🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.49 AU - 0.59 AU

Year: 260 Days

Day: 22.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,356,392 km

• M1: 70,012 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.47 AU - 0.67 AU

Year: 282 Days

Day: 21.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.2

Radius: 14.5

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.03 AU - 1.25 AU

Year: 798 Days

Day: 7.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 145.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,356,392 km

• M1: 180,265 km (0.12 R)
• M2: 821,442 km (0.084 R)
• M3: 1,276,668 km (0.119 R)
• M4: 1,929,513 km (0.1 R)
• M5: 2,670,920 km (0.103 R)
• M6: 3,474,411 km (0.088 R)
• M7: 3,958,060 km (0.101 R)
• M8: 4,473,575 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.2

Radius: 14.9

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.02 AU - 1.5 AU

Year: 928 Days

Day: 9.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,356,392 km

• M1: 187,895 km (0.113 R)
• M2: 895,343 km (0.04 R)
• M3: 1,660,088 km (0.059 R)
• M4: 2,266,258 km (0.089 R)
• M5: 3,291,602 km (0.073 R)
• M6: 4,313,056 km (0.061 R)
• M7: 5,337,802 km (0.104 R)
• M8: 7,367,097 km (0.07 R)
• M9: 7,972,220 km (0.103 R)
• M10: 8,692,683 km (0.1 R)
• M11: 9,340,293 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.5

Radius: 9.8

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.74 AU - 2.06 AU

Year: 1718 Days

Day: 5.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,356,392 km

• M1: 126,709 km (0.072 R)
• M2: 460,612 km (0.076 R)
• M3: 1,248,693 km (0.109 R)
• M4: 1,849,628 km (0.086 R)
• M5: 2,278,824 km (0.067 R)
• M6: 2,773,844 km (0.107 R)
• M7: 3,675,919 km (0.106 R)
• M8: 4,477,614 km (0.07 R)
• M9: 5,644,178 km (0.051 R)
• M10: 6,921,744 km (0.109 R)
• M11: 7,642,806 km (0.056 R)
• M12: 9,234,228 km (0.096 R)
• M13: 9,630,812 km (0.064 R)
• M14: 12,214,965 km (0.088 R)
• M15: 12,612,746 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395

Radius: 13.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.52 AU - 3.52 AU

Year: 3443 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,356,392 km

• M1: 163,062 km (0.1 R)
• M2: 651,798 km (0.113 R)
• M3: 1,397,394 km (0.117 R)
• M4: 1,875,509 km (0.118 R)
• M5: 3,023,672 km (0.11 R)
• M6: 4,466,693 km (0.036 R)
• M7: 7,477,650 km (0.049 R)
• M8: 8,199,310 km (0.053 R)
• M9: 9,070,418 km (0.058 R)
• M10: 9,818,258 km (0.08 R)
• M11: 11,235,548 km (0.059 R)
• M12: 13,227,743 km (0.086 R)
• M13: 14,284,053 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.6

Radius: 8.3

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.4 AU - 4.42 AU

Year: 6075 Days

Day: 13.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,356,392 km

• M1: 103,223 km (0.03 R)
• M2: 382,971 km (0.111 R)
• M3: 978,071 km (0.07 R)
• M4: 1,732,044 km (0.039 R)
• M5: 2,097,661 km (0.106 R)
• M6: 2,392,369 km (0.109 R)
• M7: 2,658,953 km (0.034 R)
• M8: 3,316,734 km (0.041 R)
• M9: 4,729,836 km (0.093 R)
• M10: 6,172,259 km (0.113 R)
• M11: 7,733,163 km (0.054 R)
• M12: 8,853,950 km (0.066 R)
• M13: 9,236,173 km (0.103 R)
• M14: 10,543,359 km (0.093 R)
• M15: 13,353,854 km (0.066 R)
• M16: 14,841,754 km (0.1 R)
• M17: 15,140,202 km (0.066 R)
• M18: 17,341,984 km (0.1 R)
• M19: 18,416,395 km (0.114 R)
• M20: 19,321,463 km (0.091 R)
• M21: 23,239,730 km (0.115 R)
• M22: 24,378,619 km (0.042 R)
• M23: 27,032,485 km (0.114 R)
• M24: 35,179,734 km (0.041 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.9

Radius: 12

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.57 AU - 7.11 AU

Year: 9258 Days

Day: 8.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,356,392 km

• M1: 149,299 km (0.093 R)
• M2: 553,961 km (0.117 R)
• M3: 937,530 km (0.072 R)
• M4: 1,470,098 km (0.058 R)
• M5: 1,861,297 km (0.074 R)
• M6: 2,699,194 km (0.096 R)
• M7: 3,138,414 km (0.108 R)
• M8: 4,811,516 km (0.077 R)
• M9: 5,365,477 km (0.092 R)
• M10: 6,065,296 km (0.053 R)
• M11: 6,675,655 km (0.096 R)
• M12: 8,710,934 km (0.063 R)
• M13: 10,163,679 km (0.102 R)
• M14: 11,341,613 km (0.075 R)
• M15: 12,269,419 km (0.062 R)
• M16: 13,070,815 km (0.106 R)
• M17: 14,152,108 km (0.11 R)
• M18: 15,487,868 km (0.045 R)
• M19: 16,975,618 km (0.082 R)
• M20: 18,704,970 km (0.086 R)
• M21: 19,843,858 km (0.032 R)
• M22: 22,175,940 km (0.107 R)
• M23: 24,062,967 km (0.108 R)
• M24: 25,136,182 km (0.069 R)
• M25: 30,467,252 km (0.057 R)
• M26: 31,090,925 km (0.052 R)
• M27: 32,363,854 km (0.096 R)
• M28: 36,391,028 km (0.058 R)
• M29: 39,131,811 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.8

Radius: 6.5

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.83 AU - 9.91 AU

Year: 20342 Days

Day: 24.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,356,392 km

• M1: 84,523 km (0.088 R)
• M2: 448,494 km (0.083 R)
• M3: 946,207 km (0.119 R)
• M4: 1,157,439 km (0.108 R)
• M5: 1,476,232 km (0.051 R)
• M6: 3,216,504 km (0.113 R)
• M7: 4,590,859 km (0.065 R)
• M8: 5,582,095 km (0.09 R)
• M9: 6,043,006 km (0.101 R)
• M10: 7,040,824 km (0.066 R)
• M11: 7,737,651 km (0.074 R)
• M12: 8,144,108 km (0.034 R)
• M13: 8,521,992 km (0.099 R)
• M14: 10,199,583 km (0.078 R)
• M15: 13,254,222 km (0.107 R)
• M16: 13,601,438 km (0.118 R)
• M17: 14,014,029 km (0.09 R)
• M18: 14,495,884 km (0.089 R)
• M19: 15,176,255 km (0.114 R)
• M20: 16,007,720 km (0.119 R)
• M21: 18,324,991 km (0.118 R)
• M22: 18,611,621 km (0.077 R)
• M23: 21,247,984 km (0.048 R)
• M24: 25,077,839 km (0.07 R)
• M25: 27,621,152 km (0.118 R)
• M26: 33,747,036 km (0.107 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 19,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit