🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.8

Radius: 9.2

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.47 AU - 0.69 AU

Year: 310 Days

Day: 12.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,818,135 km

• M1: 114,442 km (0.074 R)
• M2: 763,996 km (0.116 R)
• M3: 1,345,483 km (0.116 R)
• M4: 1,674,150 km (0.119 R)
• M5: 1,964,968 km (0.091 R)
• M6: 2,281,517 km (0.069 R)
• M7: 2,568,446 km (0.096 R)
• M8: 2,869,736 km (0.084 R)
• M9: 3,247,770 km (0.091 R)
• M10: 3,705,390 km (0.114 R)
• M11: 4,017,451 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.7

Radius: 8

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.6 AU - 0.84 AU

Year: 429 Days

Day: 12.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,818,135 km

• M1: 101,876 km (0.107 R)
• M2: 352,453 km (0.041 R)
• M3: 620,831 km (0.068 R)
• M4: 1,059,901 km (0.09 R)
• M5: 1,356,853 km (0.099 R)
• M6: 1,891,815 km (0.095 R)
• M7: 3,389,589 km (0.094 R)
• M8: 3,866,357 km (0.107 R)
• M9: 4,718,167 km (0.083 R)
• M10: 4,969,492 km (0.107 R)
• M11: 5,296,213 km (0.092 R)
• M12: 5,602,590 km (0.077 R)
• M13: 5,902,683 km (0.117 R)
• M14: 6,307,046 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.1

Radius: 12.8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.23 AU - 3.57 AU

Year: 4407 Days

Day: 14.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,818,135 km

• M1: 159,172 km (0.078 R)
• M2: 569,070 km (0.044 R)
• M3: 1,280,109 km (0.119 R)
• M4: 1,818,063 km (0.115 R)
• M5: 3,134,524 km (0.094 R)
• M6: 4,286,129 km (0.073 R)
• M7: 5,674,397 km (0.106 R)
• M8: 6,426,725 km (0.118 R)
• M9: 7,114,426 km (0.079 R)
• M10: 7,781,782 km (0.107 R)
• M11: 8,345,317 km (0.117 R)
• M12: 11,718,151 km (0.062 R)
• M13: 12,506,980 km (0.095 R)
• M14: 14,660,891 km (0.108 R)
• M15: 15,965,234 km (0.036 R)
• M16: 17,464,205 km (0.09 R)
• M17: 18,679,538 km (0.1 R)
• M18: 19,627,540 km (0.069 R)
• M19: 20,873,989 km (0.112 R)
• M20: 21,414,337 km (0.111 R)
• M21: 22,102,936 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.8

Radius: 14.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.46 AU - 4.54 AU

Year: 5623 Days

Day: 7.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,818,135 km

• M1: 184,005 km (0.095 R)
• M2: 685,009 km (0.072 R)
• M3: 1,478,925 km (0.086 R)
• M4: 1,947,914 km (0.086 R)
• M5: 2,503,520 km (0.096 R)
• M6: 3,147,689 km (0.091 R)
• M7: 3,624,308 km (0.118 R)
• M8: 4,278,050 km (0.081 R)
• M9: 6,963,781 km (0.075 R)
• M10: 8,946,701 km (0.097 R)
• M11: 9,459,223 km (0.095 R)
• M12: 9,991,193 km (0.071 R)
• M13: 10,704,775 km (0.034 R)
• M14: 13,378,538 km (0.109 R)
• M15: 13,904,224 km (0.087 R)
• M16: 15,722,437 km (0.112 R)
• M17: 17,637,589 km (0.104 R)
• M18: 19,157,803 km (0.107 R)
• M19: 21,082,828 km (0.086 R)
• M20: 22,324,640 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.8

Radius: 3.3

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.23 AU - 7.69 AU

Year: 11541 Days

Day: 23.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,818,135 km

• M1: 41,588 km (0.059 R)
• M2: 329,564 km (0.081 R)
• M3: 474,824 km (0.084 R)
• M4: 655,239 km (0.082 R)
• M5: 1,114,055 km (0.071 R)
• M6: 2,316,972 km (0.062 R)
• M7: 2,672,117 km (0.061 R)
• M8: 3,618,623 km (0.077 R)
• M9: 3,773,157 km (0.111 R)
• M10: 4,900,976 km (0.038 R)
• M11: 6,173,156 km (0.051 R)
• M12: 6,884,943 km (0.087 R)
• M13: 7,506,821 km (0.108 R)
• M14: 7,685,890 km (0.081 R)
• M15: 9,264,447 km (0.073 R)
• M16: 11,325,008 km (0.109 R)
• M17: 14,373,962 km (0.114 R)
• M18: 14,817,819 km (0.044 R)
• M19: 15,967,179 km (0.077 R)
• M20: 16,383,211 km (0.093 R)
• M21: 19,838,024 km (0.058 R)
• M22: 20,043,123 km (0.107 R)
• M23: 22,614,860 km (0.119 R)
• M24: 23,902,299 km (0.107 R)
• M25: 25,398,128 km (0.075 R)
• M26: 25,639,878 km (0.107 R)
• M27: 26,705,165 km (0.042 R)
• M28: 27,038,918 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.9

Radius: 4.8

Gravity: 14.97 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.91 AU - 11.51 AU

Year: 19647 Days

Day: 23.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 59,818,135 km

• M1: 60,138 km (0.065 R)
• M2: 227,239 km (0.115 R)
• M3: 425,905 km (0.105 R)
• M4: 1,016,069 km (0.071 R)
• M5: 1,197,082 km (0.092 R)
• M6: 1,609,523 km (0.102 R)
• M7: 2,894,569 km (0.062 R)
• M8: 3,770,614 km (0.11 R)
• M9: 9,365,275 km (0.1 R)
• M10: 9,840,249 km (0.106 R)
• M11: 10,165,624 km (0.077 R)
• M12: 10,386,431 km (0.117 R)
• M13: 11,779,636 km (0.114 R)
• M14: 12,332,848 km (0.103 R)
• M15: 12,774,910 km (0.119 R)
• M16: 14,370,820 km (0.115 R)
• M17: 14,649,222 km (0.064 R)
• M18: 15,144,840 km (0.082 R)
• M19: 16,395,179 km (0.052 R)
• M20: 16,929,542 km (0.033 R)
• M21: 18,438,237 km (0.118 R)
• M22: 20,733,068 km (0.092 R)
• M23: 23,981,885 km (0.07 R)
• M24: 24,571,001 km (0.078 R)
• M25: 27,768,806 km (0.081 R)
• M26: 28,418,210 km (0.072 R)
• M27: 36,888,591 km (0.095 R)
• M28: 37,148,742 km (0.105 R)
• M29: 38,335,202 km (0.109 R)
• M30: 39,275,275 km (0.103 R)
• M31: 39,956,095 km (0.05 R)
• M32: 41,061,624 km (0.106 R)
• M33: 43,623,637 km (0.057 R)
• M34: 48,749,757 km (0.094 R)
• M35: 48,906,237 km (0.113 R)
• M36: 51,781,957 km (0.065 R)
• M37: 58,571,905 km (0.108 R)
• M38: 58,748,879 km (0.104 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: 423 - 12,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit