🌌 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: 588.5

Radius: 12.2

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.48 AU - 0.68 AU

Year: 300 Days

Day: 9 Hours

Environment

Temp: -151 °C

Axial Tilt: 101.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,797,217 km

• M1: 152,291 km (0.064 R)
• M2: 567,425 km (0.08 R)
• M3: 1,068,428 km (0.104 R)
• M4: 1,551,928 km (0.096 R)
• M5: 1,934,899 km (0.114 R)
• M6: 2,525,960 km (0.116 R)
• M7: 3,402,753 km (0.048 R)
• M8: 3,813,250 km (0.1 R)
• M9: 4,370,053 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.6

Radius: 12.2

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.57 AU - 0.91 AU

Year: 432 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,797,217 km

• M1: 151,692 km (0.101 R)
• M2: 593,604 km (0.111 R)
• M3: 1,125,724 km (0.092 R)
• M4: 1,602,642 km (0.107 R)
• M5: 2,291,540 km (0.049 R)
• M6: 3,158,909 km (0.102 R)
• M7: 4,907,259 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94

Radius: 13.9

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.83 AU - 1.27 AU

Year: 730 Days

Day: 13.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,797,217 km

• M1: 172,935 km (0.075 R)
• M2: 605,871 km (0.064 R)
• M3: 1,081,593 km (0.097 R)
• M4: 1,928,317 km (0.034 R)
• M5: 2,383,692 km (0.065 R)
• M6: 3,204,386 km (0.119 R)
• M7: 4,014,309 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.5

Radius: 14.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.14 AU - 1.24 AU

Year: 880 Days

Day: 5.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,797,217 km

• M1: 180,116 km (0.077 R)
• M2: 711,487 km (0.119 R)
• M3: 1,366,277 km (0.102 R)
• M4: 1,871,769 km (0.034 R)
• M5: 2,424,233 km (0.111 R)
• M6: 2,877,515 km (0.108 R)
• M7: 3,416,666 km (0.042 R)
• M8: 4,007,278 km (0.119 R)
• M9: 4,791,171 km (0.049 R)
• M10: 5,454,488 km (0.094 R)
• M11: 6,007,551 km (0.109 R)
• M12: 7,844,912 km (0.063 R)
• M13: 8,471,129 km (0.115 R)
• M14: 9,329,222 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.2

Radius: 12.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.14 AU - 5.34 AU

Year: 6999 Days

Day: 12 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,797,217 km

• M1: 160,668 km (0.093 R)
• M2: 561,291 km (0.052 R)
• M3: 1,093,112 km (0.091 R)
• M4: 2,144,485 km (0.104 R)
• M5: 2,992,107 km (0.101 R)
• M6: 3,619,221 km (0.109 R)
• M7: 4,076,692 km (0.098 R)
• M8: 4,491,676 km (0.073 R)
• M9: 5,910,313 km (0.026 R)
• M10: 7,647,443 km (0.077 R)
• M11: 9,081,788 km (0.076 R)
• M12: 9,478,072 km (0.088 R)
• M13: 10,785,707 km (0.053 R)
• M14: 12,051,754 km (0.068 R)
• M15: 13,584,833 km (0.115 R)
• M16: 14,999,281 km (0.039 R)
• M17: 16,836,792 km (0.043 R)
• M18: 17,981,365 km (0.108 R)
• M19: 18,537,719 km (0.049 R)
• M20: 19,321,313 km (0.1 R)
• M21: 20,575,542 km (0.088 R)
• M22: 21,184,255 km (0.081 R)
• M23: 21,804,937 km (0.117 R)
• M24: 22,517,771 km (0.102 R)
• M25: 24,073,439 km (0.098 R)
• M26: 28,696,462 km (0.106 R)
• M27: 30,720,521 km (0.109 R)
• M28: 31,918,950 km (0.032 R)
• M29: 32,325,407 km (0.12 R)
• M30: 36,359,762 km (0.076 R)
• M31: 36,803,021 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.3

Radius: 5.4

Gravity: 30.63 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.7 AU - 8.18 AU

Year: 15175 Days

Day: 17.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,797,217 km

• M1: 67,169 km (0.06 R)
• M2: 383,120 km (0.106 R)
• M3: 579,393 km (0.089 R)
• M4: 753,824 km (0.039 R)
• M5: 952,340 km (0.059 R)
• M6: 1,352,814 km (0.062 R)
• M7: 1,600,099 km (0.112 R)
• M8: 1,787,246 km (0.097 R)
• M9: 2,438,744 km (0.118 R)
• M10: 2,687,825 km (0.066 R)
• M11: 3,798,589 km (0.079 R)
• M12: 3,979,004 km (0.084 R)
• M13: 5,408,113 km (0.062 R)
• M14: 9,725,358 km (0.107 R)
• M15: 11,814,043 km (0.12 R)
• M16: 12,527,774 km (0.113 R)
• M17: 19,215,846 km (0.075 R)
• M18: 23,662,494 km (0.109 R)
• M19: 25,426,252 km (0.083 R)
• M20: 29,096,786 km (0.1 R)
• M21: 31,730,606 km (0.063 R)
• M22: 34,649,709 km (0.108 R)
• M23: 39,285,149 km (0.044 R)
• M24: 40,723,383 km (0.096 R)
• M25: 43,248,296 km (0.095 R)
• M26: 43,704,420 km (0.109 R)
• M27: 51,957,584 km (0.108 R)
• M28: 55,458,474 km (0.093 R)
• M29: 55,996,877 km (0.119 R)
• M30: 59,113,599 km (0.11 R)
• M31: 60,051,876 km (0.101 R)
• M32: 62,150,735 km (0.102 R)
• M33: 64,298,062 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976

Radius: 5.7

Gravity: 30.04 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.18 AU - 11.28 AU

Year: 19019 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,797,217 km

• M1: 70,909 km (0.11 R)
• M2: 499,208 km (0.093 R)
• M3: 732,730 km (0.078 R)
• M4: 1,130,810 km (0.097 R)
• M5: 1,627,924 km (0.088 R)
• M6: 2,216,292 km (0.09 R)
• M7: 2,781,623 km (0.113 R)
• M8: 3,409,186 km (0.098 R)
• M9: 3,995,310 km (0.106 R)
• M10: 4,329,512 km (0.09 R)
• M11: 5,485,455 km (0.106 R)
• M12: 6,833,481 km (0.102 R)
• M13: 7,214,357 km (0.081 R)
• M14: 9,684,817 km (0.117 R)
• M15: 11,905,298 km (0.112 R)
• M16: 12,317,290 km (0.112 R)
• M17: 12,953,081 km (0.069 R)
• M18: 13,684,914 km (0.043 R)
• M19: 14,366,781 km (0.11 R)
• M20: 15,880,113 km (0.066 R)
• M21: 16,128,446 km (0.12 R)
• M22: 20,462,296 km (0.118 R)
• M23: 25,626,414 km (0.068 R)
• M24: 27,365,490 km (0.071 R)
• M25: 32,651,231 km (0.108 R)
• M26: 49,103,107 km (0.103 R)
• M27: 51,958,632 km (0.038 R)
• M28: 52,873,273 km (0.034 R)
• M29: 57,025,063 km (0.027 R)
• M30: 58,194,020 km (0.12 R)
• M31: 60,378,449 km (0.088 R)
• M32: 63,236,666 km (0.042 R)
• M33: 76,510,933 km (0.082 R)
• M34: 77,219,429 km (0.089 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: 460 - 19,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit