🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.65 AU - 1.03 AU

Year: 349 Days

Day: 45.5 Hours

Environment

Temp: -58 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.53 AU - 2.41 AU

Year: 1253 Days

Day: 12.8 Hours

Environment

Temp: -119 °C

Axial Tilt: 55.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.1

Radius: 12

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.31 AU - 3.19 AU

Year: 2066 Days

Day: 9.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,824,438 km

• M1: 149,299 km (0.08 R)
• M2: 555,307 km (0.117 R)
• M3: 1,141,432 km (0.091 R)
• M4: 1,576,163 km (0.098 R)
• M5: 2,017,477 km (0.082 R)
• M6: 2,595,822 km (0.109 R)
• M7: 3,123,604 km (0.063 R)
• M8: 3,775,701 km (0.081 R)
• M9: 4,416,428 km (0.112 R)
• M10: 4,911,597 km (0.072 R)
• M11: 6,545,056 km (0.048 R)
• M12: 7,500,239 km (0.11 R)
• M13: 9,960,974 km (0.119 R)
• M14: 10,346,937 km (0.077 R)
• M15: 11,148,781 km (0.114 R)
• M16: 12,109,648 km (0.043 R)
• M17: 14,021,210 km (0.089 R)
• M18: 15,557,730 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.6

Radius: 10.7

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.12 AU - 4.74 AU

Year: 3530 Days

Day: 7.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,824,438 km

• M1: 133,591 km (0.11 R)
• M2: 496,366 km (0.088 R)
• M3: 1,094,608 km (0.119 R)
• M4: 1,620,893 km (0.108 R)
• M5: 1,984,117 km (0.105 R)
• M6: 2,809,149 km (0.098 R)
• M7: 3,743,088 km (0.098 R)
• M8: 4,999,112 km (0.106 R)
• M9: 6,486,713 km (0.069 R)
• M10: 7,183,839 km (0.106 R)
• M11: 7,825,465 km (0.058 R)
• M12: 9,379,487 km (0.054 R)
• M13: 14,148,967 km (0.107 R)
• M14: 16,729,679 km (0.115 R)
• M15: 17,796,312 km (0.07 R)
• M16: 18,532,184 km (0.096 R)
• M17: 22,519,416 km (0.11 R)
• M18: 25,860,984 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.2

Radius: 12.2

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.5 AU - 5.56 AU

Year: 5111 Days

Day: 6.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,824,438 km

• M1: 151,692 km (0.102 R)
• M2: 546,631 km (0.076 R)
• M3: 1,172,847 km (0.056 R)
• M4: 1,706,463 km (0.04 R)
• M5: 2,620,506 km (0.071 R)
• M6: 3,216,354 km (0.083 R)
• M7: 3,752,513 km (0.061 R)
• M8: 5,005,395 km (0.085 R)
• M9: 5,672,452 km (0.115 R)
• M10: 6,159,393 km (0.093 R)
• M11: 6,830,788 km (0.08 R)
• M12: 7,686,638 km (0.058 R)
• M13: 8,429,092 km (0.052 R)
• M14: 8,874,295 km (0.102 R)
• M15: 10,431,460 km (0.113 R)
• M16: 10,945,328 km (0.102 R)
• M17: 13,370,459 km (0.109 R)
• M18: 13,977,228 km (0.095 R)
• M19: 14,602,398 km (0.101 R)
• M20: 19,130,875 km (0.115 R)
• M21: 20,098,025 km (0.049 R)
• M22: 22,979,280 km (0.107 R)
• M23: 23,703,932 km (0.073 R)
• M24: 25,046,573 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.7

Radius: 7.9

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 14.64 AU - 15.92 AU

Year: 27059 Days

Day: 23.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 91,824,438 km

• M1: 98,735 km (0.115 R)
• M2: 355,445 km (0.114 R)
• M3: 959,970 km (0.07 R)
• M4: 1,637,199 km (0.1 R)
• M5: 1,903,633 km (0.093 R)
• M6: 2,199,388 km (0.116 R)
• M7: 3,424,594 km (0.107 R)
• M8: 4,706,947 km (0.105 R)
• M9: 6,991,606 km (0.089 R)
• M10: 7,858,675 km (0.119 R)
• M11: 8,181,208 km (0.114 R)
• M12: 10,179,088 km (0.096 R)
• M13: 11,089,241 km (0.07 R)
• M14: 12,700,261 km (0.081 R)
• M15: 16,293,302 km (0.112 R)
• M16: 20,918,420 km (0.106 R)
• M17: 22,492,339 km (0.046 R)
• M18: 23,143,539 km (0.089 R)
• M19: 23,473,701 km (0.114 R)
• M20: 23,919,054 km (0.081 R)
• M21: 28,058,277 km (0.065 R)
• M22: 28,939,858 km (0.065 R)
• M23: 30,493,880 km (0.077 R)
• M24: 33,345,964 km (0.04 R)
• M25: 35,053,025 km (0.089 R)
• M26: 39,731,399 km (0.093 R)
• M27: 41,002,981 km (0.102 R)
• M28: 41,974,320 km (0.093 R)
• M29: 50,303,930 km (0.081 R)
• M30: 52,926,081 km (0.112 R)
• M31: 63,248,484 km (0.052 R)
• M32: 67,862,232 km (0.107 R)
• M33: 71,757,461 km (0.103 R)
• M34: 77,261,316 km (0.116 R)
• M35: 86,430,170 km (0.095 R)
• M36: 89,911,611 km (0.081 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 17,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit