🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.6

Radius: 12.4

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.56 AU - 0.9 AU

Year: 431 Days

Day: 7.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,464,291 km

• M1: 154,385 km (0.069 R)
• M2: 1,069,176 km (0.113 R)
• M3: 1,544,448 km (0.111 R)
• M4: 2,080,607 km (0.074 R)
• M5: 2,817,526 km (0.111 R)
• M6: 4,054,850 km (0.118 R)
• M7: 5,057,754 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302

Radius: 11.2

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.57 AU - 0.93 AU

Year: 448 Days

Day: 12.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,464,291 km

• M1: 139,425 km (0.115 R)
• M2: 605,871 km (0.06 R)
• M3: 970,441 km (0.087 R)
• M4: 1,464,114 km (0.081 R)
• M5: 2,138,202 km (0.06 R)
• M6: 2,637,261 km (0.085 R)
• M7: 3,171,475 km (0.115 R)
• M8: 3,695,965 km (0.08 R)
• M9: 4,214,172 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.5

Radius: 11.2

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.66 AU - 0.86 AU

Year: 457 Days

Day: 6.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,464,291 km

• M1: 139,425 km (0.093 R)
• M2: 609,761 km (0.112 R)
• M3: 1,003,353 km (0.058 R)
• M4: 1,849,179 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 11.4

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.46 AU - 1.64 AU

Year: 1332 Days

Day: 14.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,464,291 km

• M1: 141,968 km (0.083 R)
• M2: 672,442 km (0.098 R)
• M3: 1,057,657 km (0.097 R)
• M4: 1,577,360 km (0.095 R)
• M5: 2,856,422 km (0.095 R)
• M6: 3,311,798 km (0.088 R)
• M7: 4,900,976 km (0.103 R)
• M8: 5,557,262 km (0.053 R)
• M9: 6,248,703 km (0.111 R)
• M10: 6,638,854 km (0.105 R)
• M11: 8,698,967 km (0.083 R)
• M12: 9,128,163 km (0.083 R)
• M13: 9,692,147 km (0.036 R)
• M14: 10,153,656 km (0.098 R)
• M15: 11,054,535 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.7

Radius: 12.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.66 AU - 3.34 AU

Year: 3587 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,464,291 km

• M1: 159,771 km (0.118 R)
• M2: 579,542 km (0.114 R)
• M3: 1,067,082 km (0.06 R)
• M4: 2,224,520 km (0.052 R)
• M5: 4,135,484 km (0.04 R)
• M6: 4,749,583 km (0.118 R)
• M7: 5,679,782 km (0.095 R)
• M8: 8,131,093 km (0.035 R)
• M9: 8,955,228 km (0.025 R)
• M10: 9,758,718 km (0.101 R)
• M11: 13,649,609 km (0.12 R)
• M12: 15,064,356 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.5

Radius: 13.4

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.91 AU - 3.71 AU

Year: 4157 Days

Day: 8.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 167.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,464,291 km

• M1: 166,652 km (0.084 R)
• M2: 788,830 km (0.037 R)
• M3: 1,305,840 km (0.105 R)
• M4: 1,968,858 km (0.112 R)
• M5: 2,497,686 km (0.077 R)
• M6: 3,065,260 km (0.099 R)
• M7: 4,320,237 km (0.099 R)
• M8: 5,440,575 km (0.114 R)
• M9: 7,370,986 km (0.041 R)
• M10: 7,891,138 km (0.081 R)
• M11: 8,889,554 km (0.119 R)
• M12: 11,136,963 km (0.093 R)
• M13: 12,782,390 km (0.113 R)
• M14: 16,964,099 km (0.108 R)
• M15: 20,934,427 km (0.112 R)
• M16: 21,768,734 km (0.107 R)
• M17: 22,265,549 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.1

Radius: 4

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.75 AU - 9.21 AU

Year: 15560 Days

Day: 21.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,464,291 km

• M1: 49,816 km (0.081 R)
• M2: 199,414 km (0.097 R)
• M3: 458,368 km (0.066 R)
• M4: 644,617 km (0.094 R)
• M5: 1,139,337 km (0.115 R)
• M6: 1,315,713 km (0.11 R)
• M7: 2,145,233 km (0.086 R)
• M8: 2,632,324 km (0.095 R)
• M9: 3,043,569 km (0.109 R)
• M10: 3,473,663 km (0.109 R)
• M11: 3,656,770 km (0.088 R)
• M12: 3,894,481 km (0.075 R)
• M13: 4,322,182 km (0.047 R)
• M14: 4,780,550 km (0.109 R)
• M15: 6,589,038 km (0.051 R)
• M16: 9,191,892 km (0.073 R)
• M17: 9,947,211 km (0.066 R)
• M18: 15,305,508 km (0.107 R)
• M19: 18,694,199 km (0.066 R)
• M20: 25,000,497 km (0.07 R)
• M21: 30,516,918 km (0.039 R)
• M22: 31,888,282 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.9

Radius: 5.4

Gravity: 21.5 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.61 AU - 10.93 AU

Year: 17927 Days

Day: 18.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,464,291 km

• M1: 67,169 km (0.083 R)
• M2: 317,746 km (0.103 R)
• M3: 946,207 km (0.098 R)
• M4: 1,329,626 km (0.095 R)
• M5: 1,810,733 km (0.113 R)
• M6: 2,577,871 km (0.109 R)
• M7: 4,726,994 km (0.096 R)
• M8: 6,529,947 km (0.112 R)
• M9: 6,701,835 km (0.088 R)
• M10: 9,168,255 km (0.058 R)
• M11: 9,384,125 km (0.092 R)
• M12: 10,691,610 km (0.085 R)
• M13: 13,110,458 km (0.065 R)
• M14: 13,315,706 km (0.098 R)
• M15: 13,662,474 km (0.078 R)
• M16: 14,374,111 km (0.104 R)
• M17: 16,182,600 km (0.097 R)
• M18: 17,551,570 km (0.099 R)
• M19: 22,802,605 km (0.073 R)
• M20: 26,321,147 km (0.09 R)
• M21: 26,977,433 km (0.031 R)
• M22: 31,389,672 km (0.114 R)
• M23: 38,034,810 km (0.045 R)
• M24: 41,610,049 km (0.062 R)
• M25: 51,259,710 km (0.115 R)
• M26: 52,626,287 km (0.068 R)
• M27: 55,075,952 km (0.101 R)
• M28: 56,690,263 km (0.068 R)
• M29: 60,389,968 km (0.087 R)
• M30: 60,958,440 km (0.029 R)
• M31: 63,854,505 km (0.104 R)
• M32: 65,038,123 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.1

Radius: 5.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.67 AU - 11.27 AU

Year: 23385 Days

Day: 23 Hours

Environment

Temp: -244 °C

Axial Tilt: 158.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,464,291 km

• M1: 72,555 km (0.052 R)
• M2: 298,747 km (0.118 R)
• M3: 831,166 km (0.111 R)
• M4: 2,759,931 km (0.049 R)
• M5: 3,362,811 km (0.079 R)
• M6: 12,577,890 km (0.05 R)
• M7: 13,469,493 km (0.064 R)
• M8: 14,339,106 km (0.025 R)
• M9: 15,179,397 km (0.092 R)
• M10: 15,511,205 km (0.12 R)
• M11: 21,333,704 km (0.072 R)
• M12: 26,026,888 km (0.06 R)
• M13: 34,117,590 km (0.097 R)
• M14: 37,871,299 km (0.095 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: 335 - 10,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit