🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

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: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.5 AU - 0.61 AU

Year: 259 Days

Day: 28.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.46 AU - 0.72 AU

Year: 288 Days

Day: 22.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.62 AU - 0.66 AU

Year: 326 Days

Day: 36 Hours

Environment

Temp: -131 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.6

Radius: 13.3

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.46 AU - 5.06 AU

Year: 5590 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 120.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,099,244 km

• M1: 192,981 km (0.079 R)
• M2: 625,319 km (0.113 R)
• M3: 1,262,756 km (0.097 R)
• M4: 1,805,347 km (0.096 R)
• M5: 2,467,916 km (0.11 R)
• M6: 3,775,252 km (0.081 R)
• M7: 6,694,804 km (0.096 R)
• M8: 9,326,679 km (0.111 R)
• M9: 10,079,905 km (0.098 R)
• M10: 11,211,912 km (0.044 R)
• M11: 11,707,978 km (0.05 R)
• M12: 12,744,093 km (0.1 R)
• M13: 13,616,249 km (0.089 R)
• M14: 22,008,988 km (0.05 R)
• M15: 24,983,892 km (0.093 R)
• M16: 27,317,170 km (0.054 R)
• M17: 28,582,618 km (0.079 R)
• M18: 29,043,978 km (0.076 R)
• M19: 29,698,169 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.2

Radius: 4.6

Gravity: 34.18 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.23 AU - 10.13 AU

Year: 17685 Days

Day: 20.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,099,244 km

• M1: 59,390 km (0.111 R)
• M2: 232,625 km (0.043 R)
• M3: 837,449 km (0.111 R)
• M4: 1,399,488 km (0.116 R)
• M5: 1,606,083 km (0.099 R)
• M6: 1,832,873 km (0.101 R)
• M7: 3,220,992 km (0.09 R)
• M8: 4,865,521 km (0.095 R)
• M9: 5,117,893 km (0.073 R)
• M10: 6,775,138 km (0.107 R)
• M11: 7,895,327 km (0.119 R)
• M12: 8,043,578 km (0.078 R)
• M13: 8,972,132 km (0.08 R)
• M14: 9,685,714 km (0.033 R)
• M15: 10,318,513 km (0.065 R)
• M16: 10,495,637 km (0.084 R)
• M17: 11,163,143 km (0.108 R)
• M18: 12,784,335 km (0.105 R)
• M19: 15,385,243 km (0.101 R)
• M20: 16,325,017 km (0.112 R)
• M21: 17,302,490 km (0.057 R)
• M22: 18,232,240 km (0.077 R)
• M23: 19,824,560 km (0.115 R)
• M24: 25,047,620 km (0.117 R)
• M25: 26,126,221 km (0.117 R)
• M26: 30,386,319 km (0.107 R)
• M27: 32,237,593 km (0.107 R)
• M28: 34,032,169 km (0.067 R)
• M29: 35,488,056 km (0.106 R)
• M30: 36,709,672 km (0.103 R)
• M31: 42,479,512 km (0.075 R)
• M32: 47,345,632 km (0.087 R)
• M33: 51,358,744 km (0.106 R)
• M34: 53,801,229 km (0.106 R)
• M35: 54,156,374 km (0.091 R)
• M36: 55,411,650 km (0.119 R)
• M37: 57,794,145 km (0.093 R)
• M38: 58,916,429 km (0.105 R)
• M39: 61,591,388 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.4

Radius: 5.9

Gravity: 14.52 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.3 AU - 11.28 AU

Year: 18003 Days

Day: 22.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,099,244 km

• M1: 73,602 km (0.109 R)
• M2: 371,601 km (0.058 R)
• M3: 700,866 km (0.107 R)
• M4: 1,147,565 km (0.04 R)
• M5: 2,055,624 km (0.076 R)
• M6: 2,480,482 km (0.072 R)
• M7: 2,748,562 km (0.108 R)
• M8: 3,755,655 km (0.057 R)
• M9: 4,049,315 km (0.105 R)
• M10: 4,850,861 km (0.058 R)
• M11: 5,199,424 km (0.062 R)
• M12: 5,416,490 km (0.109 R)
• M13: 5,601,991 km (0.098 R)
• M14: 6,848,890 km (0.053 R)
• M15: 11,078,171 km (0.116 R)
• M16: 11,868,197 km (0.105 R)
• M17: 12,760,399 km (0.114 R)
• M18: 13,628,216 km (0.08 R)
• M19: 16,082,818 km (0.093 R)
• M20: 17,094,549 km (0.065 R)
• M21: 17,901,031 km (0.052 R)
• M22: 19,589,841 km (0.113 R)
• M23: 19,939,900 km (0.109 R)
• M24: 24,170,528 km (0.089 R)
• M25: 24,776,399 km (0.111 R)
• M26: 25,808,325 km (0.07 R)
• M27: 26,654,451 km (0.118 R)
• M28: 31,880,952 km (0.079 R)
• M29: 34,861,091 km (0.059 R)
• M30: 42,818,800 km (0.091 R)
• M31: 44,003,316 km (0.104 R)
• M32: 46,592,855 km (0.085 R)
• M33: 52,408,173 km (0.047 R)
• M34: 53,934,072 km (0.101 R)
• M35: 56,014,230 km (0.098 R)
• M36: 58,327,462 km (0.092 R)
• M37: 60,334,018 km (0.109 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 14,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit