🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 11.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.76 AU - 1.1 AU

Year: 570 Days

Day: 6.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,471,961 km

• M1: 144,512 km (0.046 R)
• M2: 517,010 km (0.116 R)
• M3: 1,069,326 km (0.034 R)
• M4: 1,700,778 km (0.114 R)
• M5: 2,129,077 km (0.057 R)
• M6: 2,490,057 km (0.101 R)
• M7: 2,859,862 km (0.029 R)
• M8: 3,936,219 km (0.116 R)
• M9: 4,311,411 km (0.098 R)
• M10: 5,281,403 km (0.026 R)
• M11: 6,316,620 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.6

Radius: 9.1

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.02 AU - 1.32 AU

Year: 805 Days

Day: 14.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,471,961 km

• M1: 113,246 km (0.075 R)
• M2: 472,430 km (0.115 R)
• M3: 877,242 km (0.086 R)
• M4: 1,191,996 km (0.08 R)
• M5: 1,977,534 km (0.025 R)
• M6: 2,264,313 km (0.057 R)
• M7: 2,829,195 km (0.092 R)
• M8: 3,184,340 km (0.106 R)
• M9: 3,817,588 km (0.085 R)
• M10: 4,839,192 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.4

Radius: 12.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.74 AU - 2.66 AU

Year: 2075 Days

Day: 7.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,471,961 km

• M1: 151,692 km (0.055 R)
• M2: 565,330 km (0.053 R)
• M3: 1,759,421 km (0.116 R)
• M4: 2,546,006 km (0.073 R)
• M5: 3,383,006 km (0.083 R)
• M6: 4,054,551 km (0.106 R)
• M7: 4,793,864 km (0.084 R)
• M8: 5,363,383 km (0.112 R)
• M9: 6,161,637 km (0.05 R)
• M10: 6,565,252 km (0.085 R)
• M11: 8,162,060 km (0.116 R)
• M12: 8,886,413 km (0.085 R)
• M13: 9,811,526 km (0.113 R)
• M14: 11,494,951 km (0.104 R)
• M15: 12,782,689 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.7

Radius: 9.6

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.06 AU - 6.08 AU

Year: 8358 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,471,961 km

• M1: 120,277 km (0.054 R)
• M2: 475,123 km (0.077 R)
• M3: 838,047 km (0.101 R)
• M4: 1,231,490 km (0.089 R)
• M5: 1,692,700 km (0.09 R)
• M6: 2,508,607 km (0.074 R)
• M7: 3,277,839 km (0.098 R)
• M8: 3,612,789 km (0.11 R)
• M9: 4,511,423 km (0.086 R)
• M10: 5,368,619 km (0.118 R)
• M11: 5,804,098 km (0.116 R)
• M12: 6,640,500 km (0.06 R)
• M13: 7,142,850 km (0.051 R)
• M14: 10,371,770 km (0.058 R)
• M15: 12,597,936 km (0.109 R)
• M16: 13,089,664 km (0.088 R)
• M17: 13,765,248 km (0.118 R)
• M18: 15,124,943 km (0.112 R)
• M19: 16,186,041 km (0.052 R)
• M20: 16,767,378 km (0.103 R)
• M21: 17,096,493 km (0.068 R)
• M22: 19,959,198 km (0.05 R)
• M23: 21,775,466 km (0.102 R)
• M24: 23,289,546 km (0.084 R)
• M25: 26,526,246 km (0.105 R)
• M26: 28,531,007 km (0.111 R)
• M27: 31,028,094 km (0.089 R)
• M28: 33,251,867 km (0.107 R)
• M29: 33,771,719 km (0.102 R)
• M30: 35,041,506 km (0.11 R)
• M31: 36,233,053 km (0.111 R)
• M32: 37,228,029 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.2

Radius: 4.9

Gravity: 32.49 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 10.01 AU - 12.43 AU

Year: 23896 Days

Day: 16.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,471,961 km

• M1: 61,186 km (0.089 R)
• M2: 949,498 km (0.113 R)
• M3: 1,134,700 km (0.029 R)
• M4: 1,359,845 km (0.079 R)
• M5: 4,197,866 km (0.102 R)
• M6: 7,219,444 km (0.081 R)
• M7: 8,100,426 km (0.115 R)
• M8: 8,594,697 km (0.092 R)
• M9: 15,428,926 km (0.076 R)
• M10: 19,277,331 km (0.115 R)
• M11: 21,473,428 km (0.08 R)
• M12: 22,954,447 km (0.097 R)
• M13: 26,236,475 km (0.072 R)
• M14: 30,336,354 km (0.027 R)
• M15: 31,390,869 km (0.059 R)
• M16: 34,986,454 km (0.098 R)
• M17: 35,999,381 km (0.066 R)
• M18: 38,847,276 km (0.11 R)
• M19: 39,776,877 km (0.111 R)
• M20: 41,841,627 km (0.078 R)
• M21: 43,312,324 km (0.08 R)
• M22: 73,615,467 km (0.071 R)
• M23: 74,087,597 km (0.081 R)
• M24: 75,276,452 km (0.082 R)
• M25: 85,508,497 km (0.083 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 18,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit