🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.9

Radius: 9.6

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.4 AU - 0.66 AU

Year: 262 Days

Day: 8.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,076,718 km

• M1: 119,379 km (0.055 R)
• M2: 448,345 km (0.072 R)
• M3: 1,012,030 km (0.093 R)
• M4: 1,326,933 km (0.032 R)
• M5: 2,135,510 km (0.104 R)
• M6: 2,719,540 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.4

Radius: 10.9

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.55 AU - 0.61 AU

Year: 300 Days

Day: 6 Hours

Environment

Temp: -151 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,076,718 km

• M1: 135,536 km (0.081 R)
• M2: 493,972 km (0.115 R)
• M3: 887,415 km (0.079 R)
• M4: 1,396,347 km (0.064 R)
• M5: 1,858,006 km (0.066 R)
• M6: 2,403,290 km (0.046 R)
• M7: 2,827,549 km (0.115 R)
• M8: 3,376,574 km (0.099 R)
• M9: 3,758,048 km (0.092 R)
• M10: 4,193,228 km (0.11 R)
• M11: 4,581,435 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.7

Radius: 14.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.84 AU - 1.2 AU

Year: 699 Days

Day: 7.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,076,718 km

• M1: 190,887 km (0.105 R)
• M2: 713,133 km (0.109 R)
• M3: 1,528,142 km (0.11 R)
• M4: 2,044,105 km (0.111 R)
• M5: 4,648,155 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.8

Radius: 13.6

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.75 AU - 2.83 AU

Year: 2350 Days

Day: 11.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,076,718 km

• M1: 169,195 km (0.07 R)
• M2: 764,296 km (0.109 R)
• M3: 1,243,458 km (0.12 R)
• M4: 1,696,440 km (0.093 R)
• M5: 2,413,163 km (0.109 R)
• M6: 2,937,953 km (0.067 R)
• M7: 3,570,153 km (0.034 R)
• M8: 4,274,161 km (0.06 R)
• M9: 4,890,803 km (0.075 R)
• M10: 5,587,630 km (0.116 R)
• M11: 7,004,023 km (0.107 R)
• M12: 7,945,442 km (0.078 R)
• M13: 8,647,804 km (0.094 R)
• M14: 9,391,006 km (0.08 R)
• M15: 10,080,054 km (0.093 R)
• M16: 10,769,102 km (0.025 R)
• M17: 11,384,398 km (0.118 R)
• M18: 11,950,925 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.5

Radius: 9.7

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.16 AU - 3.48 AU

Year: 4103 Days

Day: 8.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,076,718 km

• M1: 120,725 km (0.101 R)
• M2: 444,754 km (0.057 R)
• M3: 750,533 km (0.111 R)
• M4: 1,144,723 km (0.098 R)
• M5: 1,599,052 km (0.063 R)
• M6: 2,604,050 km (0.096 R)
• M7: 3,270,509 km (0.103 R)
• M8: 4,367,959 km (0.094 R)
• M9: 4,706,050 km (0.078 R)
• M10: 5,359,045 km (0.038 R)
• M11: 5,827,136 km (0.101 R)
• M12: 6,154,157 km (0.092 R)
• M13: 7,459,847 km (0.066 R)
• M14: 8,834,801 km (0.046 R)
• M15: 10,097,407 km (0.057 R)
• M16: 10,935,006 km (0.025 R)
• M17: 11,434,064 km (0.114 R)
• M18: 15,056,577 km (0.043 R)
• M19: 17,293,514 km (0.064 R)
• M20: 18,843,348 km (0.115 R)
• M21: 20,546,220 km (0.057 R)
• M22: 21,823,786 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.7

Radius: 6.2

Gravity: 19.16 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.93 AU - 9.15 AU

Year: 18435 Days

Day: 21.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,076,718 km

• M1: 77,193 km (0.104 R)
• M2: 321,037 km (0.054 R)
• M3: 514,467 km (0.101 R)
• M4: 1,766,601 km (0.088 R)
• M5: 2,609,136 km (0.095 R)
• M6: 4,352,101 km (0.113 R)
• M7: 4,692,137 km (0.112 R)
• M8: 6,664,735 km (0.108 R)
• M9: 6,933,562 km (0.046 R)
• M10: 7,163,195 km (0.116 R)
• M11: 7,833,094 km (0.115 R)
• M12: 9,241,708 km (0.086 R)
• M13: 9,576,208 km (0.067 R)
• M14: 10,328,835 km (0.113 R)
• M15: 10,628,630 km (0.117 R)
• M16: 11,498,840 km (0.105 R)
• M17: 12,016,898 km (0.118 R)
• M18: 12,281,836 km (0.113 R)
• M19: 13,099,687 km (0.103 R)
• M20: 15,071,985 km (0.045 R)
• M21: 15,929,331 km (0.057 R)
• M22: 18,873,567 km (0.116 R)
• M23: 19,868,991 km (0.096 R)
• M24: 25,267,828 km (0.078 R)
• M25: 32,583,015 km (0.072 R)
• M26: 33,098,379 km (0.063 R)
• M27: 33,881,375 km (0.087 R)
• M28: 39,858,707 km (0.047 R)
• M29: 40,893,924 km (0.103 R)
• M30: 41,493,363 km (0.102 R)
• M31: 43,637,848 km (0.113 R)
• M32: 44,263,766 km (0.109 R)
• M33: 54,747,884 km (0.118 R)
• M34: 55,293,318 km (0.116 R)
• M35: 62,519,942 km (0.111 R)
• M36: 63,916,289 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.7

Radius: 3.3

Gravity: 67.92 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.86 AU - 10.7 AU

Year: 22355 Days

Day: 16.4 Hours

Environment

Temp: -245 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 84,076,718 km

• M1: 41,139 km (0.088 R)
• M2: 172,187 km (0.03 R)
• M3: 385,215 km (0.078 R)
• M4: 590,612 km (0.078 R)
• M5: 733,628 km (0.111 R)
• M6: 853,157 km (0.102 R)
• M7: 1,401,882 km (0.077 R)
• M8: 1,788,742 km (0.115 R)
• M9: 2,309,941 km (0.094 R)
• M10: 4,762,299 km (0.119 R)
• M11: 4,949,595 km (0.073 R)
• M12: 5,141,828 km (0.093 R)
• M13: 6,356,414 km (0.03 R)
• M14: 7,956,961 km (0.083 R)
• M15: 8,599,933 km (0.114 R)
• M16: 15,037,578 km (0.094 R)
• M17: 15,768,214 km (0.08 R)
• M18: 17,476,322 km (0.048 R)
• M19: 17,832,066 km (0.118 R)
• M20: 18,374,807 km (0.09 R)
• M21: 22,907,024 km (0.06 R)
• M22: 23,225,967 km (0.088 R)
• M23: 25,202,903 km (0.083 R)
• M24: 26,464,611 km (0.087 R)
• M25: 27,408,125 km (0.051 R)
• M26: 28,373,929 km (0.084 R)
• M27: 28,865,208 km (0.107 R)
• M28: 33,408,645 km (0.084 R)
• M29: 35,069,930 km (0.06 R)
• M30: 35,777,976 km (0.105 R)
• M31: 40,382,300 km (0.061 R)
• M32: 42,265,587 km (0.081 R)
• M33: 44,206,620 km (0.119 R)
• M34: 45,868,951 km (0.112 R)
• M35: 46,886,067 km (0.1 R)
• M36: 49,494,456 km (0.105 R)
• M37: 53,306,209 km (0.118 R)
• M38: 54,998,012 km (0.102 R)
• M39: 55,569,775 km (0.107 R)
• M40: 58,290,661 km (0.118 R)
• M41: 64,628,823 km (0.074 R)
• M42: 66,335,885 km (0.104 R)
• M43: 70,734,511 km (0.039 R)
• M44: 71,863,825 km (0.058 R)
• M45: 72,547,188 km (0.077 R)
• M46: 82,324,307 km (0.098 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 13,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit