🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.3

Radius: 13.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.58 AU - 0.76 AU

Year: 379 Days

Day: 6.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,748,737 km

• M1: 172,187 km (0.034 R)
• M2: 641,176 km (0.116 R)
• M3: 1,480,570 km (0.079 R)
• M4: 2,043,657 km (0.101 R)
• M5: 2,896,065 km (0.11 R)
• M6: 3,974,217 km (0.094 R)
• M7: 4,647,856 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.6

Radius: 9.3

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.61 AU - 0.97 AU

Year: 485 Days

Day: 9.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,748,737 km

• M1: 115,639 km (0.115 R)
• M2: 424,708 km (0.12 R)
• M3: 785,389 km (0.118 R)
• M4: 1,136,495 km (0.093 R)
• M5: 1,510,041 km (0.064 R)
• M6: 1,852,919 km (0.104 R)
• M7: 2,159,445 km (0.077 R)
• M8: 2,509,504 km (0.077 R)
• M9: 3,432,822 km (0.11 R)
• M10: 4,913,542 km (0.079 R)
• M11: 5,375,051 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.1

Radius: 8.4

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.08 AU - 1.6 AU

Year: 1071 Days

Day: 5.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,748,737 km

• M1: 104,419 km (0.058 R)
• M2: 402,418 km (0.11 R)
• M3: 724,353 km (0.119 R)
• M4: 1,015,470 km (0.067 R)
• M5: 1,449,753 km (0.077 R)
• M6: 1,915,900 km (0.088 R)
• M7: 2,236,787 km (0.057 R)
• M8: 2,505,166 km (0.116 R)
• M9: 3,508,818 km (0.073 R)
• M10: 4,004,286 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523

Radius: 13.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.64 AU - 1.82 AU

Year: 1571 Days

Day: 14.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,748,737 km

• M1: 165,455 km (0.09 R)
• M2: 609,611 km (0.076 R)
• M3: 1,065,137 km (0.109 R)
• M4: 2,071,482 km (0.073 R)
• M5: 2,533,590 km (0.087 R)
• M6: 3,107,746 km (0.087 R)
• M7: 4,824,831 km (0.097 R)
• M8: 5,604,385 km (0.119 R)
• M9: 6,070,382 km (0.064 R)
• M10: 6,658,900 km (0.108 R)
• M11: 7,131,480 km (0.096 R)
• M12: 8,144,108 km (0.045 R)
• M13: 9,159,728 km (0.102 R)
• M14: 11,976,806 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.4

Radius: 10.4

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.52 AU - 2.8 AU

Year: 2995 Days

Day: 10.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,748,737 km

• M1: 136,134 km (0.109 R)
• M2: 1,144,573 km (0.065 R)
• M3: 1,621,043 km (0.066 R)
• M4: 2,844,604 km (0.109 R)
• M5: 3,438,058 km (0.109 R)
• M6: 4,168,844 km (0.106 R)
• M7: 4,766,936 km (0.117 R)
• M8: 6,284,307 km (0.086 R)
• M9: 7,404,197 km (0.11 R)
• M10: 8,809,519 km (0.084 R)
• M11: 10,420,688 km (0.077 R)
• M12: 10,999,034 km (0.089 R)
• M13: 13,956,434 km (0.111 R)
• M14: 14,614,665 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.7

Radius: 5.1

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.14 AU - 8.7 AU

Year: 13951 Days

Day: 22.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,748,737 km

• M1: 64,477 km (0.108 R)
• M2: 248,482 km (0.062 R)
• M3: 521,049 km (0.111 R)
• M4: 680,970 km (0.099 R)
• M5: 1,017,116 km (0.082 R)
• M6: 1,445,265 km (0.058 R)
• M7: 1,634,058 km (0.076 R)
• M8: 1,970,503 km (0.114 R)
• M9: 2,285,257 km (0.107 R)
• M10: 2,994,650 km (0.111 R)
• M11: 3,587,806 km (0.065 R)
• M12: 4,081,628 km (0.113 R)
• M13: 4,646,211 km (0.091 R)
• M14: 5,961,176 km (0.118 R)
• M15: 6,383,042 km (0.115 R)
• M16: 6,755,391 km (0.1 R)
• M17: 8,390,795 km (0.061 R)
• M18: 15,440,295 km (0.083 R)
• M19: 15,803,519 km (0.111 R)
• M20: 15,987,225 km (0.12 R)
• M21: 16,484,040 km (0.099 R)
• M22: 26,067,728 km (0.118 R)
• M23: 27,632,821 km (0.078 R)
• M24: 28,710,375 km (0.093 R)
• M25: 31,817,522 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.6

Radius: 5

Gravity: 29.9 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.52 AU - 10.76 AU

Year: 17530 Days

Day: 21.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 71,748,737 km

• M1: 62,532 km (0.044 R)
• M2: 957,277 km (0.113 R)
• M3: 1,116,449 km (0.098 R)
• M4: 1,322,146 km (0.066 R)
• M5: 2,411,218 km (0.113 R)
• M6: 2,904,742 km (0.109 R)
• M7: 3,162,200 km (0.093 R)
• M8: 4,547,626 km (0.09 R)
• M9: 4,966,799 km (0.102 R)
• M10: 7,131,330 km (0.113 R)
• M11: 7,648,341 km (0.052 R)
• M12: 12,923,162 km (0.046 R)
• M13: 14,710,407 km (0.059 R)
• M14: 18,072,620 km (0.111 R)
• M15: 18,854,418 km (0.079 R)
• M16: 21,913,694 km (0.096 R)
• M17: 22,305,641 km (0.069 R)
• M18: 23,002,917 km (0.118 R)
• M19: 24,023,772 km (0.056 R)
• M20: 24,968,184 km (0.08 R)
• M21: 25,181,361 km (0.088 R)
• M22: 30,063,637 km (0.095 R)
• M23: 30,669,359 km (0.09 R)
• M24: 32,156,062 km (0.108 R)
• M25: 32,662,152 km (0.092 R)
• M26: 34,872,311 km (0.057 R)
• M27: 35,138,745 km (0.118 R)
• M28: 35,810,589 km (0.09 R)
• M29: 37,737,559 km (0.08 R)
• M30: 39,443,423 km (0.082 R)
• M31: 40,608,791 km (0.104 R)
• M32: 42,399,477 km (0.073 R)
• M33: 44,398,254 km (0.112 R)
• M34: 44,711,213 km (0.113 R)
• M35: 46,297,998 km (0.063 R)
• M36: 53,373,828 km (0.113 R)
• M37: 55,883,631 km (0.097 R)
• M38: 56,614,865 km (0.045 R)
• M39: 58,847,015 km (0.1 R)
• M40: 59,224,600 km (0.12 R)
• M41: 60,175,743 km (0.113 R)
• M42: 70,042,022 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 11,472 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit