🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.77 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.69 AU - 4.37 AU

Year: 2410 Days

Day: 15.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.99 AU - 4.53 AU

Year: 2650 Days

Day: 29.6 Hours

Environment

Temp: -108 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.7

Radius: 14.7

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.91 AU - 5.65 AU

Year: 4409 Days

Day: 5.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 97,684,888 km

• M1: 183,257 km (0.077 R)
• M2: 680,371 km (0.08 R)
• M3: 1,208,452 km (0.098 R)
• M4: 1,736,083 km (0.051 R)
• M5: 2,433,359 km (0.107 R)
• M6: 2,905,490 km (0.068 R)
• M7: 4,353,747 km (0.054 R)
• M8: 4,986,247 km (0.044 R)
• M9: 6,810,892 km (0.107 R)
• M10: 7,322,068 km (0.094 R)
• M11: 8,421,911 km (0.085 R)
• M12: 9,335,356 km (0.118 R)
• M13: 9,891,710 km (0.026 R)
• M14: 11,359,565 km (0.07 R)
• M15: 11,865,654 km (0.078 R)
• M16: 14,090,623 km (0.041 R)
• M17: 16,103,313 km (0.093 R)
• M18: 17,343,928 km (0.112 R)
• M19: 17,846,428 km (0.076 R)
• M20: 20,880,422 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.2

Radius: 11.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.33 AU - 7.55 AU

Year: 6645 Days

Day: 11.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 97,684,888 km

• M1: 147,952 km (0.113 R)
• M2: 984,504 km (0.071 R)
• M3: 1,468,453 km (0.05 R)
• M4: 2,385,488 km (0.107 R)
• M5: 4,572,010 km (0.103 R)
• M6: 14,527,449 km (0.035 R)
• M7: 19,166,928 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.7

Radius: 8.6

Gravity: 12.94 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 10.63 AU - 12.99 AU

Year: 14750 Days

Day: 9.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 97,684,888 km

• M1: 107,561 km (0.076 R)
• M2: 712,983 km (0.095 R)
• M3: 1,018,163 km (0.091 R)
• M4: 1,297,462 km (0.111 R)
• M5: 2,035,279 km (0.03 R)
• M6: 2,464,625 km (0.071 R)
• M7: 2,855,674 km (0.101 R)
• M8: 3,368,196 km (0.109 R)
• M9: 3,762,536 km (0.113 R)
• M10: 4,124,862 km (0.115 R)
• M11: 4,610,307 km (0.115 R)
• M12: 5,169,803 km (0.112 R)
• M13: 6,987,268 km (0.108 R)
• M14: 7,442,644 km (0.11 R)
• M15: 8,668,449 km (0.061 R)
• M16: 10,252,989 km (0.105 R)
• M17: 11,022,371 km (0.112 R)
• M18: 14,856,714 km (0.04 R)
• M19: 16,310,207 km (0.08 R)
• M20: 18,708,111 km (0.101 R)
• M21: 25,445,401 km (0.102 R)
• M22: 30,777,817 km (0.107 R)
• M23: 36,674,516 km (0.05 R)
• M24: 37,771,518 km (0.119 R)
• M25: 42,080,235 km (0.113 R)
• M26: 53,036,784 km (0.097 R)
• M27: 53,385,047 km (0.109 R)
• M28: 61,437,302 km (0.056 R)
• M29: 67,981,910 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.8

Radius: 7.7

Gravity: 15.7 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 15.62 AU - 19.96 AU

Year: 27271 Days

Day: 15.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 97,684,888 km

• M1: 95,892 km (0.088 R)
• M2: 650,601 km (0.113 R)
• M3: 1,198,129 km (0.112 R)
• M4: 1,894,507 km (0.119 R)
• M5: 2,891,128 km (0.118 R)
• M6: 5,007,190 km (0.117 R)
• M7: 5,599,299 km (0.062 R)
• M8: 7,711,770 km (0.101 R)
• M9: 10,173,403 km (0.093 R)
• M10: 11,689,578 km (0.115 R)
• M11: 14,991,951 km (0.065 R)
• M12: 20,506,128 km (0.119 R)
• M13: 25,372,547 km (0.115 R)
• M14: 25,616,092 km (0.118 R)
• M15: 26,730,896 km (0.077 R)
• M16: 28,007,115 km (0.074 R)
• M17: 31,234,988 km (0.052 R)
• M18: 33,519,497 km (0.061 R)
• M19: 41,205,537 km (0.101 R)
• M20: 51,921,382 km (0.069 R)
• M21: 68,980,925 km (0.082 R)
• M22: 70,171,275 km (0.049 R)
• M23: 73,577,170 km (0.096 R)
• M24: 73,824,604 km (0.109 R)
• M25: 84,996,274 km (0.1 R)
• M26: 87,191,922 km (0.078 R)
• M27: 89,706,812 km (0.097 R)
• M28: 95,174,165 km (0.056 R)
• M29: 96,648,901 km (0.084 R)
• M30: 103,319,470 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.8

Radius: 4.3

Gravity: 39.9 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 13.75 AU - 22.49 AU

Year: 28033 Days

Day: 21.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 97,684,888 km

• M1: 55,650 km (0.11 R)
• M2: 277,953 km (0.085 R)
• M3: 622,926 km (0.104 R)
• M4: 1,336,807 km (0.118 R)
• M5: 1,634,506 km (0.06 R)
• M6: 1,769,444 km (0.063 R)
• M7: 2,459,389 km (0.078 R)
• M8: 3,193,017 km (0.094 R)
• M9: 5,495,777 km (0.114 R)
• M10: 6,070,532 km (0.071 R)
• M11: 7,548,260 km (0.089 R)
• M12: 13,466,800 km (0.104 R)
• M13: 14,588,485 km (0.106 R)
• M14: 16,743,891 km (0.057 R)
• M15: 18,711,103 km (0.113 R)
• M16: 20,104,907 km (0.032 R)
• M17: 22,985,713 km (0.075 R)
• M18: 24,465,984 km (0.113 R)
• M19: 25,051,809 km (0.114 R)
• M20: 25,887,612 km (0.103 R)
• M21: 27,113,716 km (0.07 R)
• M22: 27,741,130 km (0.119 R)
• M23: 30,887,622 km (0.113 R)
• M24: 31,434,103 km (0.058 R)
• M25: 31,709,812 km (0.032 R)
• M26: 32,546,363 km (0.092 R)
• M27: 39,776,727 km (0.063 R)
• M28: 40,099,260 km (0.072 R)
• M29: 45,852,047 km (0.085 R)
• M30: 59,168,950 km (0.066 R)
• M31: 61,720,342 km (0.091 R)
• M32: 64,343,989 km (0.079 R)
• M33: 68,417,689 km (0.097 R)
• M34: 69,345,644 km (0.108 R)
• M35: 71,702,259 km (0.079 R)
• M36: 74,355,677 km (0.036 R)
• M37: 76,574,812 km (0.12 R)
• M38: 79,091,796 km (0.098 R)
• M39: 82,445,481 km (0.094 R)
• M40: 85,624,286 km (0.079 R)
• M41: 91,102,111 km (0.12 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 12,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit