🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.4

Radius: 8.2

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.61 AU - 0.85 AU

Year: 409 Days

Day: 6.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,899,335 km

• M1: 102,026 km (0.101 R)
• M2: 387,608 km (0.058 R)
• M3: 780,452 km (0.074 R)
• M4: 1,240,615 km (0.046 R)
• M5: 1,540,110 km (0.078 R)
• M6: 1,974,841 km (0.108 R)
• M7: 2,461,334 km (0.096 R)
• M8: 2,804,362 km (0.11 R)
• M9: 3,338,276 km (0.084 R)
• M10: 4,451,733 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.5

Radius: 11.1

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.67 AU - 1.07 AU

Year: 532 Days

Day: 10.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,899,335 km

• M1: 138,079 km (0.114 R)
• M2: 529,128 km (0.101 R)
• M3: 1,132,755 km (0.12 R)
• M4: 2,525,362 km (0.089 R)
• M5: 2,957,849 km (0.057 R)
• M6: 4,235,265 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.8

Radius: 14.1

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.87 AU - 2.71 AU

Year: 2273 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,899,335 km

• M1: 175,329 km (0.053 R)
• M2: 941,270 km (0.105 R)
• M3: 2,004,462 km (0.064 R)
• M4: 2,449,964 km (0.1 R)
• M5: 2,962,487 km (0.106 R)
• M6: 4,139,523 km (0.094 R)
• M7: 5,222,013 km (0.101 R)
• M8: 7,503,081 km (0.117 R)
• M9: 7,970,724 km (0.075 R)
• M10: 8,457,665 km (0.086 R)
• M11: 10,934,108 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.5

Radius: 14.7

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.87 AU - 3.21 AU

Year: 3477 Days

Day: 11.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,899,335 km

• M1: 182,809 km (0.101 R)
• M2: 669,450 km (0.109 R)
• M3: 1,310,627 km (0.081 R)
• M4: 1,880,595 km (0.081 R)
• M5: 2,559,620 km (0.086 R)
• M6: 3,609,348 km (0.107 R)
• M7: 4,095,541 km (0.119 R)
• M8: 6,129,623 km (0.075 R)
• M9: 7,108,442 km (0.115 R)
• M10: 7,909,090 km (0.099 R)
• M11: 11,057,676 km (0.068 R)
• M12: 12,010,914 km (0.114 R)
• M13: 12,676,325 km (0.091 R)
• M14: 13,148,007 km (0.105 R)
• M15: 14,448,013 km (0.089 R)
• M16: 15,297,130 km (0.029 R)
• M17: 15,783,174 km (0.076 R)
• M18: 17,407,956 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.1

Radius: 13.3

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.82 AU - 3.3 AU

Year: 3511 Days

Day: 6.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,899,335 km

• M1: 165,605 km (0.115 R)
• M2: 826,079 km (0.08 R)
• M3: 1,541,008 km (0.113 R)
• M4: 3,426,090 km (0.102 R)
• M5: 4,456,969 km (0.063 R)
• M6: 5,358,446 km (0.054 R)
• M7: 6,174,503 km (0.108 R)
• M8: 8,054,349 km (0.115 R)
• M9: 8,610,405 km (0.117 R)
• M10: 10,183,725 km (0.1 R)
• M11: 11,862,662 km (0.111 R)
• M12: 13,633,004 km (0.041 R)
• M13: 15,385,692 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.9

Radius: 8

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.63 AU - 5.41 AU

Year: 6304 Days

Day: 6.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,899,335 km

• M1: 102,774 km (0.063 R)
• M2: 578,495 km (0.109 R)
• M3: 1,054,216 km (0.057 R)
• M4: 2,311,736 km (0.115 R)
• M5: 2,563,210 km (0.106 R)
• M6: 2,921,198 km (0.096 R)
• M7: 4,649,352 km (0.108 R)
• M8: 7,703,243 km (0.114 R)
• M9: 10,008,696 km (0.074 R)
• M10: 10,811,737 km (0.079 R)
• M11: 11,886,748 km (0.084 R)
• M12: 12,641,768 km (0.106 R)
• M13: 13,328,422 km (0.117 R)
• M14: 13,630,311 km (0.09 R)
• M15: 14,247,552 km (0.048 R)
• M16: 15,099,362 km (0.051 R)
• M17: 17,377,139 km (0.059 R)
• M18: 17,798,107 km (0.106 R)
• M19: 19,101,703 km (0.119 R)
• M20: 20,668,143 km (0.039 R)
• M21: 24,577,434 km (0.096 R)
• M22: 26,191,745 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869

Radius: 4.7

Gravity: 39.34 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.82 AU - 7.9 AU

Year: 11787 Days

Day: 16 Hours

Environment

Temp: -220 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 57,899,335 km

• M1: 60,737 km (0.106 R)
• M2: 217,216 km (0.034 R)
• M3: 448,943 km (0.114 R)
• M4: 601,832 km (0.107 R)
• M5: 771,476 km (0.083 R)
• M6: 1,369,419 km (0.109 R)
• M7: 1,651,560 km (0.096 R)
• M8: 2,538,377 km (0.096 R)
• M9: 3,844,216 km (0.061 R)
• M10: 4,015,805 km (0.109 R)
• M11: 5,259,263 km (0.103 R)
• M12: 5,470,944 km (0.068 R)
• M13: 8,380,473 km (0.082 R)
• M14: 10,713,900 km (0.097 R)
• M15: 11,757,495 km (0.101 R)
• M16: 14,938,544 km (0.054 R)
• M17: 15,796,787 km (0.114 R)
• M18: 16,016,397 km (0.032 R)
• M19: 17,454,780 km (0.108 R)
• M20: 18,812,979 km (0.088 R)
• M21: 19,225,421 km (0.047 R)
• M22: 19,728,369 km (0.115 R)
• M23: 20,412,480 km (0.102 R)
• M24: 21,827,825 km (0.085 R)
• M25: 25,249,278 km (0.116 R)
• M26: 25,650,201 km (0.067 R)
• M27: 26,055,312 km (0.081 R)
• M28: 29,784,188 km (0.111 R)
• M29: 30,797,414 km (0.094 R)
• M30: 33,370,797 km (0.072 R)
• M31: 34,096,646 km (0.055 R)
• M32: 35,454,695 km (0.08 R)
• M33: 42,365,219 km (0.087 R)
• M34: 45,540,434 km (0.083 R)
• M35: 46,283,636 km (0.095 R)
• M36: 49,963,594 km (0.094 R)
• M37: 53,175,461 km (0.101 R)
• M38: 54,664,708 km (0.073 R)
• M39: 55,167,207 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 11,825 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit