🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.7

Radius: 14.7

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.92 AU - 1.12 AU

Year: 655 Days

Day: 13.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,424,243 km

• M1: 183,407 km (0.068 R)
• M2: 650,152 km (0.115 R)
• M3: 1,298,809 km (0.117 R)
• M4: 1,806,544 km (0.107 R)
• M5: 2,417,801 km (0.1 R)
• M6: 2,947,527 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.2

Radius: 12.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.98 AU - 1.56 AU

Year: 910 Days

Day: 7.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,424,243 km

• M1: 156,629 km (0.089 R)
• M2: 989,889 km (0.116 R)
• M3: 1,696,440 km (0.084 R)
• M4: 2,484,821 km (0.112 R)
• M5: 3,065,260 km (0.117 R)
• M6: 3,917,071 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.3

Radius: 13.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.17 AU - 1.39 AU

Year: 921 Days

Day: 6.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,424,243 km

• M1: 164,109 km (0.118 R)
• M2: 580,589 km (0.041 R)
• M3: 1,293,124 km (0.111 R)
• M4: 2,030,791 km (0.117 R)
• M5: 2,447,421 km (0.092 R)
• M6: 3,211,567 km (0.118 R)
• M7: 4,244,840 km (0.114 R)
• M8: 5,000,458 km (0.113 R)
• M9: 6,009,047 km (0.077 R)
• M10: 6,483,721 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.7

Radius: 14.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.88 AU - 2.48 AU

Year: 2047 Days

Day: 6.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,424,243 km

• M1: 185,352 km (0.047 R)
• M2: 742,305 km (0.114 R)
• M3: 1,265,299 km (0.107 R)
• M4: 1,752,090 km (0.118 R)
• M5: 2,297,225 km (0.077 R)
• M6: 2,805,409 km (0.112 R)
• M7: 3,402,454 km (0.081 R)
• M8: 5,127,467 km (0.031 R)
• M9: 5,666,019 km (0.104 R)
• M10: 6,423,134 km (0.113 R)
• M11: 7,093,781 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.2

Radius: 15

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.03 AU - 2.81 AU

Year: 2394 Days

Day: 11.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,424,243 km

• M1: 186,698 km (0.116 R)
• M2: 1,011,730 km (0.061 R)
• M3: 1,540,708 km (0.109 R)
• M4: 2,211,057 km (0.063 R)
• M5: 4,042,434 km (0.087 R)
• M6: 4,836,499 km (0.084 R)
• M7: 5,553,971 km (0.075 R)
• M8: 6,488,209 km (0.09 R)
• M9: 7,689,779 km (0.104 R)
• M10: 8,669,795 km (0.04 R)
• M11: 11,963,940 km (0.105 R)
• M12: 13,001,401 km (0.063 R)
• M13: 13,562,543 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.8

Radius: 11.4

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.5 AU - 4.28 AU

Year: 4878 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,424,243 km

• M1: 141,819 km (0.114 R)
• M2: 633,846 km (0.039 R)
• M3: 1,048,083 km (0.064 R)
• M4: 1,475,484 km (0.09 R)
• M5: 2,479,286 km (0.089 R)
• M6: 2,873,326 km (0.113 R)
• M7: 3,809,659 km (0.077 R)
• M8: 4,724,750 km (0.059 R)
• M9: 5,620,691 km (0.117 R)
• M10: 6,109,427 km (0.047 R)
• M11: 6,655,908 km (0.118 R)
• M12: 7,329,248 km (0.036 R)
• M13: 7,946,938 km (0.087 R)
• M14: 8,424,006 km (0.104 R)
• M15: 9,028,830 km (0.115 R)
• M16: 9,700,674 km (0.093 R)
• M17: 10,935,754 km (0.071 R)
• M18: 11,656,068 km (0.095 R)
• M19: 12,407,647 km (0.084 R)
• M20: 13,619,390 km (0.096 R)
• M21: 14,806,599 km (0.063 R)
• M22: 15,269,006 km (0.076 R)
• M23: 16,061,426 km (0.076 R)
• M24: 16,659,668 km (0.077 R)
• M25: 18,016,670 km (0.058 R)
• M26: 18,662,634 km (0.084 R)
• M27: 22,260,612 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.6

Radius: 9.6

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.56 AU - 4.58 AU

Year: 6212 Days

Day: 9 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,424,243 km

• M1: 119,678 km (0.092 R)
• M2: 521,498 km (0.119 R)
• M3: 837,748 km (0.055 R)
• M4: 1,423,125 km (0.108 R)
• M5: 1,822,102 km (0.064 R)
• M6: 2,181,586 km (0.111 R)
• M7: 4,023,884 km (0.076 R)
• M8: 4,453,529 km (0.07 R)
• M9: 5,054,912 km (0.057 R)
• M10: 5,678,586 km (0.06 R)
• M11: 6,025,353 km (0.107 R)
• M12: 8,615,192 km (0.079 R)
• M13: 8,947,299 km (0.06 R)
• M14: 10,269,445 km (0.117 R)
• M15: 12,970,135 km (0.119 R)
• M16: 14,717,738 km (0.06 R)
• M17: 16,553,304 km (0.083 R)
• M18: 17,525,989 km (0.114 R)
• M19: 19,443,235 km (0.093 R)
• M20: 20,233,411 km (0.085 R)
• M21: 23,528,454 km (0.082 R)
• M22: 24,674,074 km (0.081 R)
• M23: 26,461,919 km (0.101 R)
• M24: 28,977,556 km (0.094 R)
• M25: 31,648,626 km (0.104 R)
• M26: 34,897,294 km (0.093 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: 441 - 10,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit