🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.45 AU - 0.67 AU

Year: 275 Days

Day: 44.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,012,550 km

• M1: 302,038 km (0.088 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: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.1

Radius: 10.8

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.95 AU - 1.41 AU

Year: 841 Days

Day: 9.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,012,550 km

• M1: 134,638 km (0.104 R)
• M2: 489,634 km (0.063 R)
• M3: 867,368 km (0.105 R)
• M4: 1,744,760 km (0.117 R)
• M5: 3,073,787 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.7

Radius: 9.2

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1 AU - 1.62 AU

Year: 984 Days

Day: 11.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,012,550 km

• M1: 115,340 km (0.099 R)
• M2: 455,376 km (0.084 R)
• M3: 1,396,047 km (0.093 R)
• M4: 1,766,152 km (0.108 R)
• M5: 2,955,755 km (0.11 R)
• M6: 3,485,481 km (0.108 R)
• M7: 4,355,692 km (0.043 R)
• M8: 5,500,265 km (0.072 R)
• M9: 6,411,017 km (0.07 R)
• M10: 8,242,095 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 9.4

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.34 AU - 1.38 AU

Year: 1040 Days

Day: 6.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,012,550 km

• M1: 116,986 km (0.12 R)
• M2: 429,944 km (0.07 R)
• M3: 860,786 km (0.086 R)
• M4: 1,334,862 km (0.115 R)
• M5: 1,669,213 km (0.039 R)
• M6: 2,633,671 km (0.119 R)
• M7: 3,068,402 km (0.065 R)
• M8: 3,627,748 km (0.039 R)
• M9: 3,932,180 km (0.107 R)
• M10: 5,205,108 km (0.106 R)
• M11: 5,784,501 km (0.117 R)
• M12: 6,179,290 km (0.06 R)
• M13: 6,949,868 km (0.115 R)
• M14: 7,626,799 km (0.099 R)
• M15: 11,144,593 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.9

Radius: 13.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.37 AU - 1.47 AU

Year: 1110 Days

Day: 14.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,012,550 km

• M1: 167,849 km (0.11 R)
• M2: 719,416 km (0.104 R)
• M3: 1,269,338 km (0.087 R)
• M4: 1,866,383 km (0.064 R)
• M5: 2,899,506 km (0.032 R)
• M6: 4,122,618 km (0.098 R)
• M7: 4,859,836 km (0.073 R)
• M8: 5,539,759 km (0.091 R)
• M9: 6,090,728 km (0.071 R)
• M10: 6,820,616 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.6

Radius: 8.1

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.44 AU - 1.58 AU

Year: 1217 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,012,550 km

• M1: 100,679 km (0.094 R)
• M2: 379,380 km (0.076 R)
• M3: 691,591 km (0.093 R)
• M4: 963,560 km (0.063 R)
• M5: 1,271,133 km (0.063 R)
• M6: 2,409,872 km (0.085 R)
• M7: 2,840,265 km (0.101 R)
• M8: 3,822,974 km (0.032 R)
• M9: 4,588,017 km (0.076 R)
• M10: 4,978,318 km (0.117 R)
• M11: 6,418,646 km (0.106 R)
• M12: 6,765,265 km (0.116 R)
• M13: 7,648,490 km (0.056 R)
• M14: 9,056,954 km (0.108 R)
• M15: 9,792,228 km (0.108 R)
• M16: 10,128,225 km (0.082 R)
• M17: 10,598,710 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.2

Radius: 10.4

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.85 AU - 2.15 AU

Year: 1855 Days

Day: 9.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,012,550 km

• M1: 129,402 km (0.049 R)
• M2: 1,083,537 km (0.108 R)
• M3: 1,919,341 km (0.105 R)
• M4: 2,263,117 km (0.048 R)
• M5: 3,123,903 km (0.081 R)
• M6: 3,780,338 km (0.041 R)
• M7: 4,151,491 km (0.114 R)
• M8: 4,587,718 km (0.118 R)
• M9: 5,413,498 km (0.115 R)
• M10: 5,910,761 km (0.079 R)
• M11: 6,284,457 km (0.109 R)
• M12: 6,621,052 km (0.042 R)
• M13: 7,762,634 km (0.103 R)
• M14: 8,181,059 km (0.096 R)
• M15: 8,614,593 km (0.119 R)
• M16: 9,493,930 km (0.113 R)
• M17: 9,868,972 km (0.104 R)
• M18: 10,685,028 km (0.079 R)
• M19: 11,053,637 km (0.116 R)
• M20: 11,583,962 km (0.091 R)
• M21: 12,818,892 km (0.093 R)
• M22: 16,166,443 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.1

Radius: 10.5

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.83 AU - 4.47 AU

Year: 4575 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,012,550 km

• M1: 130,749 km (0.037 R)
• M2: 482,453 km (0.069 R)
• M3: 876,195 km (0.099 R)
• M4: 1,669,961 km (0.112 R)
• M5: 2,122,345 km (0.085 R)
• M6: 2,655,661 km (0.119 R)
• M7: 3,358,023 km (0.087 R)
• M8: 3,922,606 km (0.103 R)
• M9: 5,701,624 km (0.08 R)
• M10: 7,421,102 km (0.077 R)
• M11: 7,927,939 km (0.06 R)
• M12: 8,930,394 km (0.047 R)
• M13: 9,420,627 km (0.101 R)
• M14: 14,564,400 km (0.116 R)
• M15: 15,129,581 km (0.082 R)
• M16: 16,064,268 km (0.042 R)
• M17: 18,635,108 km (0.095 R)
• M18: 20,470,673 km (0.083 R)
• M19: 22,126,871 km (0.105 R)
• M20: 22,723,318 km (0.108 R)
• M21: 23,101,502 km (0.053 R)
• M22: 26,529,986 km (0.076 R)
• M23: 26,949,458 km (0.104 R)
• M24: 28,496,300 km (0.101 R)
• M25: 29,829,815 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.1

Radius: 6.7

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.4 AU - 9.6 AU

Year: 16257 Days

Day: 21.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,012,550 km

• M1: 83,326 km (0.087 R)
• M2: 517,309 km (0.052 R)
• M3: 866,321 km (0.098 R)
• M4: 1,326,784 km (0.111 R)
• M5: 1,989,502 km (0.104 R)
• M6: 2,290,942 km (0.109 R)
• M7: 2,561,714 km (0.068 R)
• M8: 6,273,237 km (0.103 R)
• M9: 6,650,523 km (0.087 R)
• M10: 7,285,566 km (0.101 R)
• M11: 7,873,785 km (0.084 R)
• M12: 9,433,791 km (0.117 R)
• M13: 11,354,030 km (0.113 R)
• M14: 11,857,726 km (0.07 R)
• M15: 13,273,969 km (0.077 R)
• M16: 14,022,856 km (0.118 R)
• M17: 15,810,101 km (0.08 R)
• M18: 17,595,702 km (0.095 R)
• M19: 18,043,298 km (0.069 R)
• M20: 22,859,153 km (0.093 R)
• M21: 23,571,688 km (0.098 R)
• M22: 25,135,135 km (0.106 R)
• M23: 27,160,092 km (0.113 R)
• M24: 28,161,650 km (0.058 R)
• M25: 30,451,245 km (0.102 R)
• M26: 34,113,850 km (0.107 R)
• M27: 36,470,914 km (0.102 R)
• M28: 36,955,012 km (0.045 R)
• M29: 38,808,530 km (0.101 R)
• M30: 39,313,124 km (0.035 R)
• M31: 43,916,101 km (0.119 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: 466 - 12,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit