🌌 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: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.49 AU - 0.71 AU

Year: 300 Days

Day: 43 Hours

Environment

Temp: -128 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,314,220 km

• M1: 44,580 km (0.075 R)
• M2: 486,941 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.6

Radius: 14

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.64 AU - 0.76 AU

Year: 378 Days

Day: 12.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 35,314,220 km

• M1: 175,777 km (0.089 R)
• M2: 315,502 km (0.101 R)
• M3: 437,873 km (0.089 R)
• M4: 567,874 km (0.106 R)
• M5: 657,034 km (0.05 R)
• M6: 852,708 km (0.088 R)
• M7: 985,850 km (0.079 R)
• M8: 1,081,593 km (0.076 R)
• M9: 1,257,520 km (0.049 R)
• M10: 1,358,199 km (0.096 R)
• M11: 1,479,972 km (0.111 R)
• M12: 1,619,995 km (0.06 R)
• M13: 1,735,485 km (0.086 R)
• M14: 1,843,794 km (0.114 R)
• M15: 1,985,164 km (0.12 R)
• M16: 2,072,828 km (0.076 R)
• M17: 2,475,546 km (0.092 R)
• M18: 2,621,104 km (0.117 R)
• M19: 2,792,843 km (0.111 R)
• M20: 2,891,727 km (0.057 R)
• M21: 3,063,316 km (0.111 R)
• M22: 3,153,523 km (0.082 R)
• M23: 3,318,081 km (0.026 R)
• M24: 3,435,515 km (0.091 R)
• M25: 3,573,444 km (0.118 R)
• M26: 3,745,183 km (0.114 R)
• M27: 3,991,720 km (0.071 R)
• M28: 4,084,022 km (0.106 R)
• M29: 4,203,551 km (0.085 R)
• M30: 4,297,498 km (0.107 R)
• M31: 4,385,312 km (0.117 R)
• M32: 4,714,726 km (0.061 R)
• M33: 4,833,358 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.8

Radius: 13.8

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.2 AU - 3.74 AU

Year: 4174 Days

Day: 6.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 35,314,220 km

• M1: 172,337 km (0.049 R)
• M2: 353,201 km (0.073 R)
• M3: 458,817 km (0.091 R)
• M4: 554,111 km (0.12 R)
• M5: 694,583 km (0.096 R)
• M6: 789,578 km (0.114 R)
• M7: 941,419 km (0.109 R)
• M8: 1,160,730 km (0.083 R)
• M9: 1,276,967 km (0.081 R)
• M10: 1,676,843 km (0.118 R)
• M11: 1,810,134 km (0.072 R)
• M12: 1,974,692 km (0.07 R)
• M13: 2,087,489 km (0.112 R)
• M14: 2,246,062 km (0.095 R)
• M15: 2,484,073 km (0.093 R)
• M16: 2,652,669 km (0.079 R)
• M17: 3,082,913 km (0.109 R)
• M18: 3,535,596 km (0.1 R)
• M19: 3,761,190 km (0.054 R)
• M20: 3,849,153 km (0.111 R)
• M21: 4,045,426 km (0.114 R)
• M22: 4,135,633 km (0.115 R)
• M23: 4,616,141 km (0.114 R)
• M24: 4,729,686 km (0.112 R)
• M25: 4,863,277 km (0.118 R)
• M26: 5,173,394 km (0.057 R)
• M27: 5,370,564 km (0.087 R)
• M28: 5,570,277 km (0.067 R)
• M29: 5,833,569 km (0.1 R)
• M30: 6,309,589 km (0.1 R)
• M31: 6,563,008 km (0.105 R)
• M32: 6,971,111 km (0.066 R)
• M33: 7,145,393 km (0.045 R)
• M34: 7,654,773 km (0.07 R)
• M35: 7,812,150 km (0.065 R)
• M36: 7,993,313 km (0.103 R)
• M37: 8,221,749 km (0.11 R)
• M38: 8,920,222 km (0.109 R)
• M39: 9,014,768 km (0.031 R)
• M40: 9,300,649 km (0.107 R)
• M41: 9,541,053 km (0.092 R)
• M42: 9,662,078 km (0.116 R)
• M43: 10,175,797 km (0.111 R)
• M44: 10,473,497 km (0.104 R)
• M45: 10,900,000 km (0.056 R)
• M46: 11,692,719 km (0.103 R)
• M47: 12,796,153 km (0.102 R)
• M48: 12,929,744 km (0.092 R)
• M49: 14,015,226 km (0.085 R)
• M50: 14,429,762 km (0.11 R)
• M51: 14,680,488 km (0.054 R)
• M52: 15,242,826 km (0.099 R)
• M53: 15,526,613 km (0.117 R)
• M54: 16,157,168 km (0.105 R)
• M55: 16,301,680 km (0.098 R)
• M56: 16,388,596 km (0.118 R)
• M57: 16,650,243 km (0.071 R)
• M58: 16,883,915 km (0.089 R)
• M59: 17,384,320 km (0.112 R)
• M60: 17,473,031 km (0.028 R)
• M61: 17,740,363 km (0.079 R)
• M62: 18,189,007 km (0.101 R)
• M63: 18,580,804 km (0.068 R)
• M64: 19,036,329 km (0.095 R)
• M65: 20,237,899 km (0.059 R)
• M66: 20,487,428 km (0.056 R)
• M67: 20,612,642 km (0.095 R)
• M68: 21,021,044 km (0.117 R)
• M69: 21,178,870 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.9

Radius: 9.3

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.86 AU - 6.04 AU

Year: 8215 Days

Day: 14.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 35,314,220 km

• M1: 215,271 km (0.111 R)
• M2: 307,723 km (0.095 R)
• M3: 407,804 km (0.088 R)
• M4: 620,083 km (0.045 R)
• M5: 809,923 km (0.105 R)
• M6: 897,288 km (0.048 R)
• M7: 987,944 km (0.048 R)
• M8: 1,452,745 km (0.083 R)
• M9: 1,560,605 km (0.046 R)
• M10: 1,765,554 km (0.082 R)
• M11: 2,263,565 km (0.102 R)
• M12: 2,496,190 km (0.103 R)
• M13: 3,358,771 km (0.098 R)
• M14: 3,897,324 km (0.094 R)
• M15: 4,099,879 km (0.095 R)
• M16: 4,202,503 km (0.031 R)
• M17: 4,279,995 km (0.078 R)
• M18: 4,489,133 km (0.106 R)
• M19: 4,782,046 km (0.116 R)
• M20: 5,053,865 km (0.093 R)
• M21: 5,163,969 km (0.073 R)
• M22: 5,274,971 km (0.059 R)
• M23: 5,414,845 km (0.053 R)
• M24: 5,584,189 km (0.1 R)
• M25: 5,669,610 km (0.061 R)
• M26: 6,308,991 km (0.075 R)
• M27: 6,397,852 km (0.104 R)
• M28: 6,788,303 km (0.113 R)
• M29: 7,155,565 km (0.119 R)
• M30: 7,310,399 km (0.104 R)
• M31: 7,372,781 km (0.052 R)
• M32: 7,592,242 km (0.051 R)
• M33: 7,781,932 km (0.089 R)
• M34: 8,101,772 km (0.085 R)
• M35: 8,360,875 km (0.089 R)
• M36: 8,655,434 km (0.119 R)
• M37: 8,721,406 km (0.118 R)
• M38: 9,423,918 km (0.077 R)
• M39: 9,662,227 km (0.034 R)
• M40: 9,867,924 km (0.061 R)
• M41: 10,423,830 km (0.078 R)
• M42: 11,061,416 km (0.095 R)
• M43: 11,276,687 km (0.103 R)
• M44: 11,821,074 km (0.054 R)
• M45: 13,048,674 km (0.077 R)
• M46: 13,390,505 km (0.089 R)
• M47: 14,590,430 km (0.08 R)
• M48: 15,623,254 km (0.076 R)
• M49: 15,905,246 km (0.119 R)
• M50: 16,885,112 km (0.09 R)
• M51: 17,174,584 km (0.092 R)
• M52: 17,257,610 km (0.116 R)
• M53: 17,424,113 km (0.097 R)
• M54: 17,674,689 km (0.118 R)
• M55: 18,095,059 km (0.118 R)
• M56: 18,646,477 km (0.115 R)
• M57: 18,774,533 km (0.104 R)
• M58: 19,983,732 km (0.106 R)
• M59: 21,799,252 km (0.106 R)
• M60: 21,979,218 km (0.065 R)
• M61: 22,159,783 km (0.097 R)
• M62: 22,658,542 km (0.07 R)
• M63: 24,083,911 km (0.099 R)
• M64: 25,018,897 km (0.092 R)
• M65: 25,207,241 km (0.099 R)
• M66: 26,876,005 km (0.088 R)
• M67: 27,602,154 km (0.098 R)
• M68: 28,974,714 km (0.114 R)
• M69: 29,172,482 km (0.098 R)
• M70: 29,519,998 km (0.073 R)
• M71: 30,168,655 km (0.094 R)
• M72: 30,469,795 km (0.096 R)
• M73: 30,620,590 km (0.081 R)
• M74: 30,822,248 km (0.108 R)
• M75: 30,973,641 km (0.074 R)
• M76: 31,429,615 km (0.097 R)
• M77: 32,656,168 km (0.06 R)
• M78: 34,159,028 km (0.079 R)
• M79: 34,368,166 km (0.084 R)
• M80: 34,892,656 km (0.074 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 17,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit