🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601

Radius: 10.4

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.58 AU - 0.84 AU

Year: 406 Days

Day: 8.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,343,274 km

• M1: 129,402 km (0.093 R)
• M2: 460,313 km (0.086 R)
• M3: 966,851 km (0.056 R)
• M4: 1,502,860 km (0.103 R)
• M5: 1,935,796 km (0.104 R)
• M6: 2,334,026 km (0.1 R)
• M7: 2,797,031 km (0.1 R)
• M8: 3,142,752 km (0.098 R)
• M9: 3,770,764 km (0.096 R)
• M10: 4,956,626 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.9

Radius: 9.2

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.92 AU - 1.1 AU

Year: 688 Days

Day: 5.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,343,274 km

• M1: 114,742 km (0.113 R)
• M2: 491,429 km (0.066 R)
• M3: 847,173 km (0.108 R)
• M4: 1,250,788 km (0.113 R)
• M5: 1,824,645 km (0.057 R)
• M6: 2,368,284 km (0.094 R)
• M7: 3,004,075 km (0.103 R)
• M8: 3,437,460 km (0.12 R)
• M9: 4,430,191 km (0.093 R)
• M10: 6,138,300 km (0.083 R)
• M11: 6,429,118 km (0.12 R)
• M12: 6,949,120 km (0.114 R)
• M13: 8,808,472 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387

Radius: 10

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.33 AU - 1.47 AU

Year: 1124 Days

Day: 5.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,343,274 km

• M1: 124,465 km (0.066 R)
• M2: 436,826 km (0.049 R)
• M3: 793,916 km (0.074 R)
• M4: 1,156,392 km (0.048 R)
• M5: 1,739,973 km (0.116 R)
• M6: 2,411,069 km (0.078 R)
• M7: 2,986,273 km (0.084 R)
• M8: 3,409,635 km (0.117 R)
• M9: 4,561,089 km (0.117 R)
• M10: 4,997,466 km (0.038 R)
• M11: 6,938,200 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.3

Radius: 8.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.36 AU - 1.74 AU

Year: 1309 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,343,274 km

• M1: 106,962 km (0.094 R)
• M2: 542,591 km (0.044 R)
• M3: 1,720,076 km (0.077 R)
• M4: 2,772,946 km (0.117 R)
• M5: 3,460,199 km (0.118 R)
• M6: 4,653,092 km (0.042 R)
• M7: 5,284,844 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625

Radius: 8.8

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.54 AU - 2.1 AU

Year: 1665 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,343,274 km

• M1: 116,537 km (0.115 R)
• M2: 529,427 km (0.092 R)
• M3: 899,981 km (0.104 R)
• M4: 1,235,080 km (0.082 R)
• M5: 1,897,051 km (0.116 R)
• M6: 2,199,986 km (0.1 R)
• M7: 2,991,658 km (0.102 R)
• M8: 3,634,181 km (0.114 R)
• M9: 4,384,564 km (0.088 R)
• M10: 5,149,159 km (0.118 R)
• M11: 5,859,749 km (0.113 R)
• M12: 6,385,136 km (0.102 R)
• M13: 8,385,260 km (0.105 R)
• M14: 9,303,940 km (0.11 R)
• M15: 9,886,474 km (0.097 R)
• M16: 10,186,867 km (0.112 R)
• M17: 10,735,742 km (0.058 R)
• M18: 11,053,188 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271

Radius: 12.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.28 AU - 5.12 AU

Year: 5838 Days

Day: 6.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,343,274 km

• M1: 156,779 km (0.1 R)
• M2: 659,128 km (0.09 R)
• M3: 1,159,533 km (0.101 R)
• M4: 1,839,904 km (0.101 R)
• M5: 2,294,383 km (0.117 R)
• M6: 3,191,222 km (0.057 R)
• M7: 3,610,545 km (0.114 R)
• M8: 4,377,084 km (0.101 R)
• M9: 4,921,770 km (0.073 R)
• M10: 6,351,178 km (0.112 R)
• M11: 7,403,898 km (0.052 R)
• M12: 9,083,732 km (0.1 R)
• M13: 10,835,374 km (0.063 R)
• M14: 12,061,328 km (0.104 R)
• M15: 13,573,314 km (0.07 R)
• M16: 16,073,244 km (0.107 R)
• M17: 19,236,341 km (0.102 R)
• M18: 21,030,020 km (0.109 R)
• M19: 21,428,399 km (0.055 R)
• M20: 22,103,684 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.7

Radius: 14.5

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.71 AU - 4.71 AU

Year: 6933 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,343,274 km

• M1: 180,415 km (0.048 R)
• M2: 650,302 km (0.079 R)
• M3: 1,216,829 km (0.092 R)
• M4: 1,860,100 km (0.025 R)
• M5: 2,585,051 km (0.069 R)
• M6: 3,142,303 km (0.093 R)
• M7: 3,667,541 km (0.109 R)
• M8: 4,276,106 km (0.098 R)
• M9: 4,897,385 km (0.045 R)
• M10: 6,098,357 km (0.097 R)
• M11: 7,201,193 km (0.088 R)
• M12: 12,404,207 km (0.086 R)
• M13: 14,115,008 km (0.094 R)
• M14: 18,265,302 km (0.065 R)
• M15: 18,734,141 km (0.089 R)
• M16: 20,690,582 km (0.032 R)
• M17: 21,718,469 km (0.111 R)
• M18: 25,752,077 km (0.044 R)
• M19: 30,917,691 km (0.098 R)
• M20: 31,873,173 km (0.095 R)
• M21: 33,144,755 km (0.058 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: 441 - 12,097 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit