🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.43 AU - 0.61 AU

Year: 131 Days

Day: 29.8 Hours

Environment

Temp: 284 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.1 AU - 1.38 AU

Year: 483 Days

Day: 46.6 Hours

Environment

Temp: 16 °C

Axial Tilt: 15 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.16 AU - 1.4 AU

Year: 507 Days

Day: 45.6 Hours

Environment

Temp: 6 °C

Axial Tilt: 35.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 45,866,312 km

• M1: 114,442 km (0.116 R)
• M2: 629,508 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.77 AU - 2.61 AU

Year: 1134 Days

Day: 18 Hours

Environment

Temp: -71 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,866,312 km

• M1: 22,290 km (0.1 R)

Asteroid Belt

Center: 5.01 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.5

Radius: 13

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.6 AU - 8.06 AU

Year: 7665 Days

Day: 9.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,866,312 km

• M1: 161,715 km (0.078 R)
• M2: 651,050 km (0.11 R)
• M3: 1,158,636 km (0.027 R)
• M4: 2,585,949 km (0.114 R)
• M5: 3,281,878 km (0.094 R)
• M6: 5,184,314 km (0.076 R)
• M7: 6,294,630 km (0.085 R)
• M8: 7,771,609 km (0.071 R)
• M9: 8,249,425 km (0.066 R)
• M10: 8,983,053 km (0.089 R)
• M11: 9,634,252 km (0.084 R)
• M12: 13,847,676 km (0.116 R)
• M13: 15,222,631 km (0.08 R)
• M14: 22,516,424 km (0.116 R)
• M15: 28,439,602 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.6

Radius: 10.6

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.94 AU - 8.2 AU

Year: 8020 Days

Day: 6.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,866,312 km

• M1: 131,945 km (0.101 R)
• M2: 482,603 km (0.089 R)
• M3: 1,124,976 km (0.119 R)
• M4: 1,667,567 km (0.062 R)
• M5: 2,183,680 km (0.107 R)
• M6: 2,880,058 km (0.117 R)
• M7: 3,238,943 km (0.056 R)
• M8: 3,927,991 km (0.099 R)
• M9: 4,422,562 km (0.113 R)
• M10: 5,184,464 km (0.107 R)
• M11: 6,968,568 km (0.096 R)
• M12: 7,435,463 km (0.117 R)
• M13: 9,645,772 km (0.114 R)
• M14: 10,877,261 km (0.091 R)
• M15: 13,485,051 km (0.11 R)
• M16: 13,928,759 km (0.083 R)
• M17: 17,055,653 km (0.107 R)
• M18: 17,971,342 km (0.093 R)
• M19: 19,266,261 km (0.117 R)
• M20: 20,043,721 km (0.079 R)
• M21: 20,768,672 km (0.102 R)
• M22: 22,424,870 km (0.079 R)
• M23: 27,122,992 km (0.055 R)
• M24: 28,732,964 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.5

Radius: 12.4

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 11.57 AU - 12.13 AU

Year: 14271 Days

Day: 6.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,866,312 km

• M1: 156,928 km (0.096 R)
• M2: 2,587,146 km (0.116 R)
• M3: 3,530,211 km (0.034 R)
• M4: 4,066,818 km (0.073 R)
• M5: 4,560,491 km (0.087 R)
• M6: 5,594,811 km (0.083 R)
• M7: 6,530,097 km (0.11 R)
• M8: 8,962,259 km (0.103 R)
• M9: 10,075,417 km (0.105 R)
• M10: 11,945,689 km (0.034 R)
• M11: 14,881,547 km (0.118 R)
• M12: 16,210,575 km (0.093 R)
• M13: 18,599,503 km (0.114 R)
• M14: 19,189,068 km (0.092 R)
• M15: 22,325,687 km (0.109 R)
• M16: 22,991,697 km (0.08 R)
• M17: 35,404,430 km (0.118 R)
• M18: 35,920,394 km (0.085 R)
• M19: 38,847,725 km (0.099 R)
• M20: 40,369,434 km (0.092 R)
• M21: 43,531,484 km (0.106 R)
• M22: 47,477,278 km (0.115 R)
• M23: 50,997,017 km (0.067 R)
• M24: 52,988,463 km (0.09 R)
• M25: 55,376,793 km (0.079 R)
• M26: 61,288,752 km (0.102 R)
• M27: 62,406,996 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.4

Radius: 3.1

Gravity: 37.61 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 11.19 AU - 16.43 AU

Year: 17954 Days

Day: 16.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,866,312 km

• M1: 38,596 km (0.117 R)
• M2: 176,077 km (0.073 R)
• M3: 838,945 km (0.046 R)
• M4: 942,766 km (0.043 R)
• M5: 1,164,021 km (0.089 R)
• M6: 1,491,491 km (0.077 R)
• M7: 2,037,822 km (0.106 R)
• M8: 2,149,871 km (0.09 R)
• M9: 3,893,285 km (0.112 R)
• M10: 4,616,291 km (0.111 R)
• M11: 4,842,932 km (0.036 R)
• M12: 4,942,414 km (0.063 R)
• M13: 5,861,843 km (0.089 R)
• M14: 6,244,066 km (0.08 R)
• M15: 7,015,392 km (0.089 R)
• M16: 11,252,153 km (0.037 R)
• M17: 13,144,567 km (0.088 R)
• M18: 15,596,176 km (0.067 R)
• M19: 16,551,359 km (0.109 R)
• M20: 19,988,220 km (0.066 R)
• M21: 23,301,963 km (0.088 R)
• M22: 31,911,171 km (0.109 R)
• M23: 32,849,748 km (0.098 R)
• M24: 37,172,528 km (0.053 R)
• M25: 38,473,880 km (0.12 R)
• M26: 40,346,247 km (0.046 R)
• M27: 50,941,516 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.2

Radius: 5.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 13.46 AU - 20.96 AU

Year: 24977 Days

Day: 19.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,866,312 km

• M1: 64,925 km (0.03 R)
• M2: 318,643 km (0.115 R)
• M3: 1,228,647 km (0.057 R)
• M4: 1,482,664 km (0.046 R)
• M5: 1,680,882 km (0.113 R)
• M6: 2,045,302 km (0.08 R)
• M7: 4,350,605 km (0.089 R)
• M8: 5,858,851 km (0.107 R)
• M9: 7,078,223 km (0.033 R)
• M10: 8,726,642 km (0.077 R)
• M11: 10,770,598 km (0.089 R)
• M12: 11,571,844 km (0.071 R)
• M13: 12,701,158 km (0.099 R)
• M14: 13,172,691 km (0.115 R)
• M15: 14,088,379 km (0.109 R)
• M16: 14,529,843 km (0.114 R)
• M17: 18,775,430 km (0.057 R)
• M18: 19,854,629 km (0.078 R)
• M19: 21,138,030 km (0.052 R)
• M20: 21,967,550 km (0.069 R)
• M21: 27,017,974 km (0.102 R)
• M22: 27,503,419 km (0.044 R)
• M23: 31,064,895 km (0.114 R)
• M24: 33,565,424 km (0.085 R)
• M25: 35,846,343 km (0.073 R)
• M26: 38,839,946 km (0.1 R)
• M27: 40,208,317 km (0.084 R)
• M28: 43,172,749 km (0.104 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 16,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit