🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.4

Radius: 12.3

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1 AU - 1.2 AU

Year: 745 Days

Day: 12.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,600,805 km

• M1: 156,928 km (0.118 R)
• M2: 903,122 km (0.091 R)
• M3: 1,386,024 km (0.102 R)
• M4: 2,264,164 km (0.09 R)
• M5: 2,938,252 km (0.104 R)
• M6: 4,484,495 km (0.099 R)
• M7: 5,925,123 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.2

Radius: 14.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.4 AU - 1.92 AU

Year: 1381 Days

Day: 7.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,600,805 km

• M1: 176,525 km (0.09 R)
• M2: 704,008 km (0.118 R)
• M3: 1,254,528 km (0.111 R)
• M4: 1,729,800 km (0.111 R)
• M5: 2,527,755 km (0.113 R)
• M6: 4,306,324 km (0.038 R)
• M7: 4,802,092 km (0.12 R)
• M8: 5,522,854 km (0.052 R)
• M9: 5,975,837 km (0.08 R)
• M10: 6,908,280 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.7

Radius: 14.7

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.19 AU - 2.43 AU

Year: 2267 Days

Day: 11.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,600,805 km

• M1: 182,809 km (0.09 R)
• M2: 1,082,490 km (0.092 R)
• M3: 1,659,489 km (0.073 R)
• M4: 2,719,988 km (0.08 R)
• M5: 3,359,519 km (0.09 R)
• M6: 4,040,638 km (0.085 R)
• M7: 4,684,657 km (0.12 R)
• M8: 5,234,878 km (0.072 R)
• M9: 6,128,726 km (0.072 R)
• M10: 6,680,143 km (0.098 R)
• M11: 9,327,427 km (0.083 R)
• M12: 9,846,233 km (0.051 R)
• M13: 10,311,332 km (0.068 R)
• M14: 12,239,649 km (0.051 R)
• M15: 12,946,948 km (0.095 R)
• M16: 13,637,641 km (0.04 R)
• M17: 14,535,228 km (0.119 R)
• M18: 15,092,630 km (0.116 R)
• M19: 16,151,484 km (0.072 R)
• M20: 16,749,576 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41

Radius: 14.6

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.98 AU - 2.98 AU

Year: 2522 Days

Day: 13.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,600,805 km

• M1: 188,643 km (0.087 R)
• M2: 803,640 km (0.046 R)
• M3: 1,863,690 km (0.112 R)
• M4: 3,092,936 km (0.12 R)
• M5: 4,237,360 km (0.102 R)
• M6: 4,858,789 km (0.105 R)
• M7: 6,621,950 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.9

Radius: 8.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.28 AU - 3.98 AU

Year: 4466 Days

Day: 13.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,600,805 km

• M1: 111,151 km (0.081 R)
• M2: 410,646 km (0.104 R)
• M3: 869,762 km (0.117 R)
• M4: 2,016,579 km (0.113 R)
• M5: 2,555,730 km (0.105 R)
• M6: 2,960,542 km (0.062 R)
• M7: 4,690,492 km (0.074 R)
• M8: 5,224,107 km (0.025 R)
• M9: 6,268,899 km (0.119 R)
• M10: 6,646,484 km (0.082 R)
• M11: 7,837,732 km (0.069 R)
• M12: 8,310,760 km (0.057 R)
• M13: 10,196,441 km (0.072 R)
• M14: 10,678,446 km (0.089 R)
• M15: 12,171,881 km (0.095 R)
• M16: 14,290,337 km (0.075 R)
• M17: 15,938,756 km (0.067 R)
• M18: 17,652,848 km (0.108 R)
• M19: 17,998,419 km (0.108 R)
• M20: 18,525,004 km (0.073 R)
• M21: 19,609,139 km (0.039 R)
• M22: 20,990,825 km (0.094 R)
• M23: 22,035,766 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.2

Radius: 3.9

Gravity: 27.17 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.43 AU - 8.31 AU

Year: 12919 Days

Day: 16.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,600,805 km

• M1: 52,359 km (0.084 R)
• M2: 182,958 km (0.103 R)
• M3: 595,100 km (0.068 R)
• M4: 1,423,573 km (0.077 R)
• M5: 1,726,509 km (0.117 R)
• M6: 2,002,068 km (0.094 R)
• M7: 2,250,401 km (0.096 R)
• M8: 3,453,916 km (0.104 R)
• M9: 3,680,856 km (0.07 R)
• M10: 4,136,531 km (0.069 R)
• M11: 4,334,897 km (0.026 R)
• M12: 6,718,889 km (0.053 R)
• M13: 7,903,106 km (0.12 R)
• M14: 10,414,555 km (0.085 R)
• M15: 10,781,668 km (0.073 R)
• M16: 14,161,832 km (0.086 R)
• M17: 14,873,768 km (0.108 R)
• M18: 15,005,714 km (0.069 R)
• M19: 15,745,625 km (0.074 R)
• M20: 17,370,706 km (0.087 R)
• M21: 19,417,056 km (0.093 R)
• M22: 22,822,801 km (0.069 R)
• M23: 27,390,173 km (0.069 R)
• M24: 28,696,761 km (0.108 R)
• M25: 28,901,411 km (0.076 R)
• M26: 30,467,252 km (0.104 R)
• M27: 31,217,036 km (0.12 R)
• M28: 32,641,807 km (0.081 R)
• M29: 33,313,800 km (0.08 R)
• M30: 34,224,103 km (0.072 R)
• M31: 36,572,191 km (0.111 R)
• M32: 43,578,458 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.8

Radius: 5.2

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.51 AU - 10.11 AU

Year: 18342 Days

Day: 17.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 55,600,805 km

• M1: 65,823 km (0.081 R)
• M2: 318,643 km (0.03 R)
• M3: 495,767 km (0.081 R)
• M4: 1,296,864 km (0.114 R)
• M5: 1,475,933 km (0.114 R)
• M6: 1,655,899 km (0.062 R)
• M7: 2,466,270 km (0.119 R)
• M8: 2,809,897 km (0.089 R)
• M9: 3,384,353 km (0.105 R)
• M10: 3,754,009 km (0.079 R)
• M11: 3,948,636 km (0.096 R)
• M12: 4,604,622 km (0.06 R)
• M13: 5,091,713 km (0.1 R)
• M14: 6,130,072 km (0.076 R)
• M15: 7,562,322 km (0.043 R)
• M16: 7,963,992 km (0.108 R)
• M17: 8,193,176 km (0.055 R)
• M18: 8,473,971 km (0.106 R)
• M19: 8,907,207 km (0.059 R)
• M20: 10,241,620 km (0.059 R)
• M21: 10,677,847 km (0.036 R)
• M22: 11,470,566 km (0.092 R)
• M23: 11,881,362 km (0.062 R)
• M24: 17,144,664 km (0.097 R)
• M25: 18,388,271 km (0.094 R)
• M26: 19,113,522 km (0.092 R)
• M27: 20,621,169 km (0.11 R)
• M28: 29,469,733 km (0.089 R)
• M29: 31,704,875 km (0.082 R)
• M30: 34,533,172 km (0.072 R)
• M31: 34,776,269 km (0.091 R)
• M32: 36,133,271 km (0.106 R)
• M33: 37,782,139 km (0.047 R)
• M34: 42,469,340 km (0.099 R)
• M35: 42,888,363 km (0.096 R)
• M36: 43,876,457 km (0.095 R)
• M37: 46,045,028 km (0.065 R)
• M38: 46,932,143 km (0.045 R)
• M39: 50,126,507 km (0.107 R)
• M40: 54,442,704 km (0.099 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 19,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit