🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.61 AU - 0.73 AU

Year: 354 Days

Day: 38.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.5

Radius: 13.1

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.73 AU - 0.83 AU

Year: 445 Days

Day: 9.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,731,915 km

• M1: 162,912 km (0.073 R)
• M2: 613,351 km (0.068 R)
• M3: 1,261,110 km (0.112 R)
• M4: 1,768,995 km (0.078 R)
• M5: 2,667,480 km (0.04 R)
• M6: 3,146,642 km (0.112 R)
• M7: 3,706,886 km (0.116 R)
• M8: 4,202,354 km (0.1 R)
• M9: 4,728,041 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.1

Radius: 9.4

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.81 AU - 1.25 AU

Year: 675 Days

Day: 8.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,731,915 km

• M1: 116,836 km (0.062 R)
• M2: 434,731 km (0.072 R)
• M3: 782,696 km (0.109 R)
• M4: 1,155,943 km (0.087 R)
• M5: 1,474,287 km (0.103 R)
• M6: 1,809,685 km (0.111 R)
• M7: 2,129,675 km (0.096 R)
• M8: 2,805,110 km (0.095 R)
• M9: 3,313,144 km (0.054 R)
• M10: 3,630,441 km (0.086 R)
• M11: 4,085,069 km (0.085 R)
• M12: 4,938,375 km (0.027 R)
• M13: 5,425,466 km (0.105 R)
• M14: 5,736,480 km (0.057 R)
• M15: 6,255,285 km (0.114 R)
• M16: 6,618,210 km (0.099 R)
• M17: 7,210,767 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.5

Radius: 10.6

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.95 AU - 1.21 AU

Year: 725 Days

Day: 9.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,731,915 km

• M1: 132,245 km (0.084 R)
• M2: 499,806 km (0.089 R)
• M3: 1,563,148 km (0.05 R)
• M4: 1,955,095 km (0.088 R)
• M5: 2,421,092 km (0.055 R)
• M6: 3,075,583 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.5

Radius: 13.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.85 AU - 3.09 AU

Year: 3305 Days

Day: 9.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,731,915 km

• M1: 171,290 km (0.113 R)
• M2: 690,095 km (0.11 R)
• M3: 1,184,666 km (0.104 R)
• M4: 1,969,306 km (0.046 R)
• M5: 2,494,544 km (0.109 R)
• M6: 3,335,733 km (0.112 R)
• M7: 4,727,891 km (0.115 R)
• M8: 5,358,147 km (0.103 R)
• M9: 7,623,208 km (0.092 R)
• M10: 8,065,868 km (0.103 R)
• M11: 8,492,372 km (0.094 R)
• M12: 9,213,284 km (0.081 R)
• M13: 11,377,068 km (0.043 R)
• M14: 12,211,076 km (0.033 R)
• M15: 15,008,257 km (0.119 R)
• M16: 18,040,905 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.6

Radius: 12.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.17 AU - 4.61 AU

Year: 5939 Days

Day: 10.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 139.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,731,915 km

• M1: 151,842 km (0.04 R)
• M2: 1,047,335 km (0.079 R)
• M3: 2,140,297 km (0.048 R)
• M4: 2,860,311 km (0.077 R)
• M5: 3,948,337 km (0.094 R)
• M6: 4,492,125 km (0.11 R)
• M7: 5,482,463 km (0.115 R)
• M8: 6,161,039 km (0.113 R)
• M9: 7,054,886 km (0.118 R)
• M10: 7,789,112 km (0.106 R)
• M11: 8,834,203 km (0.09 R)
• M12: 10,510,447 km (0.109 R)
• M13: 14,747,358 km (0.102 R)
• M14: 15,836,131 km (0.101 R)
• M15: 17,212,581 km (0.113 R)
• M16: 19,296,929 km (0.063 R)
• M17: 21,203,553 km (0.079 R)
• M18: 22,167,712 km (0.083 R)
• M19: 24,705,640 km (0.106 R)

Asteroid Belt

Center: 5.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.5

Radius: 5.3

Gravity: 15.01 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.53 AU - 7.41 AU

Year: 10626 Days

Day: 23.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 30,731,915 km

• M1: 67,618 km (0.086 R)
• M2: 487,240 km (0.036 R)
• M3: 712,385 km (0.106 R)
• M4: 881,879 km (0.056 R)
• M5: 1,047,185 km (0.092 R)
• M6: 1,221,915 km (0.059 R)
• M7: 1,416,243 km (0.072 R)
• M8: 1,806,544 km (0.08 R)
• M9: 2,484,821 km (0.118 R)
• M10: 2,987,320 km (0.05 R)
• M11: 3,296,987 km (0.069 R)
• M12: 3,603,364 km (0.111 R)
• M13: 4,245,887 km (0.1 R)
• M14: 4,753,622 km (0.064 R)
• M15: 5,991,694 km (0.095 R)
• M16: 6,376,460 km (0.054 R)
• M17: 7,792,553 km (0.118 R)
• M18: 8,683,259 km (0.046 R)
• M19: 10,315,521 km (0.097 R)
• M20: 11,125,594 km (0.097 R)
• M21: 13,276,811 km (0.079 R)
• M22: 14,730,005 km (0.071 R)
• M23: 15,236,992 km (0.066 R)
• M24: 16,487,929 km (0.117 R)
• M25: 19,720,590 km (0.099 R)
• M26: 20,103,859 km (0.054 R)
• M27: 21,931,646 km (0.115 R)
• M28: 22,426,067 km (0.054 R)
• M29: 22,759,820 km (0.041 R)
• M30: 24,654,926 km (0.105 R)
• M31: 24,832,199 km (0.05 R)
• M32: 25,459,613 km (0.081 R)
• M33: 28,074,883 km (0.071 R)
• M34: 36,293,640 km (0.115 R)
• M35: 37,802,933 km (0.079 R)
• M36: 39,717,337 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60

Radius: 3.9

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.71 AU - 10.23 AU

Year: 17346 Days

Day: 15.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,731,915 km

• M1: 48,470 km (0.068 R)
• M2: 328,667 km (0.114 R)
• M3: 600,336 km (0.053 R)
• M4: 893,698 km (0.118 R)
• M5: 1,602,642 km (0.108 R)
• M6: 3,153,523 km (0.098 R)
• M7: 3,930,086 km (0.074 R)
• M8: 6,382,294 km (0.099 R)
• M9: 8,869,807 km (0.101 R)
• M10: 9,527,140 km (0.071 R)
• M11: 13,044,934 km (0.052 R)
• M12: 14,891,122 km (0.092 R)
• M13: 16,597,734 km (0.11 R)
• M14: 16,719,956 km (0.064 R)
• M15: 25,452,432 km (0.101 R)
• M16: 26,689,457 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 19,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit