🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.2

Radius: 13.4

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.43 AU - 0.67 AU

Year: 277 Days

Day: 13 Hours

Environment

Temp: -143 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,048,500 km

• M1: 166,652 km (0.083 R)
• M2: 629,059 km (0.104 R)
• M3: 1,180,776 km (0.085 R)
• M4: 1,663,080 km (0.094 R)
• M5: 2,278,376 km (0.031 R)
• M6: 2,989,564 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.3

Radius: 14.1

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.65 AU - 0.73 AU

Year: 389 Days

Day: 8.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,048,500 km

• M1: 175,927 km (0.061 R)
• M2: 667,356 km (0.067 R)
• M3: 1,108,819 km (0.113 R)
• M4: 1,723,966 km (0.071 R)
• M5: 2,267,156 km (0.107 R)
• M6: 3,184,490 km (0.076 R)
• M7: 3,729,774 km (0.082 R)
• M8: 4,324,426 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.6

Radius: 12.4

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1 AU - 1.12 AU

Year: 740 Days

Day: 9 Hours

Environment

Temp: -182 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,048,500 km

• M1: 154,235 km (0.088 R)
• M2: 603,029 km (0.049 R)
• M3: 1,122,582 km (0.097 R)
• M4: 1,580,950 km (0.112 R)
• M5: 2,353,025 km (0.077 R)
• M6: 3,458,852 km (0.048 R)
• M7: 4,915,038 km (0.042 R)
• M8: 5,593,464 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.8

Radius: 9.9

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.44 AU - 1.86 AU

Year: 1438 Days

Day: 8.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,048,500 km

• M1: 124,017 km (0.098 R)
• M2: 483,351 km (0.109 R)
• M3: 1,298,061 km (0.085 R)
• M4: 2,042,161 km (0.09 R)
• M5: 2,408,526 km (0.069 R)
• M6: 2,735,846 km (0.104 R)
• M7: 3,662,156 km (0.09 R)
• M8: 4,586,820 km (0.112 R)
• M9: 5,156,938 km (0.085 R)
• M10: 5,570,127 km (0.098 R)
• M11: 6,662,940 km (0.108 R)
• M12: 7,921,207 km (0.08 R)
• M13: 8,237,308 km (0.115 R)
• M14: 9,651,755 km (0.073 R)
• M15: 11,842,915 km (0.099 R)
• M16: 13,274,118 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145

Radius: 12.5

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.94 AU - 2.94 AU

Year: 3419 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,048,500 km

• M1: 155,432 km (0.114 R)
• M2: 547,379 km (0.1 R)
• M3: 981,063 km (0.112 R)
• M4: 1,372,560 km (0.087 R)
• M5: 1,790,387 km (0.092 R)
• M6: 2,282,415 km (0.033 R)
• M7: 3,368,346 km (0.037 R)
• M8: 3,879,073 km (0.114 R)
• M9: 4,328,315 km (0.079 R)
• M10: 8,139,171 km (0.105 R)
• M11: 8,668,000 km (0.056 R)
• M12: 10,495,637 km (0.099 R)
• M13: 11,337,574 km (0.113 R)
• M14: 12,567,867 km (0.065 R)
• M15: 13,036,706 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.1

Radius: 9.9

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.78 AU - 4.5 AU

Year: 4710 Days

Day: 10.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,048,500 km

• M1: 123,119 km (0.101 R)
• M2: 566,378 km (0.101 R)
• M3: 1,522,458 km (0.111 R)
• M4: 1,894,208 km (0.1 R)
• M5: 2,507,410 km (0.094 R)
• M6: 3,011,555 km (0.079 R)
• M7: 3,939,810 km (0.1 R)
• M8: 4,727,293 km (0.107 R)
• M9: 5,764,604 km (0.108 R)
• M10: 7,650,136 km (0.062 R)
• M11: 9,363,181 km (0.119 R)
• M12: 10,176,694 km (0.113 R)
• M13: 11,652,477 km (0.081 R)
• M14: 14,126,527 km (0.096 R)
• M15: 16,500,944 km (0.115 R)
• M16: 17,943,367 km (0.088 R)
• M17: 21,077,442 km (0.115 R)
• M18: 21,438,721 km (0.067 R)
• M19: 22,099,345 km (0.111 R)
• M20: 23,001,421 km (0.079 R)
• M21: 24,006,120 km (0.071 R)
• M22: 24,959,208 km (0.095 R)
• M23: 25,690,442 km (0.102 R)
• M24: 26,519,514 km (0.091 R)
• M25: 26,856,109 km (0.068 R)
• M26: 29,472,426 km (0.115 R)
• M27: 30,842,144 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.5

Radius: 12.5

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.57 AU - 5.49 AU

Year: 6539 Days

Day: 14 Hours

Environment

Temp: -222 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,048,500 km

• M1: 156,779 km (0.095 R)
• M2: 708,496 km (0.046 R)
• M3: 1,147,116 km (0.106 R)
• M4: 1,556,865 km (0.11 R)
• M5: 2,580,414 km (0.083 R)
• M6: 5,346,478 km (0.119 R)
• M7: 8,556,549 km (0.04 R)
• M8: 9,719,523 km (0.107 R)
• M9: 12,054,297 km (0.058 R)
• M10: 13,677,285 km (0.111 R)
• M11: 14,342,995 km (0.094 R)
• M12: 20,977,810 km (0.074 R)
• M13: 23,083,550 km (0.117 R)
• M14: 23,552,539 km (0.101 R)
• M15: 24,834,294 km (0.077 R)
• M16: 30,429,254 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.7

Radius: 13.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.89 AU - 5.09 AU

Year: 7560 Days

Day: 11.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,048,500 km

• M1: 168,148 km (0.098 R)
• M2: 1,044,492 km (0.102 R)
• M3: 1,557,763 km (0.103 R)
• M4: 2,256,684 km (0.07 R)
• M5: 2,680,345 km (0.107 R)
• M6: 3,329,450 km (0.105 R)
• M7: 4,745,843 km (0.11 R)
• M8: 5,796,170 km (0.11 R)
• M9: 6,428,370 km (0.047 R)
• M10: 7,443,840 km (0.092 R)
• M11: 8,232,520 km (0.043 R)
• M12: 9,296,161 km (0.068 R)
• M13: 11,035,835 km (0.079 R)
• M14: 12,762,643 km (0.082 R)
• M15: 15,399,156 km (0.092 R)
• M16: 17,279,302 km (0.071 R)
• M17: 20,118,071 km (0.077 R)
• M18: 22,201,521 km (0.088 R)
• M19: 23,918,755 km (0.108 R)
• M20: 24,938,863 km (0.064 R)
• M21: 25,547,277 km (0.102 R)
• M22: 29,697,720 km (0.107 R)
• M23: 32,290,102 km (0.078 R)
• M24: 33,958,417 km (0.118 R)
• M25: 35,355,811 km (0.103 R)
• M26: 36,123,847 km (0.058 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.3

Radius: 12.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.44 AU - 6.12 AU

Year: 8229 Days

Day: 8.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,048,500 km

• M1: 151,991 km (0.11 R)
• M2: 600,336 km (0.09 R)
• M3: 1,066,633 km (0.089 R)
• M4: 1,584,690 km (0.115 R)
• M5: 1,973,495 km (0.08 R)
• M6: 2,848,044 km (0.098 R)
• M7: 4,146,404 km (0.092 R)
• M8: 4,957,973 km (0.087 R)
• M9: 6,495,091 km (0.117 R)
• M10: 7,471,366 km (0.098 R)
• M11: 9,251,731 km (0.094 R)
• M12: 10,289,790 km (0.115 R)
• M13: 14,294,675 km (0.099 R)
• M14: 14,851,329 km (0.051 R)
• M15: 15,486,671 km (0.047 R)
• M16: 16,743,742 km (0.101 R)
• M17: 18,499,871 km (0.091 R)
• M18: 19,310,392 km (0.116 R)
• M19: 19,838,323 km (0.092 R)
• M20: 20,531,261 km (0.034 R)
• M21: 22,210,945 km (0.081 R)
• M22: 25,933,240 km (0.098 R)
• M23: 26,855,062 km (0.109 R)
• M24: 31,794,783 km (0.066 R)
• M25: 36,961,146 km (0.107 R)
• M26: 40,413,715 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.1

Radius: 6.6

Gravity: 22.06 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.5 AU - 5.94 AU

Year: 9279 Days

Day: 20.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,048,500 km

• M1: 83,027 km (0.082 R)
• M2: 567,724 km (0.09 R)
• M3: 1,130,511 km (0.114 R)
• M4: 2,459,987 km (0.098 R)
• M5: 2,834,730 km (0.099 R)
• M6: 3,223,086 km (0.041 R)
• M7: 3,967,036 km (0.104 R)
• M8: 4,603,575 km (0.053 R)
• M9: 4,946,454 km (0.06 R)
• M10: 5,475,581 km (0.104 R)
• M11: 8,152,186 km (0.098 R)
• M12: 8,654,386 km (0.106 R)
• M13: 9,872,711 km (0.116 R)
• M14: 12,705,048 km (0.093 R)
• M15: 13,131,851 km (0.09 R)
• M16: 15,756,695 km (0.064 R)
• M17: 16,249,321 km (0.117 R)
• M18: 17,117,886 km (0.112 R)
• M19: 18,711,552 km (0.094 R)
• M20: 19,423,937 km (0.084 R)
• M21: 20,401,858 km (0.098 R)
• M22: 21,929,402 km (0.068 R)
• M23: 25,787,382 km (0.091 R)
• M24: 28,286,265 km (0.08 R)
• M25: 28,596,531 km (0.087 R)
• M26: 34,225,599 km (0.116 R)
• M27: 43,229,745 km (0.075 R)
• M28: 45,739,848 km (0.056 R)
• M29: 48,789,251 km (0.062 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 10,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit