🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.39 AU - 0.63 AU

Year: 232 Days

Day: 42.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,863,480 km

• M1: 226,192 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.57 AU - 0.67 AU

Year: 310 Days

Day: 35.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 18,863,480 km

• M1: 51,013 km (0.107 R)
• M2: 159,023 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.6

Radius: 8.1

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.88 AU - 1 AU

Year: 579 Days

Day: 7.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 18,863,480 km

• M1: 106,962 km (0.115 R)
• M2: 188,793 km (0.103 R)
• M3: 286,031 km (0.085 R)
• M4: 567,126 km (0.074 R)
• M5: 679,922 km (0.036 R)
• M6: 845,677 km (0.085 R)
• M7: 917,933 km (0.113 R)
• M8: 1,046,886 km (0.082 R)
• M9: 1,102,387 km (0.084 R)
• M10: 1,257,520 km (0.097 R)
• M11: 1,334,712 km (0.091 R)
• M12: 1,481,767 km (0.082 R)
• M13: 1,570,030 km (0.113 R)
• M14: 1,673,103 km (0.087 R)
• M15: 1,832,125 km (0.059 R)
• M16: 1,893,011 km (0.066 R)
• M17: 1,982,172 km (0.118 R)
• M18: 2,058,766 km (0.053 R)
• M19: 2,193,404 km (0.098 R)
• M20: 2,323,704 km (0.076 R)
• M21: 2,509,055 km (0.059 R)
• M22: 2,599,712 km (0.098 R)
• M23: 2,823,510 km (0.102 R)
• M24: 3,174,916 km (0.049 R)
• M25: 3,297,885 km (0.046 R)
• M26: 3,523,329 km (0.069 R)
• M27: 3,591,097 km (0.086 R)
• M28: 3,710,775 km (0.114 R)
• M29: 4,006,979 km (0.085 R)
• M30: 4,059,937 km (0.118 R)
• M31: 4,184,701 km (0.081 R)
• M32: 4,256,508 km (0.06 R)
• M33: 4,437,970 km (0.032 R)
• M34: 4,520,548 km (0.112 R)
• M35: 4,705,751 km (0.095 R)
• M36: 4,827,374 km (0.086 R)
• M37: 4,988,191 km (0.055 R)
• M38: 5,305,339 km (0.109 R)
• M39: 5,363,682 km (0.117 R)
• M40: 5,481,116 km (0.078 R)
• M41: 5,579,552 km (0.11 R)
• M42: 5,989,450 km (0.077 R)
• M43: 6,060,509 km (0.087 R)
• M44: 6,162,235 km (0.07 R)
• M45: 6,316,172 km (0.072 R)
• M46: 6,378,105 km (0.086 R)
• M47: 6,481,777 km (0.088 R)
• M48: 6,659,200 km (0.078 R)
• M49: 6,796,082 km (0.11 R)
• M50: 6,955,104 km (0.055 R)
• M51: 7,061,767 km (0.049 R)
• M52: 7,212,113 km (0.098 R)
• M53: 7,266,118 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.3

Radius: 8.8

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.26 AU - 3.56 AU

Year: 3156 Days

Day: 6.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 18,863,480 km

• M1: 115,340 km (0.03 R)
• M2: 262,843 km (0.076 R)
• M3: 325,525 km (0.087 R)
• M4: 419,772 km (0.115 R)
• M5: 619,634 km (0.105 R)
• M6: 816,954 km (0.116 R)
• M7: 1,095,206 km (0.054 R)
• M8: 1,194,539 km (0.117 R)
• M9: 1,297,014 km (0.111 R)
• M10: 1,469,949 km (0.114 R)
• M11: 1,538,614 km (0.049 R)
• M12: 1,794,576 km (0.069 R)
• M13: 1,912,908 km (0.097 R)
• M14: 2,079,710 km (0.048 R)
• M15: 2,427,824 km (0.082 R)
• M16: 3,450,026 km (0.094 R)
• M17: 3,505,228 km (0.112 R)
• M18: 3,823,722 km (0.117 R)
• M19: 4,054,252 km (0.078 R)
• M20: 4,171,237 km (0.117 R)
• M21: 4,368,707 km (0.042 R)
• M22: 4,711,435 km (0.104 R)
• M23: 4,834,554 km (0.11 R)
• M24: 5,125,971 km (0.093 R)
• M25: 5,380,287 km (0.107 R)
• M26: 5,530,633 km (0.065 R)
• M27: 5,595,409 km (0.031 R)
• M28: 5,682,176 km (0.095 R)
• M29: 5,835,364 km (0.072 R)
• M30: 6,056,320 km (0.117 R)
• M31: 6,190,360 km (0.092 R)
• M32: 6,302,708 km (0.059 R)
• M33: 6,575,275 km (0.112 R)
• M34: 6,805,357 km (0.063 R)
• M35: 6,874,920 km (0.08 R)
• M36: 7,014,794 km (0.087 R)
• M37: 7,226,176 km (0.11 R)
• M38: 7,679,607 km (0.047 R)
• M39: 7,897,720 km (0.049 R)
• M40: 8,240,898 km (0.076 R)
• M41: 8,464,098 km (0.098 R)
• M42: 8,639,127 km (0.032 R)
• M43: 8,916,631 km (0.071 R)
• M44: 9,688,108 km (0.034 R)
• M45: 9,818,707 km (0.118 R)
• M46: 10,161,286 km (0.111 R)
• M47: 10,507,754 km (0.109 R)
• M48: 10,912,267 km (0.118 R)
• M49: 11,904,101 km (0.115 R)
• M50: 11,959,901 km (0.094 R)
• M51: 12,354,091 km (0.112 R)
• M52: 12,439,063 km (0.116 R)
• M53: 13,241,805 km (0.099 R)
• M54: 13,299,699 km (0.062 R)
• M55: 13,766,594 km (0.051 R)
• M56: 13,854,708 km (0.08 R)
• M57: 13,972,591 km (0.101 R)
• M58: 14,626,483 km (0.073 R)
• M59: 14,746,461 km (0.104 R)
• M60: 15,687,431 km (0.041 R)
• M61: 16,211,622 km (0.104 R)
• M62: 16,273,556 km (0.094 R)
• M63: 16,522,636 km (0.053 R)
• M64: 16,585,018 km (0.11 R)
• M65: 17,055,952 km (0.117 R)
• M66: 17,404,067 km (0.037 R)
• M67: 17,978,672 km (0.056 R)
• M68: 18,203,817 km (0.077 R)
• M69: 18,365,233 km (0.086 R)
• M70: 19,376,664 km (0.096 R)
• M71: 19,872,581 km (0.115 R)
• M72: 20,506,577 km (0.062 R)
• M73: 20,741,894 km (0.072 R)
• M74: 21,045,728 km (0.075 R)
• M75: 21,726,099 km (0.115 R)
• M76: 22,795,125 km (0.053 R)
• M77: 23,213,401 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.6

Radius: 11.6

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.11 AU - 6.73 AU

Year: 8023 Days

Day: 13.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 18,863,480 km

• M1: 185,501 km (0.06 R)
• M2: 296,952 km (0.066 R)
• M3: 587,770 km (0.031 R)
• M4: 777,460 km (0.097 R)
• M5: 873,352 km (0.109 R)
• M6: 959,072 km (0.091 R)
• M7: 1,116,449 km (0.118 R)
• M8: 1,274,723 km (0.11 R)
• M9: 1,500,766 km (0.114 R)
• M10: 1,587,981 km (0.12 R)
• M11: 1,906,774 km (0.116 R)
• M12: 2,107,984 km (0.077 R)
• M13: 2,306,201 km (0.039 R)
• M14: 3,250,463 km (0.116 R)
• M15: 3,353,386 km (0.098 R)
• M16: 3,562,374 km (0.103 R)
• M17: 3,847,807 km (0.106 R)
• M18: 4,030,017 km (0.068 R)
• M19: 4,153,136 km (0.077 R)
• M20: 4,227,636 km (0.11 R)
• M21: 4,658,029 km (0.078 R)
• M22: 4,839,491 km (0.115 R)
• M23: 5,343,636 km (0.084 R)
• M24: 5,492,785 km (0.082 R)
• M25: 5,795,272 km (0.052 R)
• M26: 5,934,548 km (0.104 R)
• M27: 6,287,748 km (0.118 R)
• M28: 6,647,830 km (0.049 R)
• M29: 6,925,933 km (0.084 R)
• M30: 7,193,114 km (0.046 R)
• M31: 8,107,756 km (0.077 R)
• M32: 8,185,696 km (0.115 R)
• M33: 8,483,994 km (0.033 R)
• M34: 8,563,132 km (0.113 R)
• M35: 9,107,518 km (0.072 R)
• M36: 9,778,914 km (0.104 R)
• M37: 10,078,857 km (0.027 R)
• M38: 11,430,474 km (0.119 R)
• M39: 11,887,795 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.7

Radius: 4.9

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.67 AU - 6.95 AU

Year: 11299 Days

Day: 22.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 18,863,480 km

• M1: 222,751 km (0.088 R)
• M2: 310,116 km (0.11 R)
• M3: 439,369 km (0.102 R)
• M4: 655,538 km (0.03 R)
• M5: 832,811 km (0.097 R)
• M6: 921,972 km (0.118 R)
• M7: 1,003,951 km (0.093 R)
• M8: 1,088,325 km (0.107 R)
• M9: 1,390,512 km (0.048 R)
• M10: 1,581,399 km (0.051 R)
• M11: 2,383,094 km (0.053 R)
• M12: 2,596,869 km (0.098 R)
• M13: 2,982,084 km (0.059 R)
• M14: 3,135,123 km (0.113 R)
• M15: 3,212,465 km (0.117 R)
• M16: 3,306,263 km (0.032 R)
• M17: 3,480,544 km (0.116 R)
• M18: 3,970,926 km (0.048 R)
• M19: 4,396,083 km (0.1 R)
• M20: 4,535,059 km (0.091 R)
• M21: 4,764,243 km (0.079 R)
• M22: 4,925,061 km (0.103 R)
• M23: 6,609,234 km (0.048 R)
• M24: 7,398,063 km (0.08 R)
• M25: 8,821,487 km (0.067 R)
• M26: 9,530,282 km (0.095 R)
• M27: 9,800,904 km (0.101 R)
• M28: 9,891,561 km (0.09 R)
• M29: 12,493,965 km (0.107 R)
• M30: 12,715,819 km (0.115 R)
• M31: 13,844,236 km (0.105 R)
• M32: 13,971,544 km (0.075 R)
• M33: 14,048,138 km (0.033 R)
• M34: 14,562,306 km (0.066 R)
• M35: 15,874,578 km (0.1 R)
• M36: 16,329,356 km (0.111 R)
• M37: 16,652,936 km (0.035 R)
• M38: 17,251,626 km (0.093 R)
• M39: 18,051,526 km (0.075 R)
• M40: 18,554,026 km (0.059 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: 320 - 12,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit