🌌 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 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.44 AU - 0.64 AU

Year: 252 Days

Day: 20 Hours

Environment

Temp: -127 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.5 AU - 0.62 AU

Year: 266 Days

Day: 25 Hours

Environment

Temp: -115 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.52 AU - 0.62 AU

Year: 274 Days

Day: 30.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.62 AU - 0.7 AU

Year: 341 Days

Day: 40.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.8

Radius: 14.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.78 AU - 1.2 AU

Year: 626 Days

Day: 8.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 12,788,114 km

• M1: 181,911 km (0.036 R)
• M2: 317,746 km (0.103 R)
• M3: 484,248 km (0.039 R)
• M4: 652,396 km (0.071 R)
• M5: 753,973 km (0.042 R)
• M6: 899,382 km (0.108 R)
• M7: 1,015,321 km (0.098 R)
• M8: 1,253,032 km (0.108 R)
• M9: 1,356,853 km (0.077 R)
• M10: 1,481,019 km (0.071 R)
• M11: 1,585,737 km (0.102 R)
• M12: 1,687,015 km (0.111 R)
• M13: 1,833,920 km (0.11 R)
• M14: 1,991,746 km (0.059 R)
• M15: 2,128,030 km (0.1 R)
• M16: 2,220,631 km (0.074 R)
• M17: 2,328,192 km (0.11 R)
• M18: 2,513,992 km (0.098 R)
• M19: 2,647,733 km (0.113 R)
• M20: 2,740,633 km (0.055 R)
• M21: 2,834,580 km (0.069 R)
• M22: 3,199,150 km (0.119 R)
• M23: 3,375,526 km (0.078 R)
• M24: 3,492,512 km (0.1 R)
• M25: 3,802,778 km (0.113 R)
• M26: 3,916,323 km (0.077 R)
• M27: 4,022,836 km (0.101 R)
• M28: 4,280,893 km (0.107 R)
• M29: 4,416,279 km (0.109 R)
• M30: 4,604,772 km (0.054 R)
• M31: 4,848,617 km (0.064 R)
• M32: 5,034,268 km (0.101 R)
• M33: 5,213,486 km (0.077 R)
• M34: 5,412,900 km (0.056 R)
• M35: 5,522,854 km (0.079 R)
• M36: 5,624,282 km (0.063 R)
• M37: 5,894,605 km (0.108 R)
• M38: 6,055,123 km (0.115 R)
• M39: 6,255,435 km (0.114 R)
• M40: 6,496,886 km (0.096 R)
• M41: 6,594,274 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.8

Radius: 8.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.05 AU - 1.51 AU

Year: 921 Days

Day: 5.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 12,788,114 km

• M1: 126,859 km (0.104 R)
• M2: 301,141 km (0.113 R)
• M3: 374,294 km (0.086 R)
• M4: 573,708 km (0.111 R)
• M5: 690,693 km (0.096 R)
• M6: 747,989 km (0.105 R)
• M7: 886,517 km (0.093 R)
• M8: 1,100,292 km (0.094 R)
• M9: 1,302,997 km (0.08 R)
• M10: 1,599,949 km (0.092 R)
• M11: 1,762,562 km (0.078 R)
• M12: 1,943,426 km (0.101 R)
• M13: 2,117,259 km (0.049 R)
• M14: 2,269,400 km (0.093 R)
• M15: 2,826,652 km (0.115 R)
• M16: 2,928,378 km (0.047 R)
• M17: 3,061,072 km (0.065 R)
• M18: 3,135,721 km (0.071 R)
• M19: 3,478,898 km (0.105 R)
• M20: 3,533,502 km (0.117 R)
• M21: 3,619,670 km (0.082 R)
• M22: 3,810,258 km (0.066 R)
• M23: 3,930,983 km (0.082 R)
• M24: 4,044,977 km (0.111 R)
• M25: 4,102,273 km (0.05 R)
• M26: 4,192,929 km (0.089 R)
• M27: 4,275,956 km (0.057 R)
• M28: 4,469,087 km (0.105 R)
• M29: 4,605,071 km (0.115 R)
• M30: 5,118,641 km (0.071 R)
• M31: 5,243,106 km (0.072 R)
• M32: 5,296,812 km (0.11 R)
• M33: 5,386,720 km (0.108 R)
• M34: 5,549,782 km (0.036 R)
• M35: 5,816,066 km (0.057 R)
• M36: 6,020,716 km (0.088 R)
• M37: 6,114,663 km (0.094 R)
• M38: 6,180,636 km (0.04 R)
• M39: 6,237,334 km (0.094 R)
• M40: 6,351,477 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.7

Radius: 11.5

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.49 AU - 1.73 AU

Year: 1299 Days

Day: 11.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 12,788,114 km

• M1: 157,078 km (0.116 R)
• M2: 258,954 km (0.109 R)
• M3: 344,973 km (0.045 R)
• M4: 450,439 km (0.068 R)
• M5: 558,449 km (0.035 R)
• M6: 707,748 km (0.08 R)
• M7: 868,266 km (0.084 R)
• M8: 1,246,449 km (0.098 R)
• M9: 1,358,049 km (0.104 R)
• M10: 1,600,398 km (0.101 R)
• M11: 1,758,074 km (0.094 R)
• M12: 1,948,662 km (0.117 R)
• M13: 2,046,648 km (0.104 R)
• M14: 2,311,138 km (0.092 R)
• M15: 2,455,200 km (0.085 R)
• M16: 2,679,447 km (0.114 R)
• M17: 2,873,326 km (0.11 R)
• M18: 3,219,795 km (0.109 R)
• M19: 3,494,307 km (0.103 R)
• M20: 3,597,081 km (0.089 R)
• M21: 3,747,277 km (0.111 R)
• M22: 3,887,899 km (0.087 R)
• M23: 3,970,627 km (0.113 R)
• M24: 4,132,043 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.7

Radius: 11.4

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.01 AU - 3.17 AU

Year: 2650 Days

Day: 14.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 12,788,114 km

• M1: 178,620 km (0.058 R)
• M2: 333,154 km (0.093 R)
• M3: 429,047 km (0.116 R)
• M4: 656,136 km (0.073 R)
• M5: 843,433 km (0.041 R)
• M6: 933,790 km (0.083 R)
• M7: 1,081,443 km (0.113 R)
• M8: 1,180,626 km (0.118 R)
• M9: 1,283,251 km (0.109 R)
• M10: 1,388,867 km (0.091 R)
• M11: 1,634,656 km (0.105 R)
• M12: 1,775,876 km (0.1 R)
• M13: 1,868,029 km (0.118 R)
• M14: 1,948,363 km (0.085 R)
• M15: 2,112,472 km (0.074 R)
• M16: 2,281,368 km (0.081 R)
• M17: 2,632,623 km (0.108 R)
• M18: 2,784,166 km (0.082 R)
• M19: 2,938,701 km (0.102 R)
• M20: 3,016,940 km (0.057 R)
• M21: 3,127,942 km (0.108 R)
• M22: 3,370,141 km (0.109 R)
• M23: 3,468,875 km (0.083 R)
• M24: 3,585,113 km (0.119 R)
• M25: 3,753,710 km (0.073 R)
• M26: 3,856,035 km (0.112 R)
• M27: 4,328,315 km (0.087 R)
• M28: 4,507,982 km (0.099 R)
• M29: 4,782,195 km (0.055 R)
• M30: 5,656,894 km (0.101 R)
• M31: 5,893,259 km (0.1 R)
• M32: 6,274,135 km (0.088 R)
• M33: 6,396,207 km (0.071 R)
• M34: 7,038,879 km (0.106 R)
• M35: 7,165,738 km (0.035 R)
• M36: 7,550,803 km (0.1 R)
• M37: 8,497,757 km (0.114 R)
• M38: 8,951,039 km (0.087 R)
• M39: 9,088,519 km (0.116 R)
• M40: 9,180,672 km (0.097 R)
• M41: 10,309,687 km (0.113 R)
• M42: 10,598,860 km (0.093 R)
• M43: 10,695,799 km (0.106 R)
• M44: 11,209,817 km (0.089 R)
• M45: 11,308,552 km (0.072 R)
• M46: 11,407,735 km (0.117 R)
• M47: 12,084,366 km (0.059 R)
• M48: 12,236,507 km (0.043 R)
• M49: 12,851,355 km (0.042 R)
• M50: 13,240,758 km (0.082 R)
• M51: 13,319,147 km (0.051 R)
• M52: 13,476,375 km (0.065 R)
• M53: 13,581,542 km (0.111 R)
• M54: 13,872,061 km (0.111 R)
• M55: 13,951,647 km (0.103 R)
• M56: 14,137,896 km (0.079 R)
• M57: 14,298,265 km (0.083 R)
• M58: 14,405,527 km (0.107 R)
• M59: 14,513,088 km (0.104 R)
• M60: 14,674,803 km (0.095 R)
• M61: 14,756,035 km (0.054 R)
• M62: 14,837,266 km (0.103 R)
• M63: 15,109,235 km (0.07 R)
• M64: 15,879,515 km (0.111 R)
• M65: 16,101,967 km (0.078 R)
• M66: 16,409,540 km (0.098 R)
• M67: 16,690,784 km (0.102 R)
• M68: 16,775,456 km (0.094 R)
• M69: 16,860,278 km (0.106 R)
• M70: 17,343,779 km (0.069 R)
• M71: 17,745,449 km (0.117 R)
• M72: 17,860,639 km (0.116 R)
• M73: 17,976,279 km (0.11 R)
• M74: 18,063,045 km (0.117 R)
• M75: 18,704,072 km (0.065 R)

Asteroid Belt

Center: 3.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.4

Radius: 8.3

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.39 AU - 5.79 AU

Year: 7301 Days

Day: 7.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 103.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 12,788,114 km

• M1: 113,994 km (0.073 R)
• M2: 182,809 km (0.072 R)
• M3: 236,664 km (0.12 R)
• M4: 294,259 km (0.097 R)
• M5: 353,350 km (0.094 R)
• M6: 528,679 km (0.064 R)
• M7: 617,390 km (0.052 R)
• M8: 677,379 km (0.092 R)
• M9: 1,104,331 km (0.091 R)
• M10: 1,187,059 km (0.087 R)
• M11: 1,376,600 km (0.105 R)
• M12: 1,447,958 km (0.091 R)
• M13: 1,641,537 km (0.028 R)
• M14: 1,717,533 km (0.087 R)
• M15: 2,125,337 km (0.102 R)
• M16: 2,260,873 km (0.039 R)
• M17: 2,313,830 km (0.112 R)
• M18: 2,367,237 km (0.077 R)
• M19: 2,763,671 km (0.11 R)
• M20: 3,276,193 km (0.057 R)
• M21: 3,372,684 km (0.106 R)
• M22: 3,692,524 km (0.104 R)
• M23: 3,830,753 km (0.089 R)
• M24: 3,996,358 km (0.102 R)
• M25: 4,086,565 km (0.049 R)
• M26: 4,295,254 km (0.072 R)
• M27: 4,547,775 km (0.119 R)
• M28: 4,655,486 km (0.114 R)
• M29: 5,206,903 km (0.042 R)
• M30: 5,605,133 km (0.102 R)
• M31: 6,102,097 km (0.08 R)
• M32: 6,161,488 km (0.1 R)
• M33: 6,295,826 km (0.071 R)
• M34: 6,446,322 km (0.054 R)
• M35: 6,521,869 km (0.099 R)
• M36: 7,106,647 km (0.041 R)
• M37: 7,326,257 km (0.032 R)
• M38: 7,660,009 km (0.093 R)
• M39: 8,080,080 km (0.103 R)
• M40: 8,342,325 km (0.07 R)
• M41: 8,607,413 km (0.07 R)
• M42: 9,094,803 km (0.115 R)
• M43: 9,591,318 km (0.026 R)
• M44: 10,079,007 km (0.103 R)
• M45: 10,521,218 km (0.101 R)
• M46: 10,610,528 km (0.081 R)
• M47: 10,717,939 km (0.072 R)
• M48: 11,132,924 km (0.064 R)
• M49: 11,351,636 km (0.081 R)
• M50: 11,904,400 km (0.042 R)
• M51: 12,315,346 km (0.059 R)
• M52: 12,655,082 km (0.094 R)
• M53: 12,712,079 km (0.069 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 19,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit