🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.51 AU - 0.69 AU

Year: 174 Days

Day: 41.6 Hours

Environment

Temp: 137 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.5 AU - 0.74 AU

Year: 183 Days

Day: 35.1 Hours

Environment

Temp: 139 °C

Axial Tilt: 49.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 34,304,545 km

• M1: 175,927 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.57 AU - 0.71 AU

Year: 192 Days

Day: 39.6 Hours

Environment

Temp: 205 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.68 AU - 0.82 AU

Year: 243 Days

Day: 24 Hours

Environment

Temp: 181 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 34,304,545 km

• M1: 324,179 km (0.072 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.58 AU - 0.92 AU

Year: 243 Days

Day: 15.2 Hours

Environment

Temp: 182 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.87 AU - 0.87 AU

Year: 304 Days

Day: 42.1 Hours

Environment

Temp: 39 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 7 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.4

Radius: 14

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.45 AU - 8.05 AU

Year: 7315 Days

Day: 6 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 34,304,545 km

• M1: 199,115 km (0.114 R)
• M2: 515,664 km (0.108 R)
• M3: 609,163 km (0.09 R)
• M4: 709,842 km (0.088 R)
• M5: 914,492 km (0.068 R)
• M6: 1,068,578 km (0.093 R)
• M7: 1,365,380 km (0.108 R)
• M8: 1,544,448 km (0.092 R)
• M9: 1,774,231 km (0.112 R)
• M10: 2,038,121 km (0.114 R)
• M11: 3,061,371 km (0.083 R)
• M12: 3,166,389 km (0.119 R)
• M13: 3,737,703 km (0.103 R)
• M14: 4,639,479 km (0.077 R)
• M15: 4,975,476 km (0.114 R)
• M16: 5,671,255 km (0.096 R)
• M17: 6,230,003 km (0.038 R)
• M18: 6,465,321 km (0.056 R)
• M19: 6,979,489 km (0.048 R)
• M20: 7,400,307 km (0.1 R)
• M21: 7,542,425 km (0.096 R)
• M22: 7,865,706 km (0.117 R)
• M23: 8,156,824 km (0.087 R)
• M24: 8,414,581 km (0.114 R)
• M25: 9,013,721 km (0.106 R)
• M26: 9,510,685 km (0.095 R)
• M27: 9,743,160 km (0.117 R)
• M28: 9,899,190 km (0.084 R)
• M29: 11,504,824 km (0.108 R)
• M30: 11,752,558 km (0.096 R)
• M31: 12,464,345 km (0.092 R)
• M32: 12,804,082 km (0.076 R)
• M33: 12,975,222 km (0.087 R)
• M34: 13,449,597 km (0.082 R)
• M35: 13,929,656 km (0.107 R)
• M36: 14,682,582 km (0.081 R)
• M37: 14,906,680 km (0.1 R)
• M38: 15,403,494 km (0.11 R)
• M39: 15,631,033 km (0.096 R)
• M40: 15,951,621 km (0.082 R)
• M41: 17,020,348 km (0.099 R)
• M42: 17,920,628 km (0.077 R)
• M43: 18,982,324 km (0.059 R)
• M44: 20,663,056 km (0.107 R)
• M45: 20,813,701 km (0.056 R)
• M46: 21,623,026 km (0.094 R)
• M47: 24,483,038 km (0.11 R)
• M48: 25,283,387 km (0.111 R)
• M49: 25,390,798 km (0.103 R)
• M50: 25,552,214 km (0.092 R)
• M51: 25,875,944 km (0.079 R)
• M52: 26,527,442 km (0.08 R)
• M53: 27,239,528 km (0.114 R)
• M54: 27,459,886 km (0.035 R)
• M55: 27,846,896 km (0.12 R)
• M56: 27,957,748 km (0.033 R)
• M57: 29,809,021 km (0.082 R)
• M58: 30,263,799 km (0.075 R)
• M59: 30,778,116 km (0.053 R)
• M60: 31,584,000 km (0.081 R)
• M61: 31,757,534 km (0.081 R)
• M62: 33,865,368 km (0.077 R)
• M63: 34,102,331 km (0.114 R)
• M64: 34,816,511 km (0.117 R)
• M65: 35,355,512 km (0.06 R)
• M66: 35,595,916 km (0.119 R)
• M67: 36,078,369 km (0.057 R)
• M68: 36,259,831 km (0.115 R)
• M69: 36,441,593 km (0.103 R)
• M70: 36,563,066 km (0.113 R)
• M71: 36,806,163 km (0.103 R)
• M72: 37,049,857 km (0.098 R)
• M73: 37,416,372 km (0.111 R)
• M74: 37,600,078 km (0.112 R)
• M75: 40,894,822 km (0.094 R)
• M76: 41,273,604 km (0.114 R)
• M77: 42,353,252 km (0.111 R)
• M78: 42,672,493 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.2

Radius: 10

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.81 AU - 9.93 AU

Year: 9074 Days

Day: 7.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 34,304,545 km

• M1: 131,796 km (0.047 R)
• M2: 596,896 km (0.042 R)
• M3: 834,906 km (0.083 R)
• M4: 938,727 km (0.113 R)
• M5: 1,089,072 km (0.079 R)
• M6: 1,819,858 km (0.096 R)
• M7: 1,888,224 km (0.069 R)
• M8: 2,062,805 km (0.055 R)
• M9: 2,579,815 km (0.083 R)
• M10: 2,656,858 km (0.084 R)
• M11: 2,833,384 km (0.1 R)
• M12: 2,912,970 km (0.09 R)
• M13: 3,013,649 km (0.102 R)
• M14: 3,218,598 km (0.085 R)
• M15: 3,322,718 km (0.099 R)
• M16: 3,707,185 km (0.065 R)
• M17: 4,356,290 km (0.071 R)
• M18: 4,541,642 km (0.055 R)
• M19: 4,635,290 km (0.109 R)
• M20: 4,800,745 km (0.038 R)
• M21: 5,113,106 km (0.108 R)
• M22: 5,210,643 km (0.107 R)
• M23: 5,632,061 km (0.071 R)
• M24: 6,038,668 km (0.111 R)
• M25: 6,297,622 km (0.114 R)
• M26: 6,454,849 km (0.089 R)
• M27: 6,666,380 km (0.04 R)
• M28: 7,069,247 km (0.078 R)
• M29: 7,870,643 km (0.087 R)
• M30: 7,955,316 km (0.079 R)
• M31: 8,068,412 km (0.047 R)
• M32: 8,671,740 km (0.104 R)
• M33: 9,022,846 km (0.119 R)
• M34: 9,769,639 km (0.117 R)
• M35: 9,890,962 km (0.119 R)
• M36: 10,257,926 km (0.114 R)
• M37: 11,194,857 km (0.037 R)
• M38: 11,385,595 km (0.112 R)
• M39: 12,061,478 km (0.091 R)
• M40: 12,159,016 km (0.118 R)
• M41: 12,322,377 km (0.042 R)
• M42: 12,486,336 km (0.095 R)
• M43: 12,552,159 km (0.085 R)
• M44: 12,949,491 km (0.118 R)
• M45: 13,418,331 km (0.118 R)
• M46: 13,485,799 km (0.073 R)
• M47: 13,756,571 km (0.066 R)
• M48: 14,927,624 km (0.111 R)
• M49: 14,997,486 km (0.117 R)
• M50: 15,702,241 km (0.073 R)
• M51: 15,951,621 km (0.106 R)
• M52: 16,562,279 km (0.065 R)
• M53: 16,925,204 km (0.093 R)
• M54: 17,548,129 km (0.108 R)
• M55: 17,621,881 km (0.038 R)
• M56: 18,178,535 km (0.103 R)
• M57: 19,043,211 km (0.063 R)
• M58: 19,156,905 km (0.116 R)
• M59: 19,614,375 km (0.113 R)
• M60: 19,882,754 km (0.116 R)
• M61: 20,113,883 km (0.076 R)
• M62: 20,617,728 km (0.09 R)
• M63: 22,193,592 km (0.057 R)
• M64: 22,393,305 km (0.106 R)
• M65: 22,875,160 km (0.088 R)
• M66: 23,889,882 km (0.077 R)
• M67: 24,012,553 km (0.077 R)
• M68: 24,094,532 km (0.085 R)
• M69: 25,836,899 km (0.078 R)
• M70: 26,004,897 km (0.096 R)
• M71: 26,850,723 km (0.063 R)
• M72: 26,978,330 km (0.108 R)
• M73: 27,963,582 km (0.111 R)
• M74: 28,049,750 km (0.083 R)
• M75: 28,439,004 km (0.06 R)
• M76: 28,655,921 km (0.082 R)
• M77: 28,829,903 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.3

Radius: 11.6

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.37 AU - 11.23 AU

Year: 10628 Days

Day: 5.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 34,304,545 km

• M1: 183,706 km (0.085 R)
• M2: 287,527 km (0.116 R)
• M3: 407,355 km (0.116 R)
• M4: 697,276 km (0.064 R)
• M5: 874,100 km (0.08 R)
• M6: 1,208,302 km (0.041 R)
• M7: 1,708,557 km (0.111 R)
• M8: 2,010,895 km (0.08 R)
• M9: 3,222,637 km (0.084 R)
• M10: 3,455,112 km (0.108 R)
• M11: 3,573,594 km (0.115 R)
• M12: 3,863,215 km (0.094 R)
• M13: 4,363,171 km (0.078 R)
• M14: 4,465,646 km (0.089 R)
• M15: 4,594,899 km (0.096 R)
• M16: 4,857,144 km (0.039 R)
• M17: 4,963,508 km (0.088 R)
• M18: 5,043,692 km (0.057 R)
• M19: 5,151,403 km (0.094 R)
• M20: 5,232,634 km (0.064 R)
• M21: 5,369,068 km (0.097 R)
• M22: 5,813,523 km (0.107 R)
• M23: 6,767,808 km (0.115 R)
• M24: 7,006,416 km (0.1 R)
• M25: 7,278,236 km (0.078 R)
• M26: 8,592,453 km (0.105 R)
• M27: 8,689,093 km (0.113 R)
• M28: 9,475,679 km (0.114 R)
• M29: 10,012,585 km (0.119 R)
• M30: 10,250,596 km (0.11 R)
• M31: 11,398,011 km (0.12 R)
• M32: 11,646,643 km (0.068 R)
• M33: 13,964,064 km (0.11 R)
• M34: 14,115,905 km (0.098 R)
• M35: 14,230,198 km (0.1 R)
• M36: 14,497,978 km (0.101 R)
• M37: 15,077,521 km (0.091 R)
• M38: 15,194,357 km (0.056 R)
• M39: 15,546,660 km (0.057 R)
• M40: 15,704,036 km (0.101 R)
• M41: 15,822,518 km (0.094 R)
• M42: 15,901,655 km (0.07 R)
• M43: 16,619,575 km (0.081 R)
• M44: 17,266,736 km (0.117 R)
• M45: 17,429,798 km (0.077 R)
• M46: 17,511,478 km (0.107 R)
• M47: 17,798,556 km (0.114 R)
• M48: 18,294,324 km (0.09 R)
• M49: 18,627,328 km (0.118 R)
• M50: 18,836,466 km (0.116 R)
• M51: 19,595,975 km (0.103 R)
• M52: 20,494,609 km (0.073 R)
• M53: 20,580,927 km (0.065 R)
• M54: 20,753,862 km (0.103 R)
• M55: 21,450,390 km (0.111 R)
• M56: 22,110,565 km (0.105 R)
• M57: 22,243,259 km (0.086 R)
• M58: 22,376,401 km (0.041 R)
• M59: 22,465,262 km (0.086 R)
• M60: 23,000,972 km (0.074 R)
• M61: 23,767,063 km (0.076 R)
• M62: 23,948,525 km (0.06 R)
• M63: 24,633,234 km (0.107 R)
• M64: 24,816,940 km (0.112 R)
• M65: 25,509,728 km (0.072 R)
• M66: 26,115,300 km (0.107 R)
• M67: 26,631,413 km (0.08 R)
• M68: 27,056,271 km (0.112 R)
• M69: 28,440,201 km (0.03 R)
• M70: 28,584,712 km (0.119 R)
• M71: 29,068,063 km (0.025 R)
• M72: 29,749,481 km (0.079 R)
• M73: 29,896,087 km (0.106 R)
• M74: 30,386,768 km (0.051 R)
• M75: 30,534,571 km (0.106 R)
• M76: 32,175,211 km (0.113 R)
• M77: 32,930,381 km (0.093 R)
• M78: 33,538,795 km (0.108 R)
• M79: 33,691,535 km (0.068 R)
• M80: 33,895,437 km (0.102 R)
• M81: 33,997,612 km (0.076 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 16,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit