🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.6

Radius: 8.4

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.26 AU - 1.74 AU

Year: 1205 Days

Day: 9.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 68.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,136,944 km

• M1: 104,419 km (0.06 R)
• M2: 391,348 km (0.085 R)
• M3: 718,519 km (0.098 R)
• M4: 1,017,415 km (0.109 R)
• M5: 1,360,293 km (0.117 R)
• M6: 1,713,644 km (0.096 R)
• M7: 2,306,799 km (0.109 R)
• M8: 2,569,792 km (0.086 R)
• M9: 3,963,296 km (0.054 R)
• M10: 4,396,831 km (0.044 R)
• M11: 4,785,037 km (0.07 R)
• M12: 5,176,086 km (0.075 R)
• M13: 5,715,985 km (0.1 R)
• M14: 6,957,199 km (0.08 R)
• M15: 7,306,510 km (0.06 R)
• M16: 8,908,703 km (0.118 R)
• M17: 10,057,016 km (0.114 R)
• M18: 10,342,748 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.7

Radius: 10.4

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.24 AU - 1.86 AU

Year: 1266 Days

Day: 5.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,136,944 km

• M1: 129,402 km (0.083 R)
• M2: 488,886 km (0.092 R)
• M3: 1,311,076 km (0.05 R)
• M4: 1,674,748 km (0.067 R)
• M5: 2,434,406 km (0.108 R)
• M6: 3,121,958 km (0.096 R)
• M7: 3,472,316 km (0.106 R)
• M8: 4,073,700 km (0.117 R)
• M9: 4,841,735 km (0.116 R)
• M10: 5,506,099 km (0.119 R)
• M11: 6,372,869 km (0.042 R)
• M12: 7,675,717 km (0.116 R)
• M13: 8,006,628 km (0.063 R)
• M14: 8,433,580 km (0.072 R)
• M15: 9,056,954 km (0.079 R)
• M16: 10,328,985 km (0.065 R)
• M17: 10,973,453 km (0.096 R)
• M18: 12,759,202 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.4

Radius: 12.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.5 AU - 1.96 AU

Year: 1493 Days

Day: 14.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,136,944 km

• M1: 159,172 km (0.061 R)
• M2: 655,239 km (0.116 R)
• M3: 1,243,009 km (0.091 R)
• M4: 2,073,277 km (0.071 R)
• M5: 2,606,593 km (0.111 R)
• M6: 3,127,493 km (0.029 R)
• M7: 3,684,745 km (0.093 R)
• M8: 4,092,399 km (0.088 R)
• M9: 4,530,422 km (0.101 R)
• M10: 5,330,621 km (0.115 R)
• M11: 6,485,217 km (0.076 R)
• M12: 7,772,657 km (0.107 R)
• M13: 8,652,591 km (0.056 R)
• M14: 9,378,440 km (0.069 R)
• M15: 9,916,843 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372

Radius: 12.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.56 AU - 2 AU

Year: 1558 Days

Day: 5.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,136,944 km

• M1: 152,291 km (0.097 R)
• M2: 560,543 km (0.12 R)
• M3: 1,090,419 km (0.103 R)
• M4: 2,331,333 km (0.118 R)
• M5: 3,821,478 km (0.058 R)
• M6: 4,426,302 km (0.063 R)
• M7: 4,864,474 km (0.081 R)
• M8: 9,370,960 km (0.091 R)
• M9: 10,284,106 km (0.114 R)
• M10: 10,892,520 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.8

Radius: 9.9

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.54 AU - 3.52 AU

Year: 3460 Days

Day: 8.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,136,944 km

• M1: 198,068 km (0.115 R)
• M2: 611,855 km (0.072 R)
• M3: 1,284,896 km (0.116 R)
• M4: 1,841,101 km (0.113 R)
• M5: 2,161,689 km (0.116 R)
• M6: 3,356,976 km (0.089 R)
• M7: 4,255,461 km (0.102 R)
• M8: 4,946,902 km (0.099 R)
• M9: 5,992,592 km (0.068 R)
• M10: 6,431,811 km (0.073 R)
• M11: 7,441,148 km (0.098 R)
• M12: 11,676,413 km (0.09 R)
• M13: 14,429,163 km (0.112 R)
• M14: 15,707,926 km (0.062 R)
• M15: 19,359,311 km (0.114 R)
• M16: 20,386,151 km (0.1 R)
• M17: 21,448,894 km (0.08 R)
• M18: 22,899,395 km (0.114 R)
• M19: 23,901,850 km (0.059 R)
• M20: 25,008,276 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.9

Radius: 3.8

Gravity: 23.33 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.33 AU - 10.39 AU

Year: 18786 Days

Day: 24.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,136,944 km

• M1: 54,005 km (0.04 R)
• M2: 195,225 km (0.117 R)
• M3: 350,508 km (0.076 R)
• M4: 474,076 km (0.104 R)
• M5: 619,335 km (0.106 R)
• M6: 842,984 km (0.068 R)
• M7: 1,118,394 km (0.107 R)
• M8: 1,283,849 km (0.056 R)
• M9: 1,601,296 km (0.111 R)
• M10: 2,096,913 km (0.068 R)
• M11: 3,230,566 km (0.107 R)
• M12: 3,514,204 km (0.057 R)
• M13: 3,730,821 km (0.111 R)
• M14: 3,870,695 km (0.115 R)
• M15: 4,072,503 km (0.094 R)
• M16: 4,311,560 km (0.071 R)
• M17: 5,909,265 km (0.089 R)
• M18: 7,070,594 km (0.092 R)
• M19: 7,241,883 km (0.063 R)
• M20: 7,548,260 km (0.077 R)
• M21: 9,833,666 km (0.092 R)
• M22: 10,706,420 km (0.06 R)
• M23: 11,335,479 km (0.046 R)
• M24: 13,370,160 km (0.114 R)
• M25: 15,206,175 km (0.094 R)
• M26: 17,985,703 km (0.118 R)
• M27: 21,980,864 km (0.073 R)
• M28: 26,426,314 km (0.111 R)
• M29: 27,255,984 km (0.078 R)
• M30: 28,749,420 km (0.081 R)
• M31: 31,782,217 km (0.087 R)
• M32: 36,784,471 km (0.119 R)
• M33: 44,428,922 km (0.1 R)
• M34: 44,574,331 km (0.042 R)
• M35: 45,453,069 km (0.071 R)
• M36: 49,394,973 km (0.107 R)
• M37: 50,178,267 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522

Radius: 6.8

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.33 AU - 11.21 AU

Year: 21591 Days

Day: 23.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,136,944 km

• M1: 98,884 km (0.096 R)
• M2: 336,146 km (0.116 R)
• M3: 751,430 km (0.111 R)
• M4: 1,281,755 km (0.079 R)
• M5: 1,998,328 km (0.083 R)
• M6: 2,260,873 km (0.075 R)
• M7: 3,297,885 km (0.046 R)
• M8: 3,521,384 km (0.043 R)
• M9: 3,754,907 km (0.06 R)
• M10: 5,535,570 km (0.098 R)
• M11: 6,181,085 km (0.108 R)
• M12: 7,288,408 km (0.096 R)
• M13: 7,572,644 km (0.064 R)
• M14: 10,837,767 km (0.053 R)
• M15: 11,396,964 km (0.091 R)
• M16: 13,400,828 km (0.077 R)
• M17: 13,756,272 km (0.119 R)
• M18: 15,942,944 km (0.116 R)
• M19: 16,503,487 km (0.08 R)
• M20: 17,834,161 km (0.066 R)
• M21: 20,239,246 km (0.051 R)
• M22: 27,011,840 km (0.092 R)
• M23: 27,351,278 km (0.112 R)
• M24: 31,649,075 km (0.032 R)
• M25: 32,918,263 km (0.078 R)
• M26: 34,751,735 km (0.07 R)
• M27: 38,335,202 km (0.08 R)
• M28: 43,848,632 km (0.088 R)
• M29: 44,160,843 km (0.064 R)
• M30: 45,265,324 km (0.109 R)
• M31: 51,065,233 km (0.097 R)
• M32: 55,134,744 km (0.102 R)
• M33: 56,230,848 km (0.1 R)
• M34: 57,902,155 km (0.116 R)
• M35: 66,963,896 km (0.094 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 10,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit