🌌 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 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.42 AU - 0.66 AU

Year: 252 Days

Day: 27.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.55 AU - 0.75 AU

Year: 333 Days

Day: 39.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.6

Radius: 12.1

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.62 AU - 0.82 AU

Year: 388 Days

Day: 14.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 81,866,089 km

• M1: 152,889 km (0.115 R)
• M2: 238,758 km (0.092 R)
• M3: 318,643 km (0.07 R)
• M4: 440,117 km (0.107 R)
• M5: 529,427 km (0.11 R)
• M6: 643,570 km (0.078 R)
• M7: 719,117 km (0.044 R)
• M8: 805,734 km (0.097 R)
• M9: 924,664 km (0.074 R)
• M10: 1,003,353 km (0.062 R)
• M11: 1,123,779 km (0.114 R)
• M12: 1,203,964 km (0.106 R)
• M13: 1,304,942 km (0.08 R)
• M14: 1,471,594 km (0.068 R)
• M15: 1,560,156 km (0.106 R)
• M16: 1,821,504 km (0.086 R)
• M17: 1,976,487 km (0.095 R)
• M18: 2,113,668 km (0.107 R)
• M19: 2,192,058 km (0.114 R)
• M20: 2,288,399 km (0.05 R)
• M21: 2,369,032 km (0.035 R)
• M22: 2,456,397 km (0.045 R)
• M23: 2,544,809 km (0.109 R)
• M24: 2,652,520 km (0.102 R)
• M25: 2,779,977 km (0.102 R)
• M26: 2,884,845 km (0.103 R)
• M27: 3,009,909 km (0.074 R)
• M28: 3,155,917 km (0.108 R)
• M29: 3,369,692 km (0.076 R)
• M30: 3,448,680 km (0.074 R)
• M31: 3,561,626 km (0.078 R)
• M32: 3,750,269 km (0.061 R)
• M33: 3,859,625 km (0.118 R)
• M34: 3,942,353 km (0.099 R)
• M35: 4,279,397 km (0.074 R)
• M36: 4,451,434 km (0.099 R)
• M37: 4,581,884 km (0.08 R)
• M38: 4,832,011 km (0.097 R)
• M39: 4,921,471 km (0.104 R)
• M40: 5,056,558 km (0.062 R)
• M41: 5,230,989 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.3

Radius: 9.7

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.82 AU - 0.88 AU

Year: 498 Days

Day: 6.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 81,866,089 km

• M1: 131,646 km (0.112 R)
• M2: 247,285 km (0.048 R)
• M3: 336,296 km (0.107 R)
• M4: 413,189 km (0.052 R)
• M5: 497,712 km (0.083 R)
• M6: 592,408 km (0.039 R)
• M7: 658,231 km (0.117 R)
• M8: 756,516 km (0.093 R)
• M9: 828,922 km (0.106 R)
• M10: 899,831 km (0.088 R)
• M11: 964,757 km (0.069 R)
• M12: 1,099,544 km (0.087 R)
• M13: 1,169,556 km (0.114 R)
• M14: 1,327,980 km (0.073 R)
• M15: 1,402,779 km (0.059 R)
• M16: 1,581,549 km (0.041 R)
• M17: 1,681,330 km (0.087 R)
• M18: 1,778,120 km (0.064 R)
• M19: 1,940,284 km (0.096 R)
• M20: 2,009,698 km (0.067 R)
• M21: 2,167,823 km (0.119 R)
• M22: 2,251,149 km (0.111 R)
• M23: 2,386,984 km (0.12 R)
• M24: 2,467,467 km (0.045 R)
• M25: 2,625,143 km (0.104 R)
• M26: 2,708,320 km (0.095 R)
• M27: 2,780,276 km (0.073 R)
• M28: 2,877,365 km (0.105 R)
• M29: 3,006,319 km (0.11 R)
• M30: 3,118,517 km (0.073 R)
• M31: 3,219,496 km (0.089 R)
• M32: 3,327,954 km (0.08 R)
• M33: 3,502,685 km (0.084 R)
• M34: 3,620,867 km (0.071 R)
• M35: 3,733,664 km (0.114 R)
• M36: 3,861,271 km (0.111 R)
• M37: 4,010,869 km (0.094 R)
• M38: 4,093,147 km (0.114 R)
• M39: 4,259,650 km (0.048 R)
• M40: 4,421,365 km (0.109 R)
• M41: 4,513,517 km (0.116 R)
• M42: 4,642,471 km (0.094 R)
• M43: 4,874,497 km (0.069 R)
• M44: 4,940,470 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 12.5

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.78 AU - 1.18 AU

Year: 617 Days

Day: 12.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,866,089 km

• M1: 155,582 km (0.078 R)
• M2: 288,574 km (0.042 R)
• M3: 376,987 km (0.103 R)
• M4: 462,108 km (0.083 R)
• M5: 577,897 km (0.05 R)
• M6: 715,527 km (0.086 R)
• M7: 832,363 km (0.088 R)
• M8: 948,600 km (0.052 R)
• M9: 1,058,854 km (0.079 R)
• M10: 1,140,534 km (0.041 R)
• M11: 1,241,513 km (0.091 R)
• M12: 1,367,773 km (0.061 R)
• M13: 1,503,309 km (0.076 R)
• M14: 1,629,270 km (0.114 R)
• M15: 1,754,035 km (0.067 R)
• M16: 1,852,171 km (0.03 R)
• M17: 2,033,933 km (0.062 R)
• M18: 2,211,057 km (0.116 R)
• M19: 2,301,713 km (0.111 R)
• M20: 2,420,793 km (0.089 R)
• M21: 2,603,452 km (0.078 R)
• M22: 2,699,344 km (0.106 R)
• M23: 2,802,267 km (0.112 R)
• M24: 2,889,034 km (0.112 R)
• M25: 3,101,014 km (0.106 R)
• M26: 3,245,376 km (0.036 R)
• M27: 3,385,699 km (0.09 R)
• M28: 3,472,167 km (0.088 R)
• M29: 3,628,496 km (0.049 R)
• M30: 3,742,490 km (0.077 R)
• M31: 3,987,082 km (0.11 R)
• M32: 4,085,219 km (0.115 R)
• M33: 4,197,267 km (0.1 R)
• M34: 4,431,388 km (0.111 R)
• M35: 4,526,233 km (0.096 R)

Asteroid Belt

Center: 5.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.7

Radius: 5.2

Gravity: 34.42 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.07 AU - 10.29 AU

Year: 19149 Days

Day: 19.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 81,866,089 km

• M1: 146,456 km (0.12 R)
• M2: 214,972 km (0.093 R)
• M3: 262,245 km (0.098 R)
• M4: 331,658 km (0.077 R)
• M5: 468,690 km (0.117 R)
• M6: 646,861 km (0.115 R)
• M7: 743,801 km (0.087 R)
• M8: 898,186 km (0.072 R)
• M9: 1,237,025 km (0.115 R)
• M10: 1,389,166 km (0.079 R)
• M11: 1,515,127 km (0.042 R)
• M12: 1,915,601 km (0.103 R)
• M13: 1,950,457 km (0.1 R)
• M14: 2,535,983 km (0.104 R)
• M15: 2,808,251 km (0.094 R)
• M16: 3,130,784 km (0.066 R)
• M17: 3,213,213 km (0.092 R)
• M18: 4,864,474 km (0.077 R)
• M19: 4,912,196 km (0.088 R)
• M20: 6,207,863 km (0.102 R)
• M21: 6,363,744 km (0.073 R)
• M22: 6,732,652 km (0.091 R)
• M23: 6,785,909 km (0.104 R)
• M24: 6,946,577 km (0.109 R)
• M25: 7,054,437 km (0.058 R)
• M26: 8,276,502 km (0.084 R)
• M27: 9,087,771 km (0.091 R)
• M28: 9,264,746 km (0.037 R)
• M29: 9,984,611 km (0.111 R)
• M30: 10,228,605 km (0.111 R)
• M31: 10,722,278 km (0.076 R)
• M32: 11,287,010 km (0.073 R)
• M33: 12,184,597 km (0.107 R)
• M34: 12,641,918 km (0.085 R)
• M35: 13,979,173 km (0.112 R)
• M36: 14,457,737 km (0.104 R)
• M37: 15,360,859 km (0.108 R)
• M38: 15,996,650 km (0.107 R)
• M39: 16,139,067 km (0.097 R)
• M40: 18,103,138 km (0.082 R)
• M41: 18,326,038 km (0.098 R)
• M42: 18,999,977 km (0.115 R)
• M43: 19,226,468 km (0.047 R)
• M44: 19,758,438 km (0.085 R)
• M45: 24,429,482 km (0.083 R)
• M46: 24,840,427 km (0.111 R)
• M47: 24,922,856 km (0.094 R)
• M48: 25,088,012 km (0.062 R)
• M49: 26,590,722 km (0.098 R)
• M50: 26,675,096 km (0.111 R)
• M51: 26,928,664 km (0.042 R)
• M52: 28,812,550 km (0.119 R)
• M53: 28,985,784 km (0.09 R)
• M54: 29,945,455 km (0.101 R)
• M55: 30,473,236 km (0.047 R)
• M56: 32,254,797 km (0.072 R)
• M57: 32,795,743 km (0.069 R)
• M58: 35,545,352 km (0.119 R)
• M59: 38,367,964 km (0.091 R)
• M60: 38,463,408 km (0.056 R)
• M61: 38,845,481 km (0.076 R)
• M62: 38,941,074 km (0.086 R)
• M63: 40,580,218 km (0.111 R)
• M64: 41,848,808 km (0.081 R)
• M65: 42,932,495 km (0.085 R)
• M66: 45,731,919 km (0.104 R)
• M67: 46,949,796 km (0.1 R)
• M68: 48,280,918 km (0.096 R)
• M69: 49,728,427 km (0.096 R)
• M70: 50,248,878 km (0.118 R)
• M71: 51,085,279 km (0.064 R)
• M72: 51,820,852 km (0.087 R)
• M73: 52,454,100 km (0.095 R)
• M74: 53,408,983 km (0.071 R)
• M75: 54,369,401 km (0.072 R)
• M76: 55,120,383 km (0.119 R)
• M77: 55,658,935 km (0.094 R)
• M78: 57,176,157 km (0.098 R)
• M79: 58,377,577 km (0.104 R)
• M80: 60,140,139 km (0.119 R)
• M81: 61,473,505 km (0.093 R)
• M82: 61,585,105 km (0.081 R)
• M83: 62,031,954 km (0.077 R)
• M84: 62,928,943 km (0.09 R)
• M85: 64,849,181 km (0.07 R)
• M86: 65,531,497 km (0.084 R)
• M87: 65,987,770 km (0.094 R)
• M88: 66,102,063 km (0.111 R)
• M89: 66,559,533 km (0.059 R)
• M90: 67,938,377 km (0.079 R)
• M91: 68,284,696 km (0.108 R)
• M92: 70,374,130 km (0.076 R)
• M93: 71,075,295 km (0.104 R)
• M94: 71,192,280 km (0.114 R)
• M95: 73,192,553 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 16,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit