🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.54 AU - 0.56 AU

Year: 259 Days

Day: 37.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.2

Radius: 8.2

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.83 AU - 0.83 AU

Year: 481 Days

Day: 12 Hours

Environment

Temp: -140 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,524,937 km

• M1: 102,026 km (0.111 R)
• M2: 384,167 km (0.117 R)
• M3: 658,679 km (0.102 R)
• M4: 1,054,515 km (0.091 R)
• M5: 1,520,962 km (0.058 R)
• M6: 1,849,030 km (0.1 R)
• M7: 2,750,806 km (0.115 R)
• M8: 3,207,079 km (0.086 R)
• M9: 3,751,017 km (0.113 R)
• M10: 4,011,916 km (0.026 R)
• M11: 4,298,844 km (0.084 R)
• M12: 4,944,958 km (0.102 R)
• M13: 5,620,542 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.6

Radius: 10.2

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.91 AU - 2.03 AU

Year: 1758 Days

Day: 7.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,524,937 km

• M1: 127,158 km (0.076 R)
• M2: 467,942 km (0.073 R)
• M3: 896,390 km (0.117 R)
• M4: 1,253,181 km (0.094 R)
• M5: 1,605,185 km (0.116 R)
• M6: 2,394,763 km (0.1 R)
• M7: 2,960,691 km (0.093 R)
• M8: 3,425,043 km (0.07 R)
• M9: 3,955,966 km (0.081 R)
• M10: 4,280,743 km (0.107 R)
• M11: 4,833,507 km (0.115 R)
• M12: 5,549,483 km (0.063 R)
• M13: 6,754,344 km (0.115 R)
• M14: 7,766,523 km (0.118 R)
• M15: 8,621,475 km (0.11 R)
• M16: 9,403,124 km (0.107 R)
• M17: 9,776,819 km (0.059 R)
• M18: 10,846,743 km (0.102 R)
• M19: 11,448,426 km (0.102 R)
• M20: 12,072,249 km (0.081 R)
• M21: 14,212,695 km (0.061 R)
• M22: 16,301,530 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.6

Radius: 8.9

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.28 AU - 3.5 AU

Year: 3124 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,524,937 km

• M1: 110,702 km (0.119 R)
• M2: 534,214 km (0.085 R)
• M3: 1,154,148 km (0.117 R)
• M4: 2,280,919 km (0.075 R)
• M5: 3,179,404 km (0.103 R)
• M6: 4,000,097 km (0.093 R)
• M7: 4,373,344 km (0.093 R)
• M8: 4,749,284 km (0.096 R)
• M9: 5,233,083 km (0.104 R)
• M10: 5,913,155 km (0.071 R)
• M11: 6,473,549 km (0.042 R)
• M12: 7,257,142 km (0.092 R)
• M13: 8,015,304 km (0.04 R)
• M14: 8,309,115 km (0.118 R)
• M15: 8,980,959 km (0.032 R)
• M16: 10,022,160 km (0.068 R)
• M17: 11,582,615 km (0.109 R)
• M18: 12,226,784 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.9

Radius: 5.9

Gravity: 24.44 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.4 AU - 10.5 AU

Year: 17024 Days

Day: 21.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,524,937 km

• M1: 73,602 km (0.107 R)
• M2: 357,389 km (0.05 R)
• M3: 1,025,793 km (0.111 R)
• M4: 1,408,464 km (0.081 R)
• M5: 1,790,238 km (0.075 R)
• M6: 2,569,493 km (0.094 R)
• M7: 8,867,264 km (0.1 R)
• M8: 9,525,196 km (0.093 R)
• M9: 10,156,349 km (0.1 R)
• M10: 11,061,566 km (0.073 R)
• M11: 13,170,148 km (0.104 R)
• M12: 15,610,837 km (0.113 R)
• M13: 19,858,519 km (0.104 R)
• M14: 20,135,425 km (0.094 R)
• M15: 20,697,015 km (0.098 R)
• M16: 22,544,250 km (0.057 R)
• M17: 26,119,339 km (0.08 R)
• M18: 31,408,073 km (0.109 R)
• M19: 35,710,957 km (0.095 R)
• M20: 37,508,674 km (0.046 R)
• M21: 41,885,758 km (0.049 R)
• M22: 42,341,284 km (0.062 R)
• M23: 55,927,164 km (0.092 R)
• M24: 65,004,763 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.6

Radius: 7.6

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.09 AU - 9.43 AU

Year: 17916 Days

Day: 20.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,524,937 km

• M1: 121,773 km (0.09 R)
• M2: 391,946 km (0.092 R)
• M3: 793,168 km (0.061 R)
• M4: 1,038,359 km (0.106 R)
• M5: 1,688,511 km (0.075 R)
• M6: 1,988,904 km (0.105 R)
• M7: 2,242,472 km (0.108 R)
• M8: 3,035,490 km (0.07 R)
• M9: 3,373,432 km (0.069 R)
• M10: 4,475,071 km (0.075 R)
• M11: 4,913,991 km (0.04 R)
• M12: 5,455,685 km (0.049 R)
• M13: 6,036,573 km (0.045 R)
• M14: 7,412,874 km (0.078 R)
• M15: 7,692,472 km (0.112 R)
• M16: 8,322,578 km (0.094 R)
• M17: 9,963,817 km (0.027 R)
• M18: 10,830,736 km (0.102 R)
• M19: 11,070,242 km (0.108 R)
• M20: 11,497,793 km (0.09 R)
• M21: 12,714,024 km (0.084 R)
• M22: 16,010,114 km (0.063 R)
• M23: 19,480,485 km (0.06 R)
• M24: 19,924,492 km (0.107 R)
• M25: 20,466,036 km (0.114 R)
• M26: 22,245,951 km (0.043 R)
• M27: 22,536,171 km (0.087 R)
• M28: 26,434,093 km (0.077 R)
• M29: 28,541,778 km (0.06 R)
• M30: 29,114,438 km (0.074 R)
• M31: 29,694,878 km (0.053 R)
• M32: 34,103,677 km (0.094 R)
• M33: 35,533,085 km (0.109 R)
• M34: 52,089,829 km (0.053 R)
• M35: 60,689,612 km (0.111 R)
• M36: 63,171,740 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 17,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit