🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.59 AU - 0.63 AU

Year: 303 Days

Day: 21.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.3

Radius: 13.1

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.62 AU - 0.86 AU

Year: 405 Days

Day: 7.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,195,316 km

• M1: 162,912 km (0.086 R)
• M2: 570,566 km (0.081 R)
• M3: 1,317,508 km (0.094 R)
• M4: 1,959,583 km (0.077 R)
• M5: 2,649,677 km (0.066 R)
• M6: 3,131,532 km (0.086 R)
• M7: 3,659,164 km (0.105 R)
• M8: 4,162,411 km (0.06 R)
• M9: 4,894,992 km (0.066 R)
• M10: 5,325,385 km (0.101 R)

Asteroid Belt

Center: 2.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.9

Radius: 8.1

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.53 AU - 4.07 AU

Year: 4710 Days

Day: 12 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,195,316 km

• M1: 101,427 km (0.097 R)
• M2: 356,492 km (0.087 R)
• M3: 713,133 km (0.11 R)
• M4: 1,035,816 km (0.118 R)
• M5: 1,294,470 km (0.081 R)
• M6: 1,700,180 km (0.091 R)
• M7: 1,972,448 km (0.109 R)
• M8: 2,331,932 km (0.045 R)
• M9: 2,686,179 km (0.114 R)
• M10: 2,988,068 km (0.097 R)
• M11: 4,184,252 km (0.116 R)
• M12: 4,685,705 km (0.07 R)
• M13: 5,150,355 km (0.082 R)
• M14: 5,459,425 km (0.12 R)
• M15: 5,753,534 km (0.075 R)
• M16: 6,143,386 km (0.092 R)
• M17: 7,195,059 km (0.116 R)
• M18: 7,483,933 km (0.051 R)
• M19: 8,327,365 km (0.113 R)
• M20: 8,972,731 km (0.094 R)
• M21: 12,296,047 km (0.075 R)
• M22: 12,756,210 km (0.075 R)
• M23: 13,564,787 km (0.036 R)
• M24: 14,661,339 km (0.053 R)
• M25: 18,068,281 km (0.115 R)
• M26: 18,663,232 km (0.115 R)
• M27: 20,398,567 km (0.11 R)
• M28: 22,510,440 km (0.115 R)
• M29: 22,991,098 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.3

Radius: 10.9

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.04 AU - 5 AU

Year: 5125 Days

Day: 8.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,195,316 km

• M1: 138,976 km (0.077 R)
• M2: 536,608 km (0.098 R)
• M3: 882,478 km (0.11 R)
• M4: 2,120,699 km (0.083 R)
• M5: 2,491,104 km (0.117 R)
• M6: 3,579,129 km (0.052 R)
• M7: 4,012,963 km (0.091 R)
• M8: 5,353,958 km (0.061 R)
• M9: 5,861,544 km (0.1 R)
• M10: 6,767,508 km (0.09 R)
• M11: 8,494,616 km (0.104 R)
• M12: 10,636,109 km (0.114 R)
• M13: 11,439,899 km (0.09 R)
• M14: 17,976,578 km (0.106 R)
• M15: 20,090,994 km (0.033 R)
• M16: 23,135,161 km (0.116 R)
• M17: 23,605,048 km (0.107 R)
• M18: 25,053,006 km (0.043 R)
• M19: 26,559,456 km (0.116 R)
• M20: 31,154,505 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 10.4

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.79 AU - 4.45 AU

Year: 5317 Days

Day: 11.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 114.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,195,316 km

• M1: 129,701 km (0.068 R)
• M2: 454,179 km (0.092 R)
• M3: 875,297 km (0.106 R)
• M4: 1,262,307 km (0.053 R)
• M5: 1,698,085 km (0.107 R)
• M6: 3,052,395 km (0.032 R)
• M7: 3,423,398 km (0.086 R)
• M8: 3,965,092 km (0.086 R)
• M9: 5,970,900 km (0.041 R)
• M10: 7,211,665 km (0.101 R)
• M11: 7,912,082 km (0.115 R)
• M12: 10,016,924 km (0.1 R)
• M13: 11,031,197 km (0.109 R)
• M14: 12,011,213 km (0.093 R)
• M15: 12,367,705 km (0.097 R)
• M16: 17,668,855 km (0.103 R)
• M17: 18,196,935 km (0.04 R)
• M18: 20,415,472 km (0.098 R)
• M19: 23,198,591 km (0.081 R)
• M20: 23,912,023 km (0.036 R)
• M21: 24,314,740 km (0.058 R)
• M22: 30,249,587 km (0.109 R)
• M23: 31,774,438 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.1

Radius: 8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.04 AU - 8.98 AU

Year: 13086 Days

Day: 24.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,195,316 km

• M1: 99,782 km (0.103 R)
• M2: 405,410 km (0.055 R)
• M3: 937,380 km (0.109 R)
• M4: 1,313,021 km (0.026 R)
• M5: 1,973,196 km (0.115 R)
• M6: 2,963,683 km (0.112 R)
• M7: 3,246,872 km (0.097 R)
• M8: 4,023,584 km (0.115 R)
• M9: 4,492,125 km (0.077 R)
• M10: 5,101,736 km (0.092 R)
• M11: 5,881,440 km (0.106 R)
• M12: 6,706,323 km (0.079 R)
• M13: 9,725,358 km (0.114 R)
• M14: 10,225,912 km (0.078 R)
• M15: 12,114,585 km (0.107 R)
• M16: 15,534,243 km (0.116 R)
• M17: 17,042,040 km (0.064 R)
• M18: 21,652,048 km (0.059 R)
• M19: 22,867,680 km (0.106 R)
• M20: 23,902,449 km (0.112 R)
• M21: 24,660,461 km (0.097 R)
• M22: 26,868,077 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252

Radius: 5.9

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.87 AU - 8.47 AU

Year: 14848 Days

Day: 18.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,195,316 km

• M1: 83,476 km (0.113 R)
• M2: 523,144 km (0.094 R)
• M3: 1,766,152 km (0.115 R)
• M4: 2,908,183 km (0.091 R)
• M5: 4,360,778 km (0.078 R)
• M6: 5,923,926 km (0.113 R)
• M7: 7,702,645 km (0.115 R)
• M8: 9,664,770 km (0.085 R)
• M9: 15,380,606 km (0.113 R)
• M10: 16,454,419 km (0.083 R)
• M11: 21,496,616 km (0.088 R)
• M12: 23,180,639 km (0.089 R)
• M13: 24,589,552 km (0.119 R)
• M14: 26,335,658 km (0.106 R)
• M15: 32,824,017 km (0.11 R)
• M16: 33,592,501 km (0.089 R)
• M17: 43,506,651 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.1

Radius: 7.8

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.38 AU - 10.38 AU

Year: 18266 Days

Day: 16.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,195,316 km

• M1: 107,710 km (0.043 R)
• M2: 844,630 km (0.116 R)
• M3: 1,192,295 km (0.032 R)
• M4: 1,709,904 km (0.114 R)
• M5: 3,332,293 km (0.053 R)
• M6: 4,153,136 km (0.103 R)
• M7: 5,505,950 km (0.053 R)
• M8: 6,531,443 km (0.094 R)
• M9: 8,030,115 km (0.115 R)
• M10: 9,197,427 km (0.063 R)
• M11: 10,314,624 km (0.111 R)
• M12: 14,537,023 km (0.086 R)
• M13: 15,075,127 km (0.084 R)
• M14: 17,137,483 km (0.116 R)
• M15: 18,664,878 km (0.095 R)
• M16: 28,508,268 km (0.069 R)
• M17: 29,564,279 km (0.035 R)
• M18: 29,886,214 km (0.098 R)
• M19: 30,536,815 km (0.11 R)
• M20: 36,209,117 km (0.099 R)
• M21: 47,792,929 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 17,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit