🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.3

Radius: 9.9

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.56 AU - 0.92 AU

Year: 424 Days

Day: 5.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,755,395 km

• M1: 123,119 km (0.054 R)
• M2: 971,638 km (0.102 R)
• M3: 1,464,414 km (0.106 R)
• M4: 1,885,980 km (0.098 R)
• M5: 2,292,587 km (0.073 R)
• M6: 3,028,160 km (0.08 R)
• M7: 3,707,334 km (0.065 R)
• M8: 4,677,776 km (0.037 R)
• M9: 5,007,041 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.3

Radius: 11.2

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.05 AU - 1.07 AU

Year: 728 Days

Day: 7.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,755,395 km

• M1: 139,276 km (0.09 R)
• M2: 547,678 km (0.077 R)
• M3: 901,776 km (0.056 R)
• M4: 1,792,781 km (0.098 R)
• M5: 2,438,296 km (0.109 R)
• M6: 4,207,590 km (0.067 R)
• M7: 4,851,160 km (0.089 R)
• M8: 5,630,415 km (0.12 R)
• M9: 6,125,434 km (0.03 R)
• M10: 6,709,315 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.7

Radius: 14.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1 AU - 1.54 AU

Year: 954 Days

Day: 6.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,755,395 km

• M1: 183,557 km (0.071 R)
• M2: 686,505 km (0.033 R)
• M3: 1,209,200 km (0.04 R)
• M4: 1,669,512 km (0.092 R)
• M5: 2,239,630 km (0.115 R)
• M6: 3,043,419 km (0.071 R)
• M7: 3,587,207 km (0.119 R)
• M8: 4,146,703 km (0.073 R)
• M9: 4,836,649 km (0.102 R)
• M10: 5,703,568 km (0.111 R)
• M11: 6,786,059 km (0.068 R)
• M12: 8,852,903 km (0.102 R)
• M13: 10,091,124 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.6

Radius: 13

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.76 AU - 1.8 AU

Year: 1584 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,755,395 km

• M1: 161,865 km (0.115 R)
• M2: 807,978 km (0.092 R)
• M3: 1,809,685 km (0.06 R)
• M4: 3,629,244 km (0.109 R)
• M5: 5,244,303 km (0.058 R)
• M6: 6,718,740 km (0.089 R)
• M7: 7,429,180 km (0.076 R)
• M8: 7,906,846 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.7

Radius: 9.5

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.95 AU - 2.11 AU

Year: 1929 Days

Day: 6.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,755,395 km

• M1: 118,182 km (0.081 R)
• M2: 535,411 km (0.074 R)
• M3: 1,044,492 km (0.065 R)
• M4: 1,426,565 km (0.075 R)
• M5: 2,114,865 km (0.054 R)
• M6: 2,633,970 km (0.085 R)
• M7: 4,061,433 km (0.111 R)
• M8: 10,437,892 km (0.054 R)
• M9: 11,075,778 km (0.063 R)
• M10: 11,462,937 km (0.112 R)
• M11: 12,595,243 km (0.044 R)
• M12: 13,188,548 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.9

Radius: 12.6

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.01 AU - 3.53 AU

Year: 3943 Days

Day: 7.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,755,395 km

• M1: 156,928 km (0.119 R)
• M2: 678,127 km (0.109 R)
• M3: 1,165,966 km (0.044 R)
• M4: 1,736,532 km (0.057 R)
• M5: 2,197,144 km (0.089 R)
• M6: 4,424,058 km (0.066 R)
• M7: 4,923,715 km (0.115 R)
• M8: 5,488,746 km (0.042 R)
• M9: 5,948,011 km (0.075 R)
• M10: 7,447,880 km (0.116 R)
• M11: 8,194,373 km (0.117 R)
• M12: 8,604,870 km (0.078 R)
• M13: 9,226,598 km (0.109 R)
• M14: 10,130,169 km (0.084 R)
• M15: 10,912,566 km (0.105 R)
• M16: 14,667,772 km (0.094 R)
• M17: 15,612,632 km (0.113 R)
• M18: 16,187,238 km (0.118 R)
• M19: 16,656,975 km (0.097 R)
• M20: 18,884,487 km (0.044 R)
• M21: 21,025,382 km (0.073 R)
• M22: 21,797,307 km (0.025 R)
• M23: 24,150,781 km (0.059 R)
• M24: 25,863,976 km (0.057 R)
• M25: 27,907,632 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.6

Radius: 11.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.09 AU - 4.27 AU

Year: 5699 Days

Day: 5.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,755,395 km

• M1: 144,212 km (0.108 R)
• M2: 769,681 km (0.051 R)
• M3: 1,155,344 km (0.059 R)
• M4: 2,295,430 km (0.117 R)
• M5: 2,910,875 km (0.079 R)
• M6: 3,861,420 km (0.098 R)
• M7: 4,602,827 km (0.045 R)
• M8: 5,828,333 km (0.085 R)
• M9: 6,873,274 km (0.092 R)
• M10: 8,232,520 km (0.105 R)
• M11: 9,589,373 km (0.107 R)
• M12: 10,806,202 km (0.059 R)
• M13: 11,379,012 km (0.077 R)
• M14: 13,327,375 km (0.118 R)
• M15: 14,494,837 km (0.086 R)
• M16: 19,154,960 km (0.091 R)
• M17: 19,994,653 km (0.097 R)
• M18: 20,858,581 km (0.068 R)
• M19: 24,160,056 km (0.097 R)
• M20: 25,472,628 km (0.079 R)
• M21: 29,419,020 km (0.104 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 17,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit