🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.55 AU - 0.57 AU

Year: 156 Days

Day: 15.7 Hours

Environment

Temp: 185 °C

Axial Tilt: 44 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 105,752,501 km

• M1: 389,702 km (0.047 R)
• M2: 497,862 km (0.03 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.91 AU - 1.29 AU

Year: 430 Days

Day: 45 Hours

Environment

Temp: 18 °C

Axial Tilt: 9.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.24 AU - 2.06 AU

Year: 790 Days

Day: 39 Hours

Environment

Temp: -51 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,752,501 km

• M1: 391,946 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.97 AU - 1.99 AU

Year: 1039 Days

Day: 27.4 Hours

Environment

Temp: -68 °C

Axial Tilt: 43.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,752,501 km

• M1: 879,785 km (0.092 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.66 AU - 4.12 AU

Year: 2327 Days

Day: 20.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.1

Radius: 8.2

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 10.18 AU - 11.38 AU

Year: 13194 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 105,752,501 km

• M1: 102,325 km (0.111 R)
• M2: 389,254 km (0.118 R)
• M3: 713,731 km (0.107 R)
• M4: 1,622,389 km (0.071 R)
• M5: 2,360,056 km (0.115 R)
• M6: 3,483,686 km (0.057 R)
• M7: 4,061,433 km (0.072 R)
• M8: 4,733,725 km (0.09 R)
• M9: 5,233,083 km (0.043 R)
• M10: 7,994,959 km (0.089 R)
• M11: 9,249,188 km (0.062 R)
• M12: 9,556,312 km (0.074 R)
• M13: 14,535,827 km (0.088 R)
• M14: 14,881,547 km (0.083 R)
• M15: 16,025,373 km (0.092 R)
• M16: 16,394,431 km (0.097 R)
• M17: 17,149,750 km (0.081 R)
• M18: 19,388,183 km (0.064 R)
• M19: 20,061,822 km (0.083 R)
• M20: 20,404,551 km (0.057 R)
• M21: 24,925,100 km (0.108 R)
• M22: 26,947,812 km (0.105 R)
• M23: 31,316,968 km (0.089 R)
• M24: 35,135,154 km (0.116 R)
• M25: 36,135,964 km (0.074 R)
• M26: 41,843,721 km (0.058 R)
• M27: 42,826,430 km (0.042 R)
• M28: 48,124,438 km (0.088 R)
• M29: 56,354,116 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.9

Radius: 10.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 8.69 AU - 13.43 AU

Year: 13712 Days

Day: 7 Hours

Environment

Temp: -180 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 105,752,501 km

• M1: 131,945 km (0.102 R)
• M2: 530,624 km (0.101 R)
• M3: 879,037 km (0.075 R)
• M4: 1,329,775 km (0.104 R)
• M5: 1,787,545 km (0.105 R)
• M6: 2,616,467 km (0.071 R)
• M7: 3,875,333 km (0.093 R)
• M8: 5,688,160 km (0.117 R)
• M9: 6,692,111 km (0.088 R)
• M10: 7,199,398 km (0.11 R)
• M11: 8,209,482 km (0.102 R)
• M12: 9,715,035 km (0.063 R)
• M13: 11,396,964 km (0.108 R)
• M14: 16,275,949 km (0.081 R)
• M15: 16,796,699 km (0.093 R)
• M16: 21,371,253 km (0.041 R)
• M17: 26,090,916 km (0.092 R)
• M18: 28,270,706 km (0.054 R)
• M19: 31,864,945 km (0.117 R)
• M20: 36,744,528 km (0.104 R)
• M21: 37,867,559 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.4

Radius: 8.7

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 10.14 AU - 13.74 AU

Year: 15380 Days

Day: 11.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 105,752,501 km

• M1: 152,889 km (0.084 R)
• M2: 441,015 km (0.093 R)
• M3: 929,152 km (0.094 R)
• M4: 2,080,158 km (0.107 R)
• M5: 2,408,077 km (0.09 R)
• M6: 3,221,889 km (0.103 R)
• M7: 3,634,630 km (0.115 R)
• M8: 5,161,127 km (0.107 R)
• M9: 5,572,670 km (0.06 R)
• M10: 6,293,283 km (0.087 R)
• M11: 6,939,995 km (0.101 R)
• M12: 8,416,376 km (0.047 R)
• M13: 8,987,391 km (0.075 R)
• M14: 9,418,682 km (0.069 R)
• M15: 10,557,571 km (0.114 R)
• M16: 14,670,465 km (0.05 R)
• M17: 15,420,848 km (0.107 R)
• M18: 16,998,357 km (0.067 R)
• M19: 17,658,533 km (0.116 R)
• M20: 18,164,622 km (0.086 R)
• M21: 20,378,820 km (0.071 R)
• M22: 25,335,447 km (0.04 R)
• M23: 28,665,495 km (0.103 R)
• M24: 30,676,390 km (0.115 R)
• M25: 32,401,552 km (0.111 R)
• M26: 33,931,041 km (0.097 R)
• M27: 40,240,780 km (0.116 R)
• M28: 60,857,461 km (0.118 R)
• M29: 61,818,627 km (0.07 R)
• M30: 64,166,715 km (0.111 R)
• M31: 68,832,374 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820

Radius: 3.9

Gravity: 53.91 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 17.63 AU - 19.61 AU

Year: 29952 Days

Day: 15.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 105,752,501 km

• M1: 62,532 km (0.05 R)
• M2: 185,352 km (0.072 R)
• M3: 314,455 km (0.106 R)
• M4: 549,772 km (0.096 R)
• M5: 796,609 km (0.077 R)
• M6: 945,907 km (0.047 R)
• M7: 1,402,929 km (0.087 R)
• M8: 1,949,559 km (0.097 R)
• M9: 2,931,071 km (0.078 R)
• M10: 3,881,766 km (0.088 R)
• M11: 4,314,103 km (0.05 R)
• M12: 5,667,515 km (0.061 R)
• M13: 7,018,534 km (0.078 R)
• M14: 10,607,985 km (0.073 R)
• M15: 11,885,252 km (0.084 R)
• M16: 12,182,353 km (0.089 R)
• M17: 13,824,190 km (0.084 R)
• M18: 14,070,278 km (0.036 R)
• M19: 14,319,209 km (0.044 R)
• M20: 15,083,505 km (0.083 R)
• M21: 15,874,578 km (0.077 R)
• M22: 19,316,675 km (0.088 R)
• M23: 19,830,993 km (0.113 R)
• M24: 22,090,669 km (0.072 R)
• M25: 22,539,762 km (0.109 R)
• M26: 24,278,089 km (0.078 R)
• M27: 24,756,204 km (0.108 R)
• M28: 30,025,489 km (0.108 R)
• M29: 30,162,521 km (0.068 R)
• M30: 30,993,836 km (0.116 R)
• M31: 38,201,761 km (0.09 R)
• M32: 58,543,780 km (0.095 R)
• M33: 62,923,707 km (0.048 R)
• M34: 65,193,406 km (0.06 R)
• M35: 69,895,267 km (0.069 R)
• M36: 75,322,677 km (0.088 R)
• M37: 85,346,782 km (0.096 R)
• M38: 87,564,720 km (0.093 R)
• M39: 88,125,114 km (0.089 R)
• M40: 95,333,188 km (0.065 R)
• M41: 97,720,172 km (0.057 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: 439 - 13,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit