🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.51 AU - 0.71 AU

Year: 171 Days

Day: 41.5 Hours

Environment

Temp: 216 °C

Axial Tilt: 34 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.48 AU - 0.78 AU

Year: 180 Days

Day: 45.8 Hours

Environment

Temp: 211 °C

Axial Tilt: 5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.79 AU - 1.05 AU

Year: 318 Days

Day: 35.2 Hours

Environment

Temp: 117 °C

Axial Tilt: 80.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,602,658 km

• M1: 354,397 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.86 AU - 1.4 AU

Year: 432 Days

Day: 22.9 Hours

Environment

Temp: 31 °C

Axial Tilt: 24.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 68,602,658 km

• M1: 54,603 km (0.086 R)
• M2: 322,982 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.96 AU - 2.06 AU

Year: 1026 Days

Day: 41.8 Hours

Environment

Temp: -66 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.94 AU - 4.56 AU

Year: 3153 Days

Day: 45.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 68,602,658 km

• M1: 83,775 km (0.114 R)
• M2: 511,625 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.3

Radius: 14.5

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.7 AU - 9.12 AU

Year: 8777 Days

Day: 6 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 68,602,658 km

• M1: 205,398 km (0.046 R)
• M2: 318,494 km (0.116 R)
• M3: 514,018 km (0.119 R)
• M4: 643,570 km (0.096 R)
• M5: 1,061,995 km (0.117 R)
• M6: 1,220,120 km (0.1 R)
• M7: 1,508,246 km (0.092 R)
• M8: 1,633,609 km (0.098 R)
• M9: 1,818,961 km (0.086 R)
• M10: 1,914,404 km (0.104 R)
• M11: 2,293,036 km (0.084 R)
• M12: 2,396,707 km (0.096 R)
• M13: 2,544,660 km (0.106 R)
• M14: 2,717,745 km (0.091 R)
• M15: 2,849,989 km (0.086 R)
• M16: 3,098,471 km (0.076 R)
• M17: 4,112,146 km (0.1 R)
• M18: 4,213,873 km (0.118 R)
• M19: 4,367,959 km (0.039 R)
• M20: 4,761,700 km (0.116 R)
• M21: 5,387,767 km (0.111 R)
• M22: 5,810,232 km (0.11 R)
• M23: 6,657,554 km (0.111 R)
• M24: 6,807,601 km (0.103 R)
• M25: 7,419,007 km (0.117 R)
• M26: 7,921,058 km (0.113 R)
• M27: 8,208,286 km (0.055 R)
• M28: 9,290,925 km (0.104 R)
• M29: 9,492,733 km (0.087 R)
• M30: 10,003,310 km (0.082 R)
• M31: 10,839,114 km (0.072 R)
• M32: 13,669,057 km (0.1 R)
• M33: 13,822,095 km (0.089 R)
• M34: 15,742,184 km (0.12 R)
• M35: 16,023,278 km (0.102 R)
• M36: 16,631,394 km (0.106 R)
• M37: 17,123,271 km (0.11 R)
• M38: 18,079,351 km (0.067 R)
• M39: 19,826,655 km (0.12 R)
• M40: 20,830,307 km (0.113 R)
• M41: 21,227,489 km (0.12 R)
• M42: 22,299,059 km (0.1 R)
• M43: 22,569,681 km (0.047 R)
• M44: 22,841,500 km (0.038 R)
• M45: 23,023,262 km (0.104 R)
• M46: 23,114,367 km (0.037 R)
• M47: 23,617,315 km (0.092 R)
• M48: 24,541,231 km (0.112 R)
• M49: 24,867,355 km (0.118 R)
• M50: 25,712,732 km (0.075 R)
• M51: 26,091,365 km (0.081 R)
• M52: 26,186,359 km (0.105 R)
• M53: 27,673,063 km (0.098 R)
• M54: 29,236,510 km (0.071 R)
• M55: 29,384,463 km (0.059 R)
• M56: 29,483,347 km (0.105 R)
• M57: 29,830,115 km (0.115 R)
• M58: 30,078,597 km (0.115 R)
• M59: 30,979,026 km (0.075 R)
• M60: 33,733,123 km (0.085 R)
• M61: 34,251,629 km (0.098 R)
• M62: 35,034,475 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.2

Radius: 7.4

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 12.65 AU - 14.77 AU

Year: 18270 Days

Day: 19 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 68,602,658 km

• M1: 96,341 km (0.113 R)
• M2: 179,517 km (0.078 R)
• M3: 430,842 km (0.101 R)
• M4: 561,740 km (0.066 R)
• M5: 862,731 km (0.067 R)
• M6: 936,183 km (0.059 R)
• M7: 1,805,198 km (0.072 R)
• M8: 2,195,798 km (0.027 R)
• M9: 2,323,405 km (0.062 R)
• M10: 2,479,585 km (0.072 R)
• M11: 2,857,619 km (0.059 R)
• M12: 3,081,716 km (0.117 R)
• M13: 3,167,286 km (0.109 R)
• M14: 3,428,783 km (0.111 R)
• M15: 3,697,162 km (0.083 R)
• M16: 3,972,422 km (0.109 R)
• M17: 4,159,718 km (0.118 R)
• M18: 4,510,525 km (0.088 R)
• M19: 4,640,526 km (0.101 R)
• M20: 4,870,907 km (0.061 R)
• M21: 5,445,961 km (0.098 R)
• M22: 6,696,599 km (0.086 R)
• M23: 7,564,865 km (0.083 R)
• M24: 8,348,309 km (0.114 R)
• M25: 9,738,522 km (0.077 R)
• M26: 10,288,893 km (0.112 R)
• M27: 11,375,422 km (0.112 R)
• M28: 11,552,696 km (0.077 R)
• M29: 11,775,447 km (0.118 R)
• M30: 12,589,409 km (0.069 R)
• M31: 13,049,422 km (0.111 R)
• M32: 14,414,353 km (0.111 R)
• M33: 14,750,500 km (0.09 R)
• M34: 15,774,796 km (0.082 R)
• M35: 16,771,268 km (0.107 R)
• M36: 16,872,097 km (0.097 R)
• M37: 16,973,075 km (0.119 R)
• M38: 17,480,960 km (0.116 R)
• M39: 18,355,958 km (0.106 R)
• M40: 18,459,779 km (0.085 R)
• M41: 18,877,307 km (0.086 R)
• M42: 18,929,666 km (0.078 R)
• M43: 19,721,487 km (0.107 R)
• M44: 19,881,108 km (0.107 R)
• M45: 20,308,958 km (0.1 R)
• M46: 20,470,225 km (0.049 R)
• M47: 20,685,945 km (0.11 R)
• M48: 21,065,026 km (0.118 R)
• M49: 21,610,759 km (0.09 R)
• M50: 24,180,252 km (0.066 R)
• M51: 28,812,400 km (0.026 R)
• M52: 29,175,175 km (0.114 R)
• M53: 29,722,255 km (0.07 R)
• M54: 30,518,265 km (0.045 R)
• M55: 31,383,539 km (0.115 R)
• M56: 32,319,423 km (0.115 R)
• M57: 33,264,433 km (0.059 R)
• M58: 33,391,142 km (0.07 R)
• M59: 33,708,589 km (0.091 R)
• M60: 33,899,476 km (0.046 R)
• M61: 34,988,249 km (0.096 R)
• M62: 35,634,063 km (0.062 R)
• M63: 36,023,466 km (0.086 R)
• M64: 36,349,141 km (0.052 R)
• M65: 36,675,564 km (0.035 R)
• M66: 37,068,707 km (0.042 R)
• M67: 37,200,054 km (0.118 R)
• M68: 37,265,877 km (0.045 R)
• M69: 38,389,207 km (0.119 R)
• M70: 39,792,286 km (0.116 R)
• M71: 42,236,416 km (0.08 R)
• M72: 43,476,582 km (0.096 R)
• M73: 43,615,110 km (0.098 R)
• M74: 44,101,153 km (0.114 R)
• M75: 44,309,992 km (0.102 R)
• M76: 44,938,452 km (0.074 R)
• M77: 45,218,799 km (0.089 R)
• M78: 45,781,137 km (0.102 R)
• M79: 45,851,598 km (0.103 R)
• M80: 47,695,990 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309

Radius: 5.9

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 13.85 AU - 20.39 AU

Year: 25493 Days

Day: 18.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 68,602,658 km

• M1: 84,672 km (0.117 R)
• M2: 174,880 km (0.098 R)
• M3: 484,248 km (0.113 R)
• M4: 601,234 km (0.11 R)
• M5: 642,224 km (0.094 R)
• M6: 1,235,379 km (0.063 R)
• M7: 1,711,998 km (0.069 R)
• M8: 2,404,935 km (0.092 R)
• M9: 2,642,048 km (0.06 R)
• M10: 2,745,869 km (0.076 R)
• M11: 2,922,095 km (0.11 R)
• M12: 3,029,506 km (0.027 R)
• M13: 3,857,231 km (0.045 R)
• M14: 3,975,264 km (0.102 R)
• M15: 4,418,224 km (0.091 R)
• M16: 4,666,406 km (0.028 R)
• M17: 4,834,405 km (0.108 R)
• M18: 4,876,741 km (0.114 R)
• M19: 5,793,776 km (0.115 R)
• M20: 6,111,073 km (0.063 R)
• M21: 6,294,929 km (0.12 R)
• M22: 6,809,994 km (0.099 R)
• M23: 7,096,624 km (0.114 R)
• M24: 7,387,292 km (0.087 R)
• M25: 8,536,952 km (0.098 R)
• M26: 10,335,866 km (0.071 R)
• M27: 11,844,411 km (0.047 R)
• M28: 12,131,191 km (0.119 R)
• M29: 12,887,707 km (0.079 R)
• M30: 13,480,115 km (0.067 R)
• M31: 13,719,471 km (0.079 R)
• M32: 14,020,612 km (0.104 R)
• M33: 14,629,625 km (0.051 R)
• M34: 14,691,109 km (0.094 R)
• M35: 14,814,079 km (0.073 R)
• M36: 14,937,347 km (0.076 R)
• M37: 15,123,148 km (0.073 R)
• M38: 16,316,640 km (0.076 R)
• M39: 16,635,732 km (0.032 R)
• M40: 16,764,087 km (0.069 R)
• M41: 17,736,174 km (0.091 R)
• M42: 18,262,010 km (0.117 R)
• M43: 19,194,753 km (0.047 R)
• M44: 19,329,242 km (0.081 R)
• M45: 19,396,561 km (0.025 R)
• M46: 19,938,255 km (0.083 R)
• M47: 20,416,369 km (0.12 R)
• M48: 22,013,775 km (0.076 R)
• M49: 23,507,061 km (0.092 R)
• M50: 24,084,360 km (0.105 R)
• M51: 24,739,598 km (0.072 R)
• M52: 24,885,905 km (0.082 R)
• M53: 26,067,429 km (0.117 R)
• M54: 26,589,974 km (0.087 R)
• M55: 26,739,871 km (0.03 R)
• M56: 27,873,524 km (0.082 R)
• M57: 30,579,002 km (0.094 R)
• M58: 32,883,108 km (0.074 R)
• M59: 34,015,414 km (0.049 R)
• M60: 34,749,940 km (0.087 R)
• M61: 35,324,994 km (0.109 R)
• M62: 35,903,040 km (0.086 R)
• M63: 36,151,821 km (0.115 R)
• M64: 36,401,051 km (0.051 R)
• M65: 36,817,831 km (0.101 R)
• M66: 37,320,031 km (0.1 R)
• M67: 37,488,030 km (0.066 R)
• M68: 38,840,245 km (0.058 R)
• M69: 39,351,421 km (0.08 R)
• M70: 39,950,710 km (0.116 R)
• M71: 40,122,448 km (0.077 R)
• M72: 40,552,841 km (0.046 R)
• M73: 41,331,648 km (0.113 R)
• M74: 42,115,241 km (0.106 R)
• M75: 42,202,607 km (0.101 R)
• M76: 43,520,414 km (0.079 R)
• M77: 43,697,239 km (0.075 R)
• M78: 45,746,730 km (0.092 R)
• M79: 46,016,305 km (0.065 R)
• M80: 46,466,894 km (0.101 R)
• M81: 48,283,760 km (0.116 R)
• M82: 49,200,944 km (0.113 R)
• M83: 49,569,404 km (0.047 R)
• M84: 54,727,688 km (0.115 R)
• M85: 58,097,829 km (0.113 R)
• M86: 58,292,456 km (0.103 R)
• M87: 59,562,542 km (0.103 R)
• M88: 59,955,236 km (0.104 R)
• M89: 60,250,393 km (0.108 R)
• M90: 61,931,424 km (0.057 R)
• M91: 65,542,118 km (0.085 R)
• M92: 66,455,413 km (0.089 R)
• M93: 67,066,521 km (0.118 R)
• M94: 67,679,573 km (0.075 R)

Kuiper Belt

Range: 30.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 15,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit