🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.9

Radius: 10.2

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.46 AU - 0.62 AU

Year: 274 Days

Day: 10.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,736,616 km

• M1: 127,009 km (0.1 R)
• M2: 451,337 km (0.106 R)
• M3: 768,933 km (0.099 R)
• M4: 1,146,368 km (0.08 R)
• M5: 1,564,046 km (0.092 R)
• M6: 2,665,984 km (0.106 R)
• M7: 3,047,757 km (0.077 R)
• M8: 3,477,103 km (0.101 R)
• M9: 3,958,958 km (0.071 R)
• M10: 4,431,687 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 12.7

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.63 AU - 0.71 AU

Year: 379 Days

Day: 11.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,736,616 km

• M1: 163,810 km (0.118 R)
• M2: 578,794 km (0.109 R)
• M3: 979,866 km (0.062 R)
• M4: 1,681,031 km (0.104 R)
• M5: 2,254,590 km (0.089 R)
• M6: 2,791,795 km (0.104 R)
• M7: 3,200,198 km (0.081 R)
• M8: 3,799,636 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.7

Radius: 9.6

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.67 AU - 0.91 AU

Year: 485 Days

Day: 8.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,736,616 km

• M1: 119,977 km (0.115 R)
• M2: 461,659 km (0.064 R)
• M3: 816,056 km (0.049 R)
• M4: 1,115,551 km (0.096 R)
• M5: 1,671,008 km (0.065 R)
• M6: 2,158,398 km (0.12 R)
• M7: 3,036,837 km (0.081 R)
• M8: 3,532,155 km (0.08 R)
• M9: 4,108,706 km (0.12 R)
• M10: 5,197,030 km (0.099 R)
• M11: 5,781,659 km (0.1 R)
• M12: 6,447,967 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665

Radius: 11.5

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.08 AU - 2.14 AU

Year: 2116 Days

Day: 7.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,736,616 km

• M1: 143,016 km (0.11 R)
• M2: 537,954 km (0.112 R)
• M3: 1,196,334 km (0.092 R)
• M4: 2,002,367 km (0.096 R)
• M5: 2,602,405 km (0.093 R)
• M6: 3,237,298 km (0.115 R)
• M7: 3,662,605 km (0.094 R)
• M8: 4,105,863 km (0.069 R)
• M9: 4,584,876 km (0.082 R)
• M10: 4,946,603 km (0.091 R)
• M11: 5,350,368 km (0.06 R)
• M12: 6,913,666 km (0.1 R)
• M13: 8,956,873 km (0.12 R)
• M14: 9,800,605 km (0.059 R)
• M15: 10,403,934 km (0.098 R)
• M16: 12,041,432 km (0.111 R)
• M17: 13,409,804 km (0.105 R)
• M18: 14,741,374 km (0.09 R)
• M19: 15,965,234 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.4

Radius: 9.5

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.4 AU - 3.82 AU

Year: 3786 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,736,616 km

• M1: 118,182 km (0.05 R)
• M2: 531,521 km (0.114 R)
• M3: 852,109 km (0.092 R)
• M4: 1,267,543 km (0.115 R)
• M5: 1,602,193 km (0.073 R)
• M6: 2,348,238 km (0.12 R)
• M7: 2,708,769 km (0.095 R)
• M8: 3,106,250 km (0.107 R)
• M9: 3,405,596 km (0.095 R)
• M10: 3,869,648 km (0.084 R)
• M11: 4,421,664 km (0.091 R)
• M12: 7,105,001 km (0.082 R)
• M13: 7,495,003 km (0.115 R)
• M14: 8,036,996 km (0.059 R)
• M15: 8,568,667 km (0.031 R)
• M16: 8,973,329 km (0.072 R)
• M17: 9,468,049 km (0.087 R)
• M18: 10,346,488 km (0.104 R)
• M19: 11,497,793 km (0.102 R)
• M20: 11,854,734 km (0.04 R)
• M21: 13,162,817 km (0.078 R)
• M22: 14,002,660 km (0.109 R)
• M23: 17,780,904 km (0.088 R)
• M24: 18,198,581 km (0.074 R)
• M25: 18,745,212 km (0.081 R)
• M26: 19,617,218 km (0.069 R)
• M27: 20,909,594 km (0.116 R)
• M28: 23,094,171 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.3

Radius: 11.9

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.95 AU - 4.09 AU

Year: 4559 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,736,616 km

• M1: 148,102 km (0.119 R)
• M2: 588,817 km (0.103 R)
• M3: 1,037,461 km (0.113 R)
• M4: 1,501,813 km (0.042 R)
• M5: 1,917,396 km (0.033 R)
• M6: 2,987,170 km (0.048 R)
• M7: 3,434,767 km (0.063 R)
• M8: 4,560,641 km (0.108 R)
• M9: 5,003,301 km (0.036 R)
• M10: 5,777,021 km (0.071 R)
• M11: 6,783,815 km (0.036 R)
• M12: 8,008,572 km (0.108 R)
• M13: 9,259,211 km (0.075 R)
• M14: 10,012,585 km (0.087 R)
• M15: 12,237,704 km (0.11 R)
• M16: 12,757,856 km (0.107 R)
• M17: 14,199,979 km (0.068 R)
• M18: 14,987,313 km (0.04 R)
• M19: 18,124,979 km (0.111 R)
• M20: 20,204,539 km (0.108 R)
• M21: 23,870,135 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.9

Radius: 3.7

Gravity: 54.12 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.76 AU - 6.34 AU

Year: 9025 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,736,616 km

• M1: 46,076 km (0.118 R)
• M2: 271,520 km (0.115 R)
• M3: 746,194 km (0.085 R)
• M4: 1,064,538 km (0.12 R)
• M5: 2,152,265 km (0.117 R)
• M6: 3,903,308 km (0.03 R)
• M7: 4,781,597 km (0.116 R)
• M8: 5,186,409 km (0.066 R)
• M9: 7,851,195 km (0.105 R)
• M10: 9,142,225 km (0.059 R)
• M11: 9,813,321 km (0.054 R)
• M12: 13,303,439 km (0.103 R)
• M13: 14,226,608 km (0.038 R)
• M14: 17,684,413 km (0.068 R)
• M15: 18,572,276 km (0.107 R)
• M16: 20,356,530 km (0.11 R)
• M17: 24,622,762 km (0.117 R)
• M18: 25,356,241 km (0.089 R)
• M19: 25,728,440 km (0.112 R)
• M20: 26,579,203 km (0.085 R)
• M21: 34,184,161 km (0.119 R)
• M22: 37,568,364 km (0.107 R)
• M23: 42,593,057 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.9

Radius: 5.3

Gravity: 33.89 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.31 AU - 11.63 AU

Year: 21730 Days

Day: 17.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,736,616 km

• M1: 65,973 km (0.097 R)
• M2: 447,148 km (0.089 R)
• M3: 710,590 km (0.092 R)
• M4: 884,572 km (0.048 R)
• M5: 1,368,521 km (0.101 R)
• M6: 2,949,472 km (0.119 R)
• M7: 3,716,161 km (0.071 R)
• M8: 4,077,739 km (0.092 R)
• M9: 4,534,760 km (0.07 R)
• M10: 6,156,102 km (0.118 R)
• M11: 7,756,650 km (0.077 R)
• M12: 8,401,716 km (0.097 R)
• M13: 9,140,131 km (0.082 R)
• M14: 11,140,853 km (0.056 R)
• M15: 11,890,936 km (0.067 R)
• M16: 17,834,609 km (0.095 R)
• M17: 20,620,271 km (0.105 R)
• M18: 21,128,156 km (0.066 R)
• M19: 25,963,309 km (0.038 R)
• M20: 28,013,248 km (0.047 R)
• M21: 28,510,811 km (0.074 R)
• M22: 29,651,794 km (0.049 R)
• M23: 31,220,178 km (0.114 R)
• M24: 33,118,725 km (0.068 R)
• M25: 37,895,684 km (0.078 R)
• M26: 39,429,212 km (0.104 R)
• M27: 40,844,258 km (0.042 R)
• M28: 41,483,938 km (0.111 R)
• M29: 43,277,318 km (0.076 R)
• M30: 44,782,721 km (0.057 R)
• M31: 45,121,859 km (0.048 R)
• M32: 45,292,102 km (0.11 R)
• M33: 52,646,632 km (0.112 R)
• M34: 56,309,387 km (0.116 R)
• M35: 56,506,706 km (0.1 R)
• M36: 57,101,507 km (0.075 R)
• M37: 60,965,919 km (0.07 R)
• M38: 63,922,422 km (0.096 R)
• M39: 80,146,910 km (0.226 R)
• M40: 87,601,671 km (0.069 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: 384 - 11,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit