🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.39 AU - 0.61 AU

Year: 124 Days

Day: 36.2 Hours

Environment

Temp: 218 °C

Axial Tilt: 1.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.01 AU - 2.23 AU

Year: 1085 Days

Day: 33.4 Hours

Environment

Temp: -63 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.74 AU - 2.84 AU

Year: 1218 Days

Day: 25 Hours

Environment

Temp: -62 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491

Radius: 12.8

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.55 AU - 7.35 AU

Year: 5757 Days

Day: 14.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,720,023 km

• M1: 164,707 km (0.101 R)
• M2: 835,504 km (0.112 R)
• M3: 1,779,467 km (0.095 R)
• M4: 3,917,071 km (0.071 R)
• M5: 5,018,560 km (0.084 R)
• M6: 5,920,485 km (0.092 R)
• M7: 10,287,397 km (0.066 R)
• M8: 10,727,813 km (0.035 R)
• M9: 11,693,467 km (0.12 R)
• M10: 12,369,051 km (0.094 R)
• M11: 13,172,691 km (0.095 R)
• M12: 14,172,005 km (0.028 R)
• M13: 18,875,511 km (0.115 R)
• M14: 20,696,417 km (0.111 R)
• M15: 22,484,410 km (0.091 R)
• M16: 23,453,805 km (0.102 R)
• M17: 25,237,011 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.4

Radius: 10.1

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.66 AU - 9.96 AU

Year: 8419 Days

Day: 6.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 115.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,720,023 km

• M1: 134,638 km (0.077 R)
• M2: 515,514 km (0.063 R)
• M3: 1,242,560 km (0.036 R)
• M4: 1,837,810 km (0.081 R)
• M5: 2,176,200 km (0.104 R)
• M6: 2,499,481 km (0.115 R)
• M7: 2,938,551 km (0.106 R)
• M8: 3,266,918 km (0.115 R)
• M9: 4,265,634 km (0.105 R)
• M10: 4,895,740 km (0.112 R)
• M11: 5,424,120 km (0.098 R)
• M12: 6,024,755 km (0.118 R)
• M13: 6,413,111 km (0.108 R)
• M14: 7,518,041 km (0.055 R)
• M15: 8,265,133 km (0.05 R)
• M16: 8,834,801 km (0.048 R)
• M17: 9,666,715 km (0.086 R)
• M18: 11,115,571 km (0.104 R)
• M19: 12,307,566 km (0.094 R)
• M20: 14,006,400 km (0.083 R)
• M21: 15,007,958 km (0.074 R)
• M22: 16,326,214 km (0.052 R)
• M23: 20,902,712 km (0.11 R)
• M24: 25,256,459 km (0.115 R)
• M25: 27,212,750 km (0.057 R)
• M26: 27,596,469 km (0.092 R)
• M27: 29,873,648 km (0.069 R)
• M28: 38,889,762 km (0.107 R)
• M29: 41,492,465 km (0.067 R)
• M30: 42,256,911 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.2

Radius: 8.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 12.35 AU - 13.65 AU

Year: 16474 Days

Day: 14.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,720,023 km

• M1: 150,645 km (0.08 R)
• M2: 460,462 km (0.068 R)
• M3: 830,717 km (0.032 R)
• M4: 1,411,456 km (0.071 R)
• M5: 2,493,348 km (0.086 R)
• M6: 3,645,551 km (0.055 R)
• M7: 4,252,020 km (0.108 R)
• M8: 8,245,984 km (0.091 R)
• M9: 9,142,225 km (0.066 R)
• M10: 11,408,633 km (0.079 R)
• M11: 12,702,206 km (0.11 R)
• M12: 14,221,970 km (0.115 R)
• M13: 15,369,236 km (0.074 R)
• M14: 16,431,830 km (0.094 R)
• M15: 18,466,810 km (0.118 R)
• M16: 23,030,443 km (0.114 R)
• M17: 24,704,592 km (0.103 R)
• M18: 25,571,512 km (0.118 R)
• M19: 34,070,167 km (0.117 R)
• M20: 39,014,676 km (0.073 R)
• M21: 44,699,694 km (0.086 R)
• M22: 50,759,006 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.2

Radius: 6.7

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 10.89 AU - 15.61 AU

Year: 16951 Days

Day: 17.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,720,023 km

• M1: 84,523 km (0.109 R)
• M2: 445,353 km (0.077 R)
• M3: 726,597 km (0.077 R)
• M4: 1,238,820 km (0.099 R)
• M5: 1,810,583 km (0.119 R)
• M6: 2,023,910 km (0.07 R)
• M7: 3,152,476 km (0.114 R)
• M8: 4,683,311 km (0.09 R)
• M9: 7,659,561 km (0.041 R)
• M10: 15,756,695 km (0.074 R)
• M11: 18,757,329 km (0.059 R)
• M12: 24,336,282 km (0.115 R)
• M13: 32,111,781 km (0.112 R)
• M14: 34,191,940 km (0.119 R)
• M15: 36,883,505 km (0.097 R)
• M16: 43,706,514 km (0.114 R)
• M17: 44,149,623 km (0.112 R)
• M18: 59,600,540 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.6

Radius: 5

Gravity: 27.54 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 10.68 AU - 16.12 AU

Year: 17240 Days

Day: 24.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 43,720,023 km

• M1: 63,579 km (0.07 R)
• M2: 239,506 km (0.116 R)
• M3: 656,435 km (0.113 R)
• M4: 890,556 km (0.117 R)
• M5: 1,260,512 km (0.105 R)
• M6: 1,608,925 km (0.088 R)
• M7: 1,905,877 km (0.109 R)
• M8: 2,386,535 km (0.065 R)
• M9: 2,749,310 km (0.06 R)
• M10: 4,185,300 km (0.101 R)
• M11: 5,319,850 km (0.057 R)
• M12: 5,700,576 km (0.119 R)
• M13: 6,140,394 km (0.099 R)
• M14: 7,690,228 km (0.115 R)
• M15: 8,326,917 km (0.087 R)
• M16: 9,593,711 km (0.069 R)
• M17: 11,289,254 km (0.105 R)
• M18: 14,960,834 km (0.055 R)
• M19: 15,564,761 km (0.1 R)
• M20: 16,421,358 km (0.072 R)
• M21: 18,399,042 km (0.076 R)
• M22: 20,993,668 km (0.063 R)
• M23: 21,181,114 km (0.114 R)
• M24: 28,125,896 km (0.098 R)
• M25: 28,468,176 km (0.06 R)
• M26: 30,700,475 km (0.107 R)
• M27: 38,092,704 km (0.089 R)
• M28: 41,090,047 km (0.078 R)
• M29: 41,678,266 km (0.103 R)
• M30: 44,394,814 km (0.077 R)
• M31: 49,345,905 km (0.085 R)
• M32: 50,680,916 km (0.109 R)
• M33: 54,652,590 km (0.077 R)
• M34: 55,185,458 km (0.102 R)
• M35: 57,351,635 km (0.112 R)
• M36: 57,718,150 km (0.108 R)
• M37: 57,901,856 km (0.111 R)
• M38: 60,516,527 km (0.045 R)
• M39: 63,208,691 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143

Radius: 5.1

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 14.26 AU - 14.4 AU

Year: 19065 Days

Day: 21 Hours

Environment

Temp: -185 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,720,023 km

• M1: 81,830 km (0.082 R)
• M2: 309,668 km (0.069 R)
• M3: 2,256,833 km (0.119 R)
• M4: 3,391,085 km (0.116 R)
• M5: 6,526,207 km (0.058 R)
• M6: 11,188,874 km (0.11 R)
• M7: 12,786,429 km (0.063 R)
• M8: 20,384,954 km (0.075 R)
• M9: 28,416,714 km (0.119 R)
• M10: 29,209,732 km (0.111 R)
• M11: 30,221,762 km (0.111 R)
• M12: 31,889,030 km (0.094 R)
• M13: 33,397,575 km (0.069 R)
• M14: 38,567,378 km (0.09 R)
• M15: 40,402,645 km (0.04 R)

Kuiper Belt

Range: 31.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 14,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit