🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.3

Radius: 9.8

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.61 AU - 0.77 AU

Year: 389 Days

Day: 8 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,774,376 km

• M1: 121,922 km (0.055 R)
• M2: 442,511 km (0.046 R)
• M3: 877,392 km (0.098 R)
• M4: 1,448,556 km (0.115 R)
• M5: 2,017,178 km (0.054 R)
• M6: 2,887,239 km (0.05 R)
• M7: 3,247,022 km (0.051 R)
• M8: 3,662,156 km (0.119 R)
• M9: 4,112,445 km (0.112 R)
• M10: 4,629,306 km (0.104 R)
• M11: 6,094,168 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.3

Radius: 12.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.95 AU - 1.25 AU

Year: 782 Days

Day: 10.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,774,376 km

• M1: 156,779 km (0.094 R)
• M2: 581,038 km (0.115 R)
• M3: 1,262,008 km (0.084 R)
• M4: 1,666,670 km (0.037 R)
• M5: 2,120,400 km (0.082 R)
• M6: 2,679,597 km (0.117 R)
• M7: 3,471,419 km (0.071 R)
• M8: 3,915,425 km (0.039 R)
• M9: 4,577,695 km (0.094 R)
• M10: 5,906,124 km (0.087 R)
• M11: 6,866,393 km (0.085 R)
• M12: 7,500,239 km (0.075 R)
• M13: 8,172,831 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 14.4

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.41 AU - 1.41 AU

Year: 1136 Days

Day: 12.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,774,376 km

• M1: 180,265 km (0.118 R)
• M2: 871,108 km (0.111 R)
• M3: 1,506,002 km (0.057 R)
• M4: 2,306,650 km (0.026 R)
• M5: 3,276,193 km (0.116 R)
• M6: 5,262,105 km (0.085 R)
• M7: 6,653,515 km (0.07 R)
• M8: 7,159,904 km (0.119 R)
• M9: 9,449,798 km (0.052 R)
• M10: 11,191,716 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.7

Radius: 13.2

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.15 AU - 2.79 AU

Year: 2633 Days

Day: 9 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,774,376 km

• M1: 164,408 km (0.111 R)
• M2: 778,208 km (0.112 R)
• M3: 1,242,261 km (0.086 R)
• M4: 2,152,414 km (0.104 R)
• M5: 2,709,517 km (0.115 R)
• M6: 3,379,715 km (0.077 R)
• M7: 3,977,807 km (0.106 R)
• M8: 4,536,555 km (0.087 R)
• M9: 5,218,572 km (0.119 R)
• M10: 5,838,356 km (0.074 R)
• M11: 6,287,599 km (0.055 R)
• M12: 6,703,032 km (0.102 R)
• M13: 7,558,732 km (0.066 R)
• M14: 9,380,684 km (0.098 R)
• M15: 11,076,526 km (0.067 R)
• M16: 11,684,940 km (0.112 R)
• M17: 12,748,282 km (0.069 R)
• M18: 14,344,341 km (0.094 R)
• M19: 15,215,151 km (0.109 R)
• M20: 15,714,060 km (0.081 R)
• M21: 16,172,427 km (0.067 R)
• M22: 17,655,690 km (0.06 R)
• M23: 19,227,964 km (0.115 R)
• M24: 19,693,812 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.8

Radius: 11.4

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.39 AU - 2.91 AU

Year: 2926 Days

Day: 13.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,774,376 km

• M1: 141,968 km (0.102 R)
• M2: 1,180,776 km (0.104 R)
• M3: 1,602,642 km (0.113 R)
• M4: 2,102,897 km (0.117 R)
• M5: 2,626,490 km (0.027 R)
• M6: 4,522,942 km (0.072 R)
• M7: 6,101,648 km (0.085 R)
• M8: 8,963,755 km (0.112 R)
• M9: 10,379,549 km (0.116 R)
• M10: 10,894,764 km (0.104 R)
• M11: 11,535,492 km (0.092 R)
• M12: 13,049,422 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.6

Radius: 14.4

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.04 AU - 3.48 AU

Year: 3992 Days

Day: 6.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,774,376 km

• M1: 179,218 km (0.091 R)
• M2: 655,687 km (0.106 R)
• M3: 1,371,064 km (0.114 R)
• M4: 1,864,139 km (0.104 R)
• M5: 2,551,990 km (0.093 R)
• M6: 3,066,906 km (0.062 R)
• M7: 3,574,342 km (0.11 R)
• M8: 4,288,073 km (0.089 R)
• M9: 5,318,803 km (0.09 R)
• M10: 6,168,070 km (0.057 R)
• M11: 8,901,971 km (0.12 R)
• M12: 10,257,178 km (0.098 R)
• M13: 12,095,437 km (0.087 R)
• M14: 13,421,771 km (0.119 R)
• M15: 13,998,172 km (0.062 R)
• M16: 15,097,866 km (0.076 R)
• M17: 17,525,839 km (0.111 R)
• M18: 18,215,037 km (0.084 R)
• M19: 19,955,458 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.7

Radius: 9.9

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.22 AU - 4.86 AU

Year: 6561 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,774,376 km

• M1: 123,119 km (0.109 R)
• M2: 524,191 km (0.111 R)
• M3: 867,219 km (0.105 R)
• M4: 1,376,300 km (0.06 R)
• M5: 2,092,126 km (0.086 R)
• M6: 2,652,669 km (0.068 R)
• M7: 3,079,771 km (0.055 R)
• M8: 3,552,650 km (0.066 R)
• M9: 4,483,448 km (0.112 R)
• M10: 4,808,973 km (0.054 R)
• M11: 10,664,084 km (0.093 R)
• M12: 11,647,092 km (0.08 R)
• M13: 12,529,270 km (0.077 R)
• M14: 13,679,528 km (0.057 R)
• M15: 15,443,138 km (0.103 R)
• M16: 16,700,059 km (0.095 R)
• M17: 18,711,402 km (0.042 R)
• M18: 19,061,611 km (0.091 R)
• M19: 23,048,694 km (0.032 R)
• M20: 24,436,962 km (0.095 R)
• M21: 25,109,105 km (0.099 R)
• M22: 26,755,130 km (0.073 R)
• M23: 27,921,994 km (0.108 R)
• M24: 29,122,367 km (0.079 R)
• M25: 32,223,531 km (0.071 R)
• M26: 32,727,227 km (0.071 R)
• M27: 35,967,966 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.4

Radius: 7.4

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.89 AU - 7.21 AU

Year: 12696 Days

Day: 19.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,774,376 km

• M1: 94,995 km (0.081 R)
• M2: 436,078 km (0.083 R)
• M3: 781,050 km (0.054 R)
• M4: 1,074,262 km (0.067 R)
• M5: 1,775,577 km (0.059 R)
• M6: 2,225,717 km (0.106 R)
• M7: 2,566,501 km (0.072 R)
• M8: 3,461,844 km (0.101 R)
• M9: 4,684,508 km (0.068 R)
• M10: 5,915,100 km (0.086 R)
• M11: 6,237,334 km (0.106 R)
• M12: 7,911,633 km (0.089 R)
• M13: 10,929,920 km (0.114 R)
• M14: 12,223,193 km (0.116 R)
• M15: 14,178,138 km (0.082 R)
• M16: 14,932,560 km (0.099 R)
• M17: 16,521,290 km (0.104 R)
• M18: 17,291,270 km (0.074 R)
• M19: 20,103,111 km (0.11 R)
• M20: 21,428,549 km (0.116 R)
• M21: 29,774,913 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.5

Radius: 7.1

Gravity: 17.15 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.08 AU - 9.44 AU

Year: 19112 Days

Day: 22.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,774,376 km

• M1: 88,412 km (0.11 R)
• M2: 311,612 km (0.117 R)
• M3: 537,655 km (0.12 R)
• M4: 1,057,807 km (0.045 R)
• M5: 1,289,085 km (0.119 R)
• M6: 1,622,090 km (0.042 R)
• M7: 2,011,792 km (0.094 R)
• M8: 2,261,471 km (0.089 R)
• M9: 2,952,015 km (0.089 R)
• M10: 3,534,250 km (0.102 R)
• M11: 4,290,467 km (0.091 R)
• M12: 5,825,042 km (0.113 R)
• M13: 6,335,919 km (0.097 R)
• M14: 6,647,531 km (0.117 R)
• M15: 7,495,901 km (0.092 R)
• M16: 8,152,037 km (0.111 R)
• M17: 8,628,356 km (0.105 R)
• M18: 9,235,574 km (0.115 R)
• M19: 11,884,653 km (0.058 R)
• M20: 12,222,296 km (0.086 R)
• M21: 13,058,847 km (0.103 R)
• M22: 14,384,434 km (0.068 R)
• M23: 14,613,767 km (0.042 R)
• M24: 16,205,788 km (0.106 R)
• M25: 18,805,350 km (0.096 R)
• M26: 23,628,236 km (0.081 R)
• M27: 28,248,865 km (0.113 R)
• M28: 33,975,472 km (0.107 R)
• M29: 40,278,628 km (0.067 R)
• M30: 44,508,658 km (0.115 R)
• M31: 44,996,197 km (0.076 R)
• M32: 46,313,706 km (0.052 R)
• M33: 52,924,585 km (0.076 R)
• M34: 56,264,507 km (0.037 R)
• M35: 56,644,037 km (0.069 R)
• M36: 63,977,773 km (0.098 R)
• M37: 64,598,754 km (0.072 R)
• M38: 69,493,596 km (0.098 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 18,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit