🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.53 AU - 0.67 AU

Year: 305 Days

Day: 23.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.8

Radius: 8

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.88 AU - 1.18 AU

Year: 686 Days

Day: 14.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 13,142,000 km

• M1: 104,719 km (0.112 R)
• M2: 155,133 km (0.097 R)
• M3: 216,618 km (0.097 R)
• M4: 297,999 km (0.107 R)
• M5: 400,025 km (0.118 R)
• M6: 466,147 km (0.111 R)
• M7: 637,885 km (0.063 R)
• M8: 780,452 km (0.112 R)
• M9: 876,195 km (0.117 R)
• M10: 965,505 km (0.056 R)
• M11: 1,025,045 km (0.101 R)
• M12: 1,097,001 km (0.116 R)
• M13: 1,211,144 km (0.046 R)
• M14: 1,287,439 km (0.077 R)
• M15: 1,408,314 km (0.119 R)
• M16: 1,551,928 km (0.12 R)
• M17: 1,766,452 km (0.08 R)
• M18: 1,819,858 km (0.095 R)
• M19: 1,901,239 km (0.094 R)
• M20: 1,983,668 km (0.077 R)
• M21: 2,216,891 km (0.118 R)
• M22: 2,347,789 km (0.089 R)
• M23: 2,399,400 km (0.108 R)
• M24: 2,496,340 km (0.111 R)
• M25: 2,756,042 km (0.1 R)
• M26: 2,841,911 km (0.1 R)
• M27: 2,944,535 km (0.073 R)
• M28: 3,032,498 km (0.079 R)
• M29: 3,105,053 km (0.11 R)
• M30: 3,350,992 km (0.116 R)
• M31: 3,434,468 km (0.103 R)
• M32: 3,569,405 km (0.088 R)
• M33: 3,688,934 km (0.072 R)
• M34: 3,749,222 km (0.08 R)
• M35: 4,162,561 km (0.051 R)
• M36: 4,379,178 km (0.103 R)
• M37: 4,461,457 km (0.115 R)
• M38: 4,918,030 km (0.057 R)
• M39: 5,060,896 km (0.108 R)
• M40: 5,205,108 km (0.112 R)
• M41: 5,263,152 km (0.08 R)
• M42: 5,399,436 km (0.084 R)
• M43: 5,606,031 km (0.108 R)
• M44: 5,695,490 km (0.098 R)
• M45: 5,805,295 km (0.074 R)
• M46: 5,936,193 km (0.047 R)
• M47: 5,986,757 km (0.062 R)
• M48: 6,037,471 km (0.096 R)
• M49: 6,169,865 km (0.112 R)
• M50: 6,231,350 km (0.112 R)
• M51: 6,406,828 km (0.083 R)
• M52: 6,489,855 km (0.089 R)
• M53: 6,646,633 km (0.088 R)
• M54: 6,804,609 km (0.089 R)
• M55: 6,953,159 km (0.103 R)
• M56: 7,038,580 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.2

Radius: 14.5

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.51 AU - 1.53 AU

Year: 1229 Days

Day: 9.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 13,142,000 km

• M1: 184,903 km (0.1 R)
• M2: 295,157 km (0.03 R)
• M3: 434,432 km (0.079 R)
• M4: 528,230 km (0.036 R)
• M5: 625,020 km (0.085 R)
• M6: 798,254 km (0.059 R)
• M7: 921,523 km (0.113 R)
• M8: 1,264,401 km (0.081 R)
• M9: 1,402,779 km (0.051 R)
• M10: 1,510,041 km (0.109 R)
• M11: 1,629,719 km (0.058 R)
• M12: 1,781,411 km (0.09 R)
• M13: 1,998,328 km (0.079 R)
• M14: 2,099,905 km (0.113 R)
• M15: 2,287,202 km (0.057 R)
• M16: 2,404,487 km (0.105 R)
• M17: 2,623,199 km (0.061 R)
• M18: 2,746,318 km (0.053 R)
• M19: 2,837,124 km (0.059 R)
• M20: 3,104,156 km (0.112 R)
• M21: 3,199,001 km (0.059 R)
• M22: 3,452,569 km (0.091 R)
• M23: 4,031,513 km (0.064 R)
• M24: 4,332,504 km (0.103 R)
• M25: 4,506,037 km (0.095 R)
• M26: 4,600,284 km (0.115 R)
• M27: 4,763,645 km (0.081 R)
• M28: 5,379,390 km (0.091 R)
• M29: 5,609,471 km (0.055 R)
• M30: 5,740,519 km (0.107 R)
• M31: 5,916,596 km (0.059 R)
• M32: 6,169,416 km (0.064 R)
• M33: 6,274,434 km (0.066 R)
• M34: 6,456,046 km (0.102 R)
• M35: 6,547,600 km (0.095 R)
• M36: 6,809,097 km (0.114 R)
• M37: 7,279,133 km (0.097 R)
• M38: 7,662,852 km (0.066 R)
• M39: 8,283,832 km (0.078 R)
• M40: 8,500,151 km (0.064 R)
• M41: 8,634,041 km (0.116 R)
• M42: 9,297,508 km (0.067 R)
• M43: 9,418,383 km (0.105 R)
• M44: 9,626,773 km (0.028 R)
• M45: 9,819,155 km (0.088 R)
• M46: 9,942,125 km (0.072 R)
• M47: 10,243,265 km (0.055 R)
• M48: 10,493,543 km (0.109 R)
• M49: 10,673,509 km (0.053 R)
• M50: 11,091,336 km (0.087 R)
• M51: 11,514,548 km (0.109 R)
• M52: 11,793,548 km (0.093 R)
• M53: 11,999,544 km (0.084 R)
• M54: 12,225,587 km (0.096 R)
• M55: 12,320,282 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.7

Radius: 12.2

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.6 AU - 2.32 AU

Year: 1800 Days

Day: 7.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 13,142,000 km

• M1: 168,746 km (0.047 R)
• M2: 998,715 km (0.097 R)
• M3: 1,086,529 km (0.045 R)
• M4: 1,177,036 km (0.096 R)
• M5: 1,253,181 km (0.081 R)
• M6: 1,392,906 km (0.065 R)
• M7: 1,492,239 km (0.078 R)
• M8: 2,014,784 km (0.109 R)
• M9: 2,097,063 km (0.102 R)
• M10: 2,201,482 km (0.11 R)
• M11: 2,459,239 km (0.059 R)
• M12: 2,818,573 km (0.059 R)
• M13: 2,911,025 km (0.096 R)
• M14: 3,182,695 km (0.11 R)
• M15: 3,376,574 km (0.053 R)
• M16: 3,700,154 km (0.117 R)
• M17: 3,878,624 km (0.108 R)
• M18: 4,086,116 km (0.029 R)
• M19: 4,297,348 km (0.072 R)
• M20: 4,525,784 km (0.027 R)
• M21: 5,036,811 km (0.097 R)
• M22: 5,292,174 km (0.074 R)
• M23: 5,378,193 km (0.074 R)
• M24: 5,860,048 km (0.084 R)
• M25: 5,949,208 km (0.098 R)
• M26: 6,038,817 km (0.068 R)
• M27: 6,432,110 km (0.085 R)
• M28: 6,755,989 km (0.078 R)
• M29: 7,148,684 km (0.069 R)
• M30: 7,227,971 km (0.072 R)
• M31: 7,564,865 km (0.118 R)
• M32: 7,743,335 km (0.114 R)
• M33: 7,923,302 km (0.076 R)
• M34: 8,071,404 km (0.095 R)
• M35: 8,303,879 km (0.069 R)
• M36: 8,572,257 km (0.064 R)
• M37: 8,724,548 km (0.09 R)
• M38: 8,997,414 km (0.115 R)
• M39: 9,117,691 km (0.042 R)
• M40: 9,255,770 km (0.074 R)
• M41: 9,394,597 km (0.052 R)
• M42: 9,885,876 km (0.12 R)
• M43: 10,385,683 km (0.111 R)
• M44: 10,475,740 km (0.095 R)
• M45: 10,566,098 km (0.09 R)
• M46: 10,711,208 km (0.087 R)
• M47: 10,820,564 km (0.086 R)
• M48: 10,911,968 km (0.09 R)
• M49: 11,150,726 km (0.049 R)
• M50: 11,354,179 km (0.054 R)
• M51: 11,614,779 km (0.098 R)
• M52: 11,745,826 km (0.058 R)
• M53: 12,085,114 km (0.053 R)
• M54: 12,715,669 km (0.117 R)
• M55: 13,025,337 km (0.111 R)
• M56: 13,122,576 km (0.11 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: 440 - 19,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit