🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.3

Radius: 13

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.5 AU - 0.68 AU

Year: 319 Days

Day: 8.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,797,848 km

• M1: 161,715 km (0.115 R)
• M2: 592,108 km (0.107 R)
• M3: 1,173,296 km (0.119 R)
• M4: 1,587,981 km (0.115 R)
• M5: 2,437,249 km (0.057 R)
• M6: 2,950,070 km (0.104 R)
• M7: 3,464,836 km (0.101 R)
• M8: 3,949,982 km (0.086 R)
• M9: 4,577,844 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.1

Radius: 14.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.81 AU - 0.83 AU

Year: 522 Days

Day: 7.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,797,848 km

• M1: 176,525 km (0.05 R)
• M2: 618,438 km (0.088 R)
• M3: 1,069,475 km (0.069 R)
• M4: 1,709,006 km (0.092 R)
• M5: 2,343,002 km (0.093 R)
• M6: 2,894,270 km (0.047 R)
• M7: 3,871,443 km (0.108 R)
• M8: 5,356,651 km (0.08 R)
• M9: 5,844,190 km (0.119 R)
• M10: 6,631,374 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.5

Radius: 12.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.86 AU - 0.92 AU

Year: 590 Days

Day: 9.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,797,848 km

• M1: 155,432 km (0.036 R)
• M2: 570,417 km (0.117 R)
• M3: 972,237 km (0.116 R)
• M4: 1,475,185 km (0.071 R)
• M5: 2,009,698 km (0.08 R)
• M6: 2,833,982 km (0.106 R)
• M7: 3,617,426 km (0.048 R)
• M8: 4,153,734 km (0.092 R)
• M9: 4,555,704 km (0.055 R)
• M10: 5,233,233 km (0.089 R)
• M11: 5,685,617 km (0.097 R)
• M12: 6,932,365 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.1

Radius: 8.3

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.86 AU - 1.26 AU

Year: 767 Days

Day: 13.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 162.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,797,848 km

• M1: 103,223 km (0.094 R)
• M2: 586,872 km (0.104 R)
• M3: 1,488,648 km (0.113 R)
• M4: 1,772,884 km (0.117 R)
• M5: 2,228,410 km (0.096 R)
• M6: 2,959,495 km (0.11 R)
• M7: 3,387,195 km (0.1 R)
• M8: 4,181,410 km (0.064 R)
• M9: 6,579,165 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.6

Radius: 8.3

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.98 AU - 3.06 AU

Year: 3689 Days

Day: 10.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,797,848 km

• M1: 103,223 km (0.114 R)
• M2: 636,838 km (0.069 R)
• M3: 1,472,941 km (0.109 R)
• M4: 1,821,653 km (0.092 R)
• M5: 2,417,801 km (0.116 R)
• M6: 2,803,614 km (0.106 R)
• M7: 3,083,362 km (0.111 R)
• M8: 5,305,189 km (0.066 R)
• M9: 5,735,433 km (0.109 R)
• M10: 6,130,970 km (0.096 R)
• M11: 6,605,045 km (0.05 R)
• M12: 7,039,777 km (0.09 R)
• M13: 7,329,099 km (0.075 R)
• M14: 7,693,669 km (0.075 R)
• M15: 8,245,535 km (0.107 R)
• M16: 9,047,081 km (0.035 R)
• M17: 9,466,852 km (0.102 R)
• M18: 11,808,508 km (0.113 R)
• M19: 12,636,682 km (0.085 R)
• M20: 13,750,438 km (0.081 R)
• M21: 14,203,719 km (0.051 R)
• M22: 14,563,054 km (0.105 R)
• M23: 15,193,160 km (0.061 R)
• M24: 16,677,320 km (0.117 R)
• M25: 17,483,802 km (0.046 R)
• M26: 18,376,453 km (0.053 R)
• M27: 19,174,408 km (0.081 R)
• M28: 19,803,766 km (0.109 R)
• M29: 21,103,622 km (0.077 R)
• M30: 21,910,403 km (0.066 R)
• M31: 22,947,565 km (0.083 R)
• M32: 23,728,765 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.3

Radius: 4.2

Gravity: 39.64 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.35 AU - 10.03 AU

Year: 18007 Days

Day: 21 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,797,848 km

• M1: 71,807 km (0.035 R)
• M2: 212,728 km (0.054 R)
• M3: 518,955 km (0.111 R)
• M4: 932,144 km (0.072 R)
• M5: 1,101,938 km (0.108 R)
• M6: 1,321,398 km (0.092 R)
• M7: 1,757,476 km (0.093 R)
• M8: 1,941,332 km (0.109 R)
• M9: 2,117,707 km (0.068 R)
• M10: 2,283,462 km (0.085 R)
• M11: 5,117,444 km (0.106 R)
• M12: 5,265,695 km (0.077 R)
• M13: 5,455,086 km (0.1 R)
• M14: 5,609,771 km (0.032 R)
• M15: 6,174,503 km (0.118 R)
• M16: 6,385,136 km (0.054 R)
• M17: 6,865,345 km (0.094 R)
• M18: 7,510,860 km (0.053 R)
• M19: 8,196,019 km (0.107 R)
• M20: 8,399,172 km (0.045 R)
• M21: 10,089,329 km (0.06 R)
• M22: 10,619,504 km (0.09 R)
• M23: 14,638,451 km (0.108 R)
• M24: 16,414,926 km (0.113 R)
• M25: 17,986,601 km (0.031 R)
• M26: 22,398,691 km (0.046 R)
• M27: 23,299,120 km (0.029 R)
• M28: 24,119,515 km (0.076 R)
• M29: 30,651,557 km (0.067 R)
• M30: 33,023,580 km (0.089 R)
• M31: 38,695,284 km (0.105 R)
• M32: 41,312,649 km (0.086 R)
• M33: 41,610,648 km (0.028 R)
• M34: 47,058,553 km (0.098 R)
• M35: 48,367,236 km (0.069 R)
• M36: 48,864,200 km (0.081 R)
• M37: 51,744,707 km (0.07 R)
• M38: 64,799,963 km (0.108 R)
• M39: 65,808,552 km (0.099 R)
• M40: 66,827,463 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459

Radius: 4.1

Gravity: 27.31 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.22 AU - 11.6 AU

Year: 21929 Days

Day: 21.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,797,848 km

• M1: 54,902 km (0.098 R)
• M2: 185,950 km (0.073 R)
• M3: 351,705 km (0.118 R)
• M4: 559,646 km (0.032 R)
• M5: 715,527 km (0.101 R)
• M6: 1,078,750 km (0.07 R)
• M7: 1,280,109 km (0.06 R)
• M8: 2,663,440 km (0.12 R)
• M9: 2,831,588 km (0.053 R)
• M10: 3,006,917 km (0.077 R)
• M11: 4,444,254 km (0.108 R)
• M12: 4,927,006 km (0.091 R)
• M13: 5,520,311 km (0.083 R)
• M14: 6,077,563 km (0.104 R)
• M15: 7,826,213 km (0.081 R)
• M16: 7,973,267 km (0.065 R)
• M17: 9,435,586 km (0.035 R)
• M18: 11,129,334 km (0.089 R)
• M19: 16,587,711 km (0.101 R)
• M20: 17,489,487 km (0.047 R)
• M21: 20,575,841 km (0.109 R)
• M22: 21,712,336 km (0.069 R)
• M23: 22,100,393 km (0.041 R)
• M24: 23,090,431 km (0.074 R)
• M25: 25,802,491 km (0.081 R)
• M26: 27,459,736 km (0.087 R)
• M27: 27,685,928 km (0.073 R)
• M28: 28,256,943 km (0.037 R)
• M29: 30,136,790 km (0.119 R)
• M30: 34,932,000 km (0.099 R)
• M31: 41,833,399 km (0.037 R)
• M32: 44,269,600 km (0.099 R)
• M33: 45,364,657 km (0.08 R)
• M34: 46,959,968 km (0.055 R)
• M35: 48,923,440 km (0.086 R)
• M36: 53,539,732 km (0.114 R)
• M37: 54,603,522 km (0.106 R)
• M38: 57,879,566 km (0.077 R)
• M39: 67,250,676 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 15,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit