🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.45 AU - 0.67 AU

Year: 271 Days

Day: 22.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.55 AU - 0.61 AU

Year: 285 Days

Day: 21.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.53 AU - 0.77 AU

Year: 338 Days

Day: 20.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,617,402 km

• M1: 378,931 km (0.066 R)
• M2: 472,430 km (0.049 R)

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.5

Radius: 8.8

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.05 AU - 1.27 AU

Year: 807 Days

Day: 10.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,617,402 km

• M1: 110,104 km (0.061 R)
• M2: 541,544 km (0.091 R)
• M3: 980,315 km (0.101 R)
• M4: 1,301,801 km (0.12 R)
• M5: 1,710,352 km (0.054 R)
• M6: 2,097,362 km (0.112 R)
• M7: 2,880,507 km (0.057 R)
• M8: 3,172,821 km (0.037 R)
• M9: 4,928,502 km (0.054 R)
• M10: 5,348,872 km (0.111 R)
• M11: 6,043,604 km (0.078 R)
• M12: 6,463,974 km (0.11 R)
• M13: 6,968,269 km (0.108 R)
• M14: 7,635,176 km (0.047 R)
• M15: 7,913,578 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.7

Radius: 15

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.16 AU - 1.52 AU

Year: 1002 Days

Day: 7.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,617,402 km

• M1: 186,549 km (0.09 R)
• M2: 683,662 km (0.11 R)
• M3: 1,187,358 km (0.117 R)
• M4: 1,958,835 km (0.054 R)
• M5: 2,532,991 km (0.056 R)
• M6: 4,769,330 km (0.115 R)
• M7: 6,159,244 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.2

Radius: 9.7

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.8 AU - 3.32 AU

Year: 3456 Days

Day: 5.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,617,402 km

• M1: 134,488 km (0.064 R)
• M2: 518,506 km (0.096 R)
• M3: 1,074,861 km (0.075 R)
• M4: 1,495,231 km (0.117 R)
• M5: 2,132,817 km (0.076 R)
• M6: 4,592,954 km (0.107 R)
• M7: 6,076,067 km (0.11 R)
• M8: 8,627,309 km (0.108 R)
• M9: 14,305,147 km (0.106 R)
• M10: 15,401,101 km (0.081 R)
• M11: 17,466,898 km (0.067 R)
• M12: 18,294,623 km (0.101 R)
• M13: 19,837,575 km (0.089 R)
• M14: 20,935,025 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.5

Radius: 12.1

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.92 AU - 3.74 AU

Year: 3924 Days

Day: 8.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,617,402 km

• M1: 158,574 km (0.074 R)
• M2: 659,727 km (0.067 R)
• M3: 1,332,618 km (0.1 R)
• M4: 2,170,067 km (0.094 R)
• M5: 3,766,426 km (0.059 R)
• M6: 4,818,847 km (0.12 R)
• M7: 7,431,125 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.4

Radius: 9.3

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.1 AU - 4.88 AU

Year: 6143 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,617,402 km

• M1: 118,182 km (0.061 R)
• M2: 430,842 km (0.056 R)
• M3: 746,493 km (0.108 R)
• M4: 1,136,196 km (0.05 R)
• M5: 1,723,367 km (0.028 R)
• M6: 2,108,881 km (0.102 R)
• M7: 2,418,998 km (0.119 R)
• M8: 3,210,969 km (0.087 R)
• M9: 3,799,188 km (0.068 R)
• M10: 4,142,814 km (0.12 R)
• M11: 4,557,350 km (0.112 R)
• M12: 5,701,624 km (0.109 R)
• M13: 7,762,035 km (0.091 R)
• M14: 9,139,981 km (0.114 R)
• M15: 9,550,029 km (0.116 R)
• M16: 11,788,013 km (0.109 R)
• M17: 12,977,466 km (0.1 R)
• M18: 14,464,169 km (0.079 R)
• M19: 14,797,025 km (0.077 R)
• M20: 15,651,528 km (0.091 R)
• M21: 17,458,670 km (0.038 R)
• M22: 18,542,207 km (0.05 R)
• M23: 19,873,778 km (0.047 R)
• M24: 24,094,682 km (0.076 R)
• M25: 25,678,774 km (0.089 R)
• M26: 26,167,211 km (0.034 R)
• M27: 26,828,134 km (0.085 R)
• M28: 27,246,709 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.5

Radius: 6.9

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.82 AU - 7.96 AU

Year: 12971 Days

Day: 18.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,617,402 km

• M1: 85,869 km (0.089 R)
• M2: 377,286 km (0.114 R)
• M3: 604,375 km (0.042 R)
• M4: 993,779 km (0.11 R)
• M5: 2,185,774 km (0.104 R)
• M6: 6,263,663 km (0.044 R)
• M7: 6,923,689 km (0.09 R)
• M8: 8,252,866 km (0.119 R)
• M9: 8,555,353 km (0.059 R)
• M10: 9,696,336 km (0.078 R)
• M11: 11,566,309 km (0.115 R)
• M12: 12,276,749 km (0.082 R)
• M13: 17,232,927 km (0.075 R)
• M14: 17,942,320 km (0.085 R)
• M15: 19,495,295 km (0.096 R)
• M16: 22,362,488 km (0.054 R)
• M17: 23,549,547 km (0.077 R)
• M18: 26,513,081 km (0.106 R)
• M19: 27,077,215 km (0.082 R)
• M20: 29,115,336 km (0.115 R)
• M21: 32,521,231 km (0.103 R)
• M22: 33,713,077 km (0.105 R)
• M23: 34,821,597 km (0.09 R)
• M24: 35,498,228 km (0.082 R)
• M25: 43,270,287 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.9

Radius: 4.7

Gravity: 15.39 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 9.35 AU - 11.81 AU

Year: 22220 Days

Day: 24.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 94.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,617,402 km

• M1: 86,767 km (0.077 R)
• M2: 247,285 km (0.107 R)
• M3: 1,926,372 km (0.114 R)
• M4: 3,146,492 km (0.068 R)
• M5: 10,624,590 km (0.111 R)
• M6: 12,331,652 km (0.119 R)
• M7: 12,654,633 km (0.09 R)
• M8: 13,864,132 km (0.085 R)
• M9: 17,061,637 km (0.117 R)
• M10: 18,450,653 km (0.092 R)
• M11: 21,451,587 km (0.117 R)
• M12: 24,864,662 km (0.105 R)
• M13: 28,622,561 km (0.103 R)
• M14: 34,367,717 km (0.108 R)
• M15: 36,441,293 km (0.113 R)
• M16: 38,872,109 km (0.082 R)
• M17: 43,456,386 km (0.11 R)
• M18: 48,708,169 km (0.117 R)
• M19: 55,760,063 km (0.102 R)
• M20: 58,434,723 km (0.089 R)
• M21: 61,755,647 km (0.107 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 17,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit