🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.6

Radius: 14.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.43 AU - 0.65 AU

Year: 274 Days

Day: 14.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 59,273,042 km

• M1: 176,525 km (0.09 R)
• M2: 1,075,010 km (0.049 R)
• M3: 1,664,875 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.5

Radius: 12.8

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.8 AU - 1.1 AU

Year: 639 Days

Day: 10 Hours

Environment

Temp: -178 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,273,042 km

• M1: 159,172 km (0.063 R)
• M2: 570,267 km (0.12 R)
• M3: 1,131,708 km (0.12 R)
• M4: 1,913,357 km (0.102 R)
• M5: 2,830,093 km (0.113 R)
• M6: 3,343,363 km (0.075 R)
• M7: 4,510,974 km (0.109 R)
• M8: 5,393,751 km (0.11 R)
• M9: 6,592,928 km (0.065 R)
• M10: 7,366,798 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.4

Radius: 8.1

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.14 AU - 1.24 AU

Year: 896 Days

Day: 13.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,273,042 km

• M1: 100,829 km (0.091 R)
• M2: 454,927 km (0.046 R)
• M3: 880,832 km (0.112 R)
• M4: 1,253,032 km (0.089 R)
• M5: 1,935,946 km (0.101 R)
• M6: 2,318,019 km (0.046 R)
• M7: 3,198,253 km (0.044 R)
• M8: 3,490,418 km (0.038 R)
• M9: 5,130,160 km (0.088 R)
• M10: 5,583,591 km (0.11 R)
• M11: 6,455,447 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.4

Radius: 9.9

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.22 AU - 1.32 AU

Year: 988 Days

Day: 9.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,273,042 km

• M1: 123,119 km (0.108 R)
• M2: 435,330 km (0.095 R)
• M3: 1,008,589 km (0.098 R)
• M4: 1,440,777 km (0.039 R)
• M5: 2,112,322 km (0.064 R)
• M6: 2,567,399 km (0.057 R)
• M7: 3,258,840 km (0.108 R)
• M8: 3,621,914 km (0.065 R)
• M9: 4,277,302 km (0.105 R)
• M10: 4,794,612 km (0.07 R)
• M11: 6,909,477 km (0.053 R)
• M12: 7,314,438 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.9

Radius: 10.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.63 AU - 1.91 AU

Year: 1625 Days

Day: 12.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,273,042 km

• M1: 131,945 km (0.093 R)
• M2: 601,832 km (0.085 R)
• M3: 1,568,384 km (0.083 R)
• M4: 2,185,026 km (0.076 R)
• M5: 2,884,995 km (0.094 R)
• M6: 3,495,055 km (0.047 R)
• M7: 5,014,371 km (0.098 R)
• M8: 6,181,982 km (0.101 R)
• M9: 7,440,101 km (0.085 R)
• M10: 9,915,945 km (0.099 R)
• M11: 11,522,477 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.8

Radius: 13.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.52 AU - 3.14 AU

Year: 3286 Days

Day: 10.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 68.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,273,042 km

• M1: 169,494 km (0.065 R)
• M2: 806,632 km (0.1 R)
• M3: 2,049,790 km (0.108 R)
• M4: 2,630,379 km (0.096 R)
• M5: 3,527,667 km (0.105 R)
• M6: 3,951,478 km (0.109 R)
• M7: 4,620,031 km (0.091 R)
• M8: 5,750,991 km (0.103 R)
• M9: 6,395,459 km (0.118 R)
• M10: 7,174,115 km (0.071 R)
• M11: 8,015,005 km (0.045 R)
• M12: 8,688,196 km (0.073 R)
• M13: 10,038,167 km (0.06 R)
• M14: 11,325,606 km (0.08 R)
• M15: 12,132,836 km (0.033 R)
• M16: 13,548,182 km (0.068 R)
• M17: 15,799,779 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 10.8

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.76 AU - 6.08 AU

Year: 7533 Days

Day: 9.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,273,042 km

• M1: 134,488 km (0.085 R)
• M2: 517,010 km (0.038 R)
• M3: 970,292 km (0.071 R)
• M4: 1,483,412 km (0.037 R)
• M5: 1,849,628 km (0.06 R)
• M6: 2,476,742 km (0.095 R)
• M7: 2,998,540 km (0.105 R)
• M8: 3,641,511 km (0.06 R)
• M9: 4,101,674 km (0.075 R)
• M10: 4,864,923 km (0.081 R)
• M11: 6,860,409 km (0.112 R)
• M12: 7,605,705 km (0.087 R)
• M13: 8,756,412 km (0.054 R)
• M14: 10,416,500 km (0.111 R)
• M15: 10,927,077 km (0.065 R)
• M16: 13,197,375 km (0.1 R)
• M17: 13,856,353 km (0.103 R)
• M18: 16,645,007 km (0.1 R)
• M19: 17,556,956 km (0.106 R)
• M20: 19,556,780 km (0.069 R)
• M21: 24,895,928 km (0.069 R)
• M22: 25,902,123 km (0.108 R)
• M23: 28,684,793 km (0.032 R)
• M24: 29,486,189 km (0.108 R)
• M25: 30,199,472 km (0.118 R)
• M26: 32,733,061 km (0.097 R)
• M27: 33,387,851 km (0.085 R)
• M28: 37,383,461 km (0.1 R)
• M29: 39,067,185 km (0.114 R)
• M30: 41,179,058 km (0.068 R)
• M31: 42,974,532 km (0.081 R)
• M32: 44,288,599 km (0.035 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.8

Radius: 3.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.46 AU - 5.94 AU

Year: 9393 Days

Day: 16.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,273,042 km

• M1: 45,627 km (0.108 R)
• M2: 188,643 km (0.105 R)
• M3: 319,691 km (0.117 R)
• M4: 584,329 km (0.081 R)
• M5: 1,286,093 km (0.118 R)
• M6: 1,554,920 km (0.109 R)
• M7: 2,498,584 km (0.075 R)
• M8: 3,031,750 km (0.094 R)
• M9: 6,224,767 km (0.027 R)
• M10: 7,224,380 km (0.085 R)
• M11: 11,337,125 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.8

Radius: 8

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.4 AU - 8.3 AU

Year: 12375 Days

Day: 24.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,273,042 km

• M1: 99,632 km (0.12 R)
• M2: 474,225 km (0.067 R)
• M3: 897,288 km (0.069 R)
• M4: 1,440,627 km (0.118 R)
• M5: 2,487,364 km (0.116 R)
• M6: 4,059,637 km (0.091 R)
• M7: 6,126,182 km (0.089 R)
• M8: 6,401,293 km (0.113 R)
• M9: 7,720,297 km (0.118 R)
• M10: 9,110,062 km (0.087 R)
• M11: 10,435,798 km (0.032 R)
• M12: 11,231,958 km (0.08 R)
• M13: 14,066,239 km (0.059 R)
• M14: 14,685,275 km (0.048 R)
• M15: 19,369,932 km (0.075 R)
• M16: 22,370,417 km (0.109 R)
• M17: 23,884,198 km (0.107 R)
• M18: 29,053,402 km (0.115 R)
• M19: 31,897,408 km (0.081 R)
• M20: 32,369,090 km (0.063 R)
• M21: 34,921,977 km (0.113 R)
• M22: 37,214,415 km (0.04 R)
• M23: 42,096,841 km (0.091 R)
• M24: 42,949,997 km (0.104 R)
• M25: 45,877,329 km (0.081 R)
• M26: 47,389,763 km (0.06 R)
• M27: 51,800,806 km (0.091 R)
• M28: 55,793,124 km (0.104 R)
• M29: 58,742,147 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 13,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit