🌌 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: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.5

Radius: 12.8

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.83 AU - 1.19 AU

Year: 655 Days

Day: 11.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 75.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,255,507 km

• M1: 159,471 km (0.055 R)
• M2: 801,845 km (0.088 R)
• M3: 1,216,679 km (0.074 R)
• M4: 1,677,291 km (0.059 R)
• M5: 2,392,369 km (0.055 R)
• M6: 2,883,948 km (0.034 R)
• M7: 3,721,247 km (0.106 R)
• M8: 4,571,861 km (0.052 R)
• M9: 6,577,220 km (0.116 R)
• M10: 7,137,763 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.5

Radius: 14.9

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.52 AU - 1.56 AU

Year: 1234 Days

Day: 10.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,255,507 km

• M1: 185,352 km (0.105 R)
• M2: 663,317 km (0.115 R)
• M3: 1,220,868 km (0.056 R)
• M4: 1,807,441 km (0.047 R)
• M5: 4,998,214 km (0.079 R)
• M6: 5,650,312 km (0.104 R)
• M7: 6,165,527 km (0.096 R)
• M8: 7,291,101 km (0.047 R)
• M9: 8,339,184 km (0.077 R)
• M10: 9,599,995 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 9.8

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.33 AU - 2.07 AU

Year: 1431 Days

Day: 8.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,255,507 km

• M1: 121,922 km (0.103 R)
• M2: 498,311 km (0.102 R)
• M3: 918,381 km (0.113 R)
• M4: 1,400,984 km (0.074 R)
• M5: 2,222,276 km (0.076 R)
• M6: 2,616,766 km (0.084 R)
• M7: 3,597,978 km (0.077 R)
• M8: 4,313,954 km (0.088 R)
• M9: 5,058,054 km (0.079 R)
• M10: 5,630,415 km (0.074 R)
• M11: 6,418,497 km (0.1 R)
• M12: 7,609,595 km (0.068 R)
• M13: 8,008,572 km (0.096 R)
• M14: 8,602,775 km (0.112 R)
• M15: 9,226,149 km (0.05 R)
• M16: 9,779,362 km (0.095 R)
• M17: 10,738,734 km (0.115 R)
• M18: 12,606,164 km (0.085 R)
• M19: 13,287,732 km (0.092 R)
• M20: 13,783,499 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.6

Radius: 11.6

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.73 AU - 2.35 AU

Year: 1881 Days

Day: 8.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,255,507 km

• M1: 144,362 km (0.073 R)
• M2: 539,001 km (0.089 R)
• M3: 935,136 km (0.09 R)
• M4: 1,340,846 km (0.093 R)
• M5: 1,945,221 km (0.105 R)
• M6: 2,444,130 km (0.043 R)
• M7: 3,058,977 km (0.048 R)
• M8: 3,630,441 km (0.044 R)
• M9: 4,578,293 km (0.044 R)
• M10: 5,539,759 km (0.088 R)
• M11: 6,739,683 km (0.1 R)
• M12: 7,271,055 km (0.095 R)
• M13: 7,921,357 km (0.033 R)
• M14: 8,706,895 km (0.056 R)
• M15: 9,303,940 km (0.111 R)
• M16: 10,214,692 km (0.062 R)
• M17: 11,533,248 km (0.046 R)
• M18: 14,597,461 km (0.081 R)
• M19: 15,156,209 km (0.113 R)
• M20: 15,680,998 km (0.119 R)
• M21: 16,615,835 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.3

Radius: 12.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.27 AU - 3.07 AU

Year: 2817 Days

Day: 10.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,255,507 km

• M1: 157,975 km (0.077 R)
• M2: 832,213 km (0.096 R)
• M3: 3,029,506 km (0.08 R)
• M4: 4,012,664 km (0.113 R)
• M5: 4,536,705 km (0.053 R)
• M6: 6,178,990 km (0.089 R)
• M7: 7,574,140 km (0.074 R)
• M8: 8,124,810 km (0.075 R)
• M9: 9,000,855 km (0.085 R)
• M10: 10,599,757 km (0.113 R)
• M11: 13,496,271 km (0.085 R)
• M12: 16,577,987 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.8

Radius: 11.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.23 AU - 5.85 AU

Year: 7306 Days

Day: 6.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,255,507 km

• M1: 144,661 km (0.09 R)
• M2: 621,729 km (0.05 R)
• M3: 984,653 km (0.082 R)
• M4: 1,808,788 km (0.116 R)
• M5: 2,623,947 km (0.116 R)
• M6: 3,917,968 km (0.108 R)
• M7: 5,960,278 km (0.046 R)
• M8: 7,107,245 km (0.095 R)
• M9: 7,641,758 km (0.097 R)
• M10: 9,449,948 km (0.036 R)
• M11: 10,052,977 km (0.116 R)
• M12: 10,544,556 km (0.068 R)
• M13: 11,770,660 km (0.064 R)
• M14: 12,519,995 km (0.097 R)
• M15: 13,142,023 km (0.118 R)
• M16: 14,730,902 km (0.035 R)
• M17: 15,190,916 km (0.105 R)
• M18: 23,371,825 km (0.107 R)
• M19: 23,840,515 km (0.107 R)
• M20: 25,366,264 km (0.106 R)
• M21: 26,362,885 km (0.091 R)
• M22: 27,385,386 km (0.088 R)
• M23: 28,081,615 km (0.12 R)
• M24: 29,782,542 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.3

Radius: 7.9

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.18 AU - 8.8 AU

Year: 13235 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,255,507 km

• M1: 98,585 km (0.051 R)
• M2: 403,166 km (0.104 R)
• M3: 779,405 km (0.099 R)
• M4: 1,144,573 km (0.112 R)
• M5: 1,889,571 km (0.035 R)
• M6: 2,150,918 km (0.107 R)
• M7: 2,725,823 km (0.086 R)
• M8: 3,038,183 km (0.099 R)
• M9: 4,121,571 km (0.1 R)
• M10: 4,595,647 km (0.092 R)
• M11: 5,238,618 km (0.057 R)
• M12: 5,688,010 km (0.057 R)
• M13: 7,401,355 km (0.062 R)
• M14: 11,071,290 km (0.11 R)
• M15: 15,872,184 km (0.104 R)
• M16: 17,560,845 km (0.106 R)
• M17: 20,523,481 km (0.059 R)
• M18: 21,205,199 km (0.103 R)
• M19: 38,979,221 km (0.075 R)
• M20: 43,409,712 km (0.025 R)
• M21: 43,828,436 km (0.076 R)
• M22: 50,744,495 km (0.119 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: 275 - 18,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit