🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.82 AU - 0.98 AU

Year: 325 Days

Day: 43.2 Hours

Environment

Temp: 27 °C

Axial Tilt: 10.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.91 AU - 1.11 AU

Year: 387 Days

Day: 33.4 Hours

Environment

Temp: 21 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.88 AU - 1.36 AU

Year: 451 Days

Day: 17.8 Hours

Environment

Temp: 0 °C

Axial Tilt: 42 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 45,477,994 km

• M1: 83,775 km (0.078 R)
• M2: 230,231 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.96 AU - 3.08 AU

Year: 1523 Days

Day: 16.6 Hours

Environment

Temp: -97 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.94 AU - 4.42 AU

Year: 2688 Days

Day: 26.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.7

Radius: 10.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.13 AU - 4.23 AU

Year: 3254 Days

Day: 11.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 45,477,994 km

• M1: 137,480 km (0.054 R)
• M2: 236,963 km (0.086 R)
• M3: 332,855 km (0.116 R)
• M4: 402,717 km (0.047 R)
• M5: 545,135 km (0.063 R)
• M6: 803,341 km (0.073 R)
• M7: 898,335 km (0.039 R)
• M8: 968,646 km (0.116 R)
• M9: 1,138,290 km (0.099 R)
• M10: 1,432,100 km (0.084 R)
• M11: 1,558,062 km (0.065 R)
• M12: 1,812,677 km (0.1 R)
• M13: 1,968,259 km (0.027 R)
• M14: 2,061,907 km (0.058 R)
• M15: 2,157,201 km (0.09 R)
• M16: 2,441,736 km (0.12 R)
• M17: 2,532,542 km (0.074 R)
• M18: 2,696,950 km (0.076 R)
• M19: 2,843,706 km (0.075 R)
• M20: 3,079,622 km (0.062 R)
• M21: 3,222,189 km (0.079 R)
• M22: 3,299,830 km (0.088 R)
• M23: 3,640,015 km (0.1 R)
• M24: 3,767,473 km (0.07 R)
• M25: 4,098,982 km (0.105 R)
• M26: 4,195,472 km (0.092 R)
• M27: 4,341,629 km (0.091 R)
• M28: 4,739,709 km (0.052 R)
• M29: 4,956,028 km (0.096 R)
• M30: 5,033,071 km (0.116 R)
• M31: 5,517,618 km (0.087 R)
• M32: 5,772,234 km (0.097 R)
• M33: 5,989,749 km (0.046 R)
• M34: 6,140,843 km (0.114 R)
• M35: 6,251,545 km (0.075 R)
• M36: 6,729,511 km (0.042 R)
• M37: 6,800,719 km (0.075 R)
• M38: 7,190,122 km (0.095 R)
• M39: 7,350,791 km (0.087 R)
• M40: 7,424,243 km (0.109 R)
• M41: 7,690,677 km (0.084 R)
• M42: 7,810,206 km (0.064 R)
• M43: 7,945,293 km (0.069 R)
• M44: 8,081,127 km (0.032 R)
• M45: 8,617,137 km (0.077 R)
• M46: 8,803,535 km (0.075 R)
• M47: 8,991,281 km (0.052 R)
• M48: 9,132,950 km (0.086 R)
• M49: 10,014,829 km (0.079 R)
• M50: 10,210,952 km (0.071 R)
• M51: 10,540,516 km (0.105 R)
• M52: 10,823,556 km (0.058 R)
• M53: 10,974,350 km (0.069 R)
• M54: 11,108,988 km (0.111 R)
• M55: 11,447,977 km (0.062 R)
• M56: 11,516,194 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.1

Radius: 10.5

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.64 AU - 6.4 AU

Year: 5625 Days

Day: 7.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 45,477,994 km

• M1: 294,558 km (0.07 R)
• M2: 406,308 km (0.069 R)
• M3: 490,831 km (0.115 R)
• M4: 854,204 km (0.083 R)
• M5: 1,042,398 km (0.033 R)
• M6: 1,149,660 km (0.089 R)
• M7: 1,358,947 km (0.116 R)
• M8: 1,563,447 km (0.09 R)
• M9: 1,833,472 km (0.119 R)
• M10: 2,177,247 km (0.066 R)
• M11: 2,520,724 km (0.111 R)
• M12: 2,667,180 km (0.067 R)
• M13: 2,990,910 km (0.108 R)
• M14: 3,146,193 km (0.076 R)
• M15: 3,349,945 km (0.076 R)
• M16: 3,746,828 km (0.117 R)
• M17: 3,866,357 km (0.109 R)
• M18: 4,109,454 km (0.114 R)
• M19: 4,407,901 km (0.035 R)
• M20: 4,559,743 km (0.098 R)
• M21: 4,973,082 km (0.084 R)
• M22: 5,398,688 km (0.081 R)
• M23: 5,615,904 km (0.102 R)
• M24: 5,947,263 km (0.093 R)
• M25: 6,341,753 km (0.061 R)
• M26: 6,513,491 km (0.065 R)
• M27: 6,744,919 km (0.119 R)
• M28: 7,067,602 km (0.111 R)
• M29: 7,425,290 km (0.095 R)
• M30: 7,667,040 km (0.102 R)
• M31: 8,470,830 km (0.091 R)
• M32: 8,565,376 km (0.082 R)
• M33: 8,723,650 km (0.093 R)
• M34: 9,660,582 km (0.108 R)
• M35: 10,629,228 km (0.099 R)
• M36: 11,176,906 km (0.054 R)
• M37: 11,628,691 km (0.07 R)
• M38: 11,733,859 km (0.107 R)
• M39: 11,909,636 km (0.107 R)
• M40: 12,730,031 km (0.116 R)
• M41: 13,716,330 km (0.089 R)
• M42: 14,840,857 km (0.084 R)
• M43: 14,916,852 km (0.113 R)
• M44: 15,491,159 km (0.078 R)
• M45: 15,645,544 km (0.111 R)
• M46: 16,150,736 km (0.077 R)
• M47: 16,307,365 km (0.076 R)
• M48: 16,385,754 km (0.12 R)
• M49: 16,543,131 km (0.081 R)
• M50: 17,337,196 km (0.058 R)
• M51: 17,457,324 km (0.12 R)
• M52: 17,819,650 km (0.069 R)
• M53: 18,306,441 km (0.088 R)
• M54: 18,592,472 km (0.098 R)
• M55: 19,626,044 km (0.059 R)
• M56: 19,876,770 km (0.107 R)
• M57: 20,002,731 km (0.062 R)
• M58: 20,763,137 km (0.055 R)
• M59: 21,061,435 km (0.118 R)
• M60: 21,791,772 km (0.088 R)
• M61: 22,181,774 km (0.117 R)
• M62: 23,409,972 km (0.095 R)
• M63: 23,987,719 km (0.091 R)
• M64: 24,480,196 km (0.115 R)
• M65: 25,429,693 km (0.09 R)
• M66: 25,703,158 km (0.061 R)
• M67: 25,931,893 km (0.117 R)
• M68: 26,760,666 km (0.065 R)
• M69: 27,317,918 km (0.075 R)
• M70: 28,208,324 km (0.105 R)
• M71: 28,349,694 km (0.05 R)
• M72: 28,965,439 km (0.057 R)
• M73: 29,969,241 km (0.046 R)
• M74: 30,113,603 km (0.063 R)
• M75: 30,644,825 km (0.108 R)
• M76: 30,935,942 km (0.092 R)
• M77: 31,227,957 km (0.038 R)
• M78: 31,374,264 km (0.105 R)
• M79: 32,503,877 km (0.114 R)
• M80: 33,247,678 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.7

Radius: 10

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.82 AU - 9.08 AU

Year: 9354 Days

Day: 5 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 45,477,994 km

• M1: 184,005 km (0.092 R)
• M2: 262,395 km (0.031 R)
• M3: 348,413 km (0.111 R)
• M4: 434,133 km (0.096 R)
• M5: 571,763 km (0.087 R)
• M6: 725,400 km (0.072 R)
• M7: 790,924 km (0.03 R)
• M8: 910,901 km (0.101 R)
• M9: 1,150,557 km (0.091 R)
• M10: 1,248,245 km (0.118 R)
• M11: 2,152,863 km (0.056 R)
• M12: 2,525,661 km (0.08 R)
• M13: 2,654,465 km (0.118 R)
• M14: 2,838,620 km (0.044 R)
• M15: 3,473,064 km (0.118 R)
• M16: 3,559,083 km (0.117 R)
• M17: 3,674,872 km (0.101 R)
• M18: 3,969,879 km (0.115 R)
• M19: 4,614,197 km (0.1 R)
• M20: 4,740,757 km (0.094 R)
• M21: 4,997,167 km (0.096 R)
• M22: 6,311,385 km (0.105 R)
• M23: 6,522,617 km (0.119 R)
• M24: 7,428,133 km (0.079 R)
• M25: 7,876,777 km (0.111 R)
• M26: 8,066,317 km (0.119 R)
• M27: 8,180,760 km (0.064 R)
• M28: 8,527,378 km (0.037 R)
• M29: 8,761,199 km (0.09 R)
• M30: 8,997,115 km (0.082 R)
• M31: 10,166,671 km (0.113 R)
• M32: 10,249,100 km (0.103 R)
• M33: 10,456,143 km (0.101 R)
• M34: 10,622,795 km (0.116 R)
• M35: 11,212,959 km (0.111 R)
• M36: 12,381,169 km (0.069 R)
• M37: 12,779,099 km (0.034 R)
• M38: 13,406,512 km (0.087 R)
• M39: 13,497,019 km (0.084 R)
• M40: 15,159,799 km (0.045 R)
• M41: 15,680,699 km (0.075 R)
• M42: 16,545,674 km (0.075 R)
• M43: 16,740,002 km (0.101 R)
• M44: 18,121,538 km (0.115 R)
• M45: 19,693,213 km (0.104 R)
• M46: 20,365,357 km (0.069 R)
• M47: 20,730,375 km (0.111 R)
• M48: 22,158,437 km (0.119 R)
• M49: 22,265,549 km (0.081 R)
• M50: 22,480,072 km (0.102 R)
• M51: 23,454,403 km (0.1 R)
• M52: 24,387,146 km (0.119 R)
• M53: 25,164,456 km (0.098 R)
• M54: 26,062,642 km (0.075 R)
• M55: 26,402,229 km (0.051 R)
• M56: 26,629,319 km (0.057 R)
• M57: 26,857,156 km (0.1 R)
• M58: 27,890,429 km (0.094 R)
• M59: 28,006,068 km (0.028 R)
• M60: 28,644,851 km (0.098 R)
• M61: 29,053,702 km (0.104 R)
• M62: 29,759,355 km (0.11 R)
• M63: 29,877,537 km (0.06 R)
• M64: 30,292,222 km (0.041 R)
• M65: 30,530,083 km (0.049 R)
• M66: 31,608,085 km (0.112 R)
• M67: 31,728,661 km (0.097 R)
• M68: 31,970,262 km (0.045 R)
• M69: 32,455,108 km (0.035 R)
• M70: 32,698,504 km (0.097 R)
• M71: 34,605,279 km (0.043 R)
• M72: 34,729,594 km (0.073 R)
• M73: 36,232,155 km (0.095 R)
• M74: 36,547,957 km (0.104 R)
• M75: 37,118,523 km (0.075 R)
• M76: 37,373,138 km (0.028 R)
• M77: 38,012,071 km (0.117 R)
• M78: 38,140,276 km (0.03 R)
• M79: 39,106,379 km (0.067 R)
• M80: 39,820,111 km (0.064 R)
• M81: 39,885,186 km (0.118 R)
• M82: 40,211,160 km (0.107 R)
• M83: 41,194,466 km (0.056 R)
• M84: 41,260,290 km (0.104 R)
• M85: 42,384,817 km (0.09 R)
• M86: 42,584,380 km (0.084 R)
• M87: 43,184,717 km (0.077 R)
• M88: 43,385,477 km (0.117 R)
• M89: 44,799,326 km (0.107 R)
• M90: 44,934,862 km (0.118 R)
• M91: 45,342,067 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 10,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit