🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.5 AU - 0.74 AU

Year: 320 Days

Day: 42.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,916,569 km

• M1: 178,919 km (0.09 R)
• M2: 223,798 km (0.078 R)

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.2

Radius: 12.8

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.08 AU - 1.16 AU

Year: 778 Days

Day: 12.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,916,569 km

• M1: 159,920 km (0.093 R)
• M2: 694,284 km (0.092 R)
• M3: 1,412,204 km (0.119 R)
• M4: 2,252,495 km (0.097 R)
• M5: 2,777,434 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.5

Radius: 11.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1 AU - 1.4 AU

Year: 862 Days

Day: 9.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,916,569 km

• M1: 141,819 km (0.06 R)
• M2: 758,312 km (0.105 R)
• M3: 1,139,637 km (0.093 R)
• M4: 1,739,823 km (0.106 R)
• M5: 2,465,523 km (0.089 R)
• M6: 2,974,155 km (0.065 R)
• M7: 4,918,479 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.1

Radius: 11.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.53 AU - 4.19 AU

Year: 4040 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,916,569 km

• M1: 145,559 km (0.045 R)
• M2: 611,107 km (0.066 R)
• M3: 1,001,408 km (0.084 R)
• M4: 1,423,125 km (0.033 R)
• M5: 2,210,009 km (0.077 R)
• M6: 2,796,732 km (0.119 R)
• M7: 3,971,075 km (0.045 R)
• M8: 4,912,644 km (0.116 R)
• M9: 5,679,633 km (0.113 R)
• M10: 6,903,343 km (0.033 R)
• M11: 8,029,217 km (0.094 R)
• M12: 8,986,643 km (0.113 R)
• M13: 10,883,395 km (0.083 R)
• M14: 12,671,987 km (0.111 R)
• M15: 13,079,491 km (0.028 R)
• M16: 14,550,338 km (0.104 R)
• M17: 15,249,708 km (0.048 R)
• M18: 16,234,511 km (0.1 R)
• M19: 20,292,203 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.6

Radius: 9.1

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.43 AU - 3.79 AU

Year: 4500 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 72.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,916,569 km

• M1: 113,246 km (0.072 R)
• M2: 400,324 km (0.106 R)
• M3: 830,268 km (0.083 R)
• M4: 1,968,708 km (0.043 R)
• M5: 2,316,523 km (0.11 R)
• M6: 2,809,298 km (0.03 R)
• M7: 7,359,168 km (0.103 R)
• M8: 11,791,753 km (0.084 R)
• M9: 12,114,286 km (0.05 R)
• M10: 14,310,981 km (0.074 R)
• M11: 15,098,763 km (0.11 R)
• M12: 16,558,988 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853

Radius: 10.7

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.48 AU - 5.76 AU

Year: 6514 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,916,569 km

• M1: 133,142 km (0.1 R)
• M2: 485,595 km (0.113 R)
• M3: 1,508,395 km (0.114 R)
• M4: 2,268,951 km (0.104 R)
• M5: 3,490,567 km (0.1 R)
• M6: 4,016,104 km (0.11 R)
• M7: 6,988,165 km (0.108 R)
• M8: 7,398,662 km (0.073 R)
• M9: 7,984,338 km (0.099 R)
• M10: 9,248,440 km (0.079 R)
• M11: 10,496,086 km (0.071 R)
• M12: 11,852,789 km (0.08 R)
• M13: 12,875,141 km (0.079 R)
• M14: 13,839,000 km (0.049 R)
• M15: 14,607,933 km (0.042 R)
• M16: 18,814,775 km (0.109 R)
• M17: 20,733,218 km (0.093 R)
• M18: 23,104,942 km (0.055 R)
• M19: 24,356,179 km (0.058 R)
• M20: 25,828,222 km (0.111 R)
• M21: 26,272,228 km (0.106 R)
• M22: 28,286,713 km (0.068 R)
• M23: 31,700,686 km (0.119 R)
• M24: 35,271,139 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.2

Radius: 3.6

Gravity: 57.96 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.06 AU - 8.64 AU

Year: 13072 Days

Day: 24.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,916,569 km

• M1: 44,879 km (0.093 R)
• M2: 180,565 km (0.074 R)
• M3: 324,777 km (0.083 R)
• M4: 631,602 km (0.119 R)
• M5: 801,396 km (0.04 R)
• M6: 1,001,109 km (0.119 R)
• M7: 1,560,755 km (0.109 R)
• M8: 1,943,725 km (0.091 R)
• M9: 2,284,659 km (0.118 R)
• M10: 3,183,742 km (0.101 R)
• M11: 3,547,564 km (0.081 R)
• M12: 3,852,444 km (0.096 R)
• M13: 4,545,830 km (0.103 R)
• M14: 4,706,947 km (0.031 R)
• M15: 5,109,216 km (0.086 R)
• M16: 5,461,669 km (0.044 R)
• M17: 6,907,233 km (0.076 R)
• M18: 10,304,152 km (0.11 R)
• M19: 11,095,973 km (0.065 R)
• M20: 14,880,500 km (0.072 R)
• M21: 18,286,245 km (0.09 R)
• M22: 19,953,663 km (0.096 R)
• M23: 21,268,778 km (0.092 R)
• M24: 24,363,360 km (0.082 R)
• M25: 25,156,228 km (0.095 R)
• M26: 25,966,301 km (0.098 R)
• M27: 27,003,014 km (0.113 R)
• M28: 29,827,123 km (0.117 R)
• M29: 32,247,018 km (0.083 R)
• M30: 32,365,350 km (0.1 R)
• M31: 33,443,950 km (0.028 R)
• M32: 35,043,900 km (0.057 R)
• M33: 44,104,444 km (0.104 R)
• M34: 45,876,431 km (0.119 R)
• M35: 47,236,276 km (0.112 R)
• M36: 47,389,015 km (0.116 R)
• M37: 49,561,775 km (0.118 R)
• M38: 50,194,574 km (0.036 R)
• M39: 50,513,067 km (0.069 R)
• M40: 52,451,856 km (0.119 R)
• M41: 58,741,100 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.1

Radius: 4

Gravity: 45.76 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.22 AU - 11.58 AU

Year: 20434 Days

Day: 20.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,916,569 km

• M1: 83,027 km (0.099 R)
• M2: 290,220 km (0.098 R)
• M3: 549,174 km (0.071 R)
• M4: 801,246 km (0.109 R)
• M5: 1,167,462 km (0.071 R)
• M6: 1,468,154 km (0.103 R)
• M7: 1,619,397 km (0.094 R)
• M8: 1,914,105 km (0.094 R)
• M9: 2,782,221 km (0.077 R)
• M10: 4,076,991 km (0.113 R)
• M11: 4,275,657 km (0.095 R)
• M12: 7,141,054 km (0.101 R)
• M13: 7,478,697 km (0.062 R)
• M14: 7,776,546 km (0.116 R)
• M15: 9,328,325 km (0.108 R)
• M16: 11,396,964 km (0.083 R)
• M17: 11,791,155 km (0.088 R)
• M18: 12,126,703 km (0.087 R)
• M19: 12,330,904 km (0.058 R)
• M20: 12,957,719 km (0.119 R)
• M21: 16,830,658 km (0.067 R)
• M22: 19,028,400 km (0.119 R)
• M23: 21,311,114 km (0.034 R)
• M24: 25,067,517 km (0.098 R)
• M25: 26,184,115 km (0.091 R)
• M26: 36,195,504 km (0.074 R)
• M27: 38,200,564 km (0.033 R)
• M28: 49,343,661 km (0.117 R)
• M29: 50,916,682 km (0.108 R)
• M30: 55,461,167 km (0.11 R)
• M31: 67,241,999 km (0.112 R)
• M32: 74,278,634 km (0.104 R)
• M33: 76,806,240 km (0.054 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 18,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit