3: 1,166,714 km (0.087 R)
• M4: 1,395,150 km (0.118 R)
• M5: 1,552,676 km (0.087 R)
• M6: 1,847,833 km (0.111 R)
• M7: 2,241,724 km (0.043 R)
• M8: 4,290,018 km (0.114 R)
• M9: 6,391,419 km (0.102 R)
• M10: 8,408,148 km (0.102 R)
• M11: 8,562,833 km (0.057 R)
• M12: 9,420,776 km (0.114 R)
• M13: 9,700,225 km (0.091 R)
• M14: 10,752,048 km (0.09 R)
• M15: 11,621,062 km (0.107 R)
• M16: 12,203,895 km (0.067 R)
• M17: 15,335,876 km (0.09 R)
• M18: 15,489,812 km (0.032 R)
• M19: 16,839,784 km (0.116 R)
• M20: 17,923,470 km (0.085 R)
• M21: 18,525,901 km (0.074 R)
• M22: 18,876,259 km (0.098 R)
• M23: 28,665,046 km (0.089 R)
• M24: 33,971,582 km (0.098 R)
• M25: 34,760,412 km (0.104 R)
• M26: 46,313,706 km (0.1 R)
• M27: 48,101,251 km (0.03 R)
• M28: 50,782,643 km (0.12 R)
• M29: 57,732,212 km (0.115 R)
• M30: 58,291,708 km (0.073 R)
• M31: 59,043,138 km (0.111 R)
• M32: 64,685,670 km (0.039 R)
• M33: 66,711,824 km (0.094 R)
• M34: 68,154,995 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569

Radius: 6.1

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.13 AU - 10.91 AU

Year: 18699 Days

Day: 18.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 68,389,282 km

• M1: 77,342 km (0.04 R)
• M2: 405,560 km (0.117 R)
• M3: 985,252 km (0.113 R)
• M4: 1,496,577 km (0.105 R)
• M5: 1,957,488 km (0.091 R)
• M6: 2,314,429 km (0.096 R)
• M7: 2,621,254 km (0.036 R)
• M8: 2,979,840 km (0.051 R)
• M9: 3,508,220 km (0.088 R)
• M10: 3,974,217 km (0.088 R)
• M11: 4,415,232 km (0.05 R)
• M12: 6,177,195 km (0.077 R)
• M13: 6,384,239 km (0.109 R)
• M14: 7,773,255 km (0.071 R)
• M15: 8,014,856 km (0.047 R)
• M16: 9,626,025 km (0.098 R)
• M17: 9,848,477 km (0.103 R)
• M18: 11,317,977 km (0.052 R)
• M19: 14,684,527 km (0.107 R)
• M20: 14,979,684 km (0.089 R)
• M21: 15,505,520 km (0.112 R)
• M22: 15,966,132 km (0.074 R)
• M23: 18,836,466 km (0.105 R)
• M24: 20,074,987 km (0.085 R)
• M25: 20,806,521 km (0.058 R)
• M26: 21,366,765 km (0.093 R)
• M27: 21,937,032 km (0.109 R)
• M28: 27,311,634 km (0.118 R)
• M29: 31,874,669 km (0.107 R)
• M30: 33,885,114 km (0.075 R)
• M31: 39,704,023 km (0.084 R)
• M32: 42,325,726 km (0.065 R)
• M33: 43,375,603 km (0.118 R)
• M34: 45,840,528 km (0.05 R)
• M35: 49,380,013 km (0.108 R)
• M36: 51,047,431 km (0.081 R)
• M37: 53,967,581 km (0.045 R)
• M38: 56,635,061 km (0.068 R)
• M39: 58,461,352 km (0.089 R)
• M40: 65,361,105 km (0.061 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 19,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit