🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.7

Radius: 8.7

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.64 AU - 0.98 AU

Year: 486 Days

Day: 5.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,943,768 km

• M1: 108,159 km (0.067 R)
• M2: 395,686 km (0.107 R)
• M3: 813,364 km (0.052 R)
• M4: 1,095,206 km (0.095 R)
• M5: 1,600,548 km (0.089 R)
• M6: 1,958,236 km (0.103 R)
• M7: 2,330,286 km (0.112 R)
• M8: 2,814,534 km (0.117 R)
• M9: 3,503,133 km (0.104 R)
• M10: 3,859,924 km (0.1 R)
• M11: 4,539,248 km (0.108 R)
• M12: 4,851,609 km (0.09 R)
• M13: 5,467,353 km (0.108 R)
• M14: 5,912,257 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.4

Radius: 13.3

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.95 AU - 0.95 AU

Year: 617 Days

Day: 6 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,943,768 km

• M1: 165,455 km (0.074 R)
• M2: 642,972 km (0.049 R)
• M3: 1,286,392 km (0.116 R)
• M4: 1,772,884 km (0.026 R)
• M5: 2,352,427 km (0.068 R)
• M6: 3,412,926 km (0.063 R)
• M7: 4,089,707 km (0.065 R)
• M8: 4,638,432 km (0.11 R)
• M9: 5,307,433 km (0.078 R)
• M10: 5,750,542 km (0.079 R)
• M11: 6,298,968 km (0.116 R)
• M12: 6,946,727 km (0.112 R)
• M13: 7,615,429 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.2

Radius: 12.3

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.95 AU - 0.95 AU

Year: 617 Days

Day: 12.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,943,768 km

• M1: 153,039 km (0.106 R)
• M2: 552,166 km (0.071 R)
• M3: 977,024 km (0.095 R)
• M4: 1,475,484 km (0.106 R)
• M5: 1,911,562 km (0.095 R)
• M6: 3,063,316 km (0.029 R)
• M7: 4,171,537 km (0.089 R)
• M8: 4,842,633 km (0.108 R)
• M9: 5,387,767 km (0.077 R)
• M10: 5,935,894 km (0.097 R)
• M11: 6,520,971 km (0.112 R)
• M12: 7,316,981 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.4

Radius: 14

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.28 AU - 2.36 AU

Year: 2356 Days

Day: 10.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,943,768 km

• M1: 175,777 km (0.104 R)
• M2: 831,315 km (0.064 R)
• M3: 1,418,487 km (0.111 R)
• M4: 1,878,500 km (0.048 R)
• M5: 2,799,425 km (0.11 R)
• M6: 3,538,588 km (0.12 R)
• M7: 4,322,481 km (0.068 R)
• M8: 4,789,226 km (0.061 R)
• M9: 5,750,093 km (0.064 R)
• M10: 6,559,268 km (0.097 R)
• M11: 7,091,837 km (0.115 R)
• M12: 7,836,684 km (0.117 R)
• M13: 8,798,748 km (0.102 R)
• M14: 9,274,021 km (0.047 R)
• M15: 10,019,317 km (0.035 R)
• M16: 10,958,044 km (0.095 R)
• M17: 12,328,061 km (0.072 R)
• M18: 13,900,185 km (0.113 R)
• M19: 14,829,338 km (0.115 R)
• M20: 15,553,092 km (0.082 R)
• M21: 16,915,330 km (0.111 R)
• M22: 17,759,212 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.9

Radius: 7.4

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.83 AU - 8.01 AU

Year: 12139 Days

Day: 21 Hours

Environment

Temp: -223 °C

Axial Tilt: 59.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,943,768 km

• M1: 140,323 km (0.091 R)
• M2: 384,317 km (0.088 R)
• M3: 799,152 km (0.083 R)
• M4: 2,910,427 km (0.089 R)
• M5: 3,486,678 km (0.043 R)
• M6: 4,377,383 km (0.098 R)
• M7: 5,872,764 km (0.105 R)
• M8: 9,938,086 km (0.093 R)
• M9: 11,627,943 km (0.117 R)
• M10: 12,354,690 km (0.108 R)
• M11: 16,003,382 km (0.088 R)
• M12: 17,106,068 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.4

Radius: 4.1

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.81 AU - 7.37 AU

Year: 12589 Days

Day: 24.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,943,768 km

• M1: 52,808 km (0.092 R)
• M2: 325,226 km (0.086 R)
• M3: 884,423 km (0.101 R)
• M4: 1,281,605 km (0.072 R)
• M5: 1,775,128 km (0.12 R)
• M6: 2,065,049 km (0.104 R)
• M7: 2,213,749 km (0.081 R)
• M8: 2,385,637 km (0.097 R)
• M9: 2,566,501 km (0.033 R)
• M10: 4,579,640 km (0.077 R)
• M11: 5,825,939 km (0.073 R)
• M12: 7,419,157 km (0.117 R)
• M13: 8,578,690 km (0.119 R)
• M14: 8,770,026 km (0.066 R)
• M15: 11,250,209 km (0.06 R)
• M16: 11,995,505 km (0.102 R)
• M17: 17,845,231 km (0.094 R)
• M18: 18,536,822 km (0.089 R)
• M19: 18,664,429 km (0.059 R)
• M20: 19,640,405 km (0.033 R)
• M21: 23,213,251 km (0.097 R)
• M22: 24,264,775 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.6

Radius: 4.9

Gravity: 30.35 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.46 AU - 10.92 AU

Year: 18578 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,943,768 km

• M1: 61,335 km (0.07 R)
• M2: 774,917 km (0.079 R)
• M3: 1,007,542 km (0.114 R)
• M4: 1,344,586 km (0.067 R)
• M5: 1,531,433 km (0.09 R)
• M6: 2,177,846 km (0.072 R)
• M7: 2,644,292 km (0.114 R)
• M8: 3,565,815 km (0.087 R)
• M9: 4,211,778 km (0.103 R)
• M10: 4,754,071 km (0.097 R)
• M11: 6,226,712 km (0.077 R)
• M12: 7,394,024 km (0.109 R)
• M13: 9,746,750 km (0.088 R)
• M14: 9,977,280 km (0.066 R)
• M15: 10,449,411 km (0.085 R)
• M16: 14,180,233 km (0.039 R)
• M17: 15,004,666 km (0.097 R)
• M18: 15,467,522 km (0.116 R)
• M19: 15,624,002 km (0.108 R)
• M20: 15,860,516 km (0.071 R)
• M21: 17,414,987 km (0.093 R)
• M22: 20,444,793 km (0.119 R)
• M23: 24,121,609 km (0.091 R)
• M24: 24,650,139 km (0.1 R)
• M25: 25,294,307 km (0.099 R)
• M26: 28,684,644 km (0.096 R)
• M27: 29,517,156 km (0.089 R)
• M28: 32,621,910 km (0.094 R)
• M29: 38,746,447 km (0.109 R)
• M30: 40,797,583 km (0.109 R)
• M31: 44,165,181 km (0.117 R)
• M32: 49,726,482 km (0.093 R)
• M33: 57,592,637 km (0.053 R)
• M34: 62,808,068 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 17,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit