🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.83 AU - 0.95 AU

Year: 292 Days

Day: 36.1 Hours

Environment

Temp: 98 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 63,137,128 km

• M1: 140,622 km (0.11 R)
• M2: 193,879 km (0.07 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.09 AU - 1.55 AU

Year: 528 Days

Day: 12 Hours

Environment

Temp: 19 °C

Axial Tilt: 24.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 63,137,128 km

• M1: 220,358 km (0.066 R)
• M2: 490,681 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.62 AU - 1.78 AU

Year: 772 Days

Day: 26.6 Hours

Environment

Temp: -29 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.68 AU - 2.2 AU

Year: 941 Days

Day: 21.8 Hours

Environment

Temp: -48 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.5 AU - 2.54 AU

Year: 1393 Days

Day: 34.6 Hours

Environment

Temp: -69 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.35 AU - 3.65 AU

Year: 2280 Days

Day: 37.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.69 AU - 6.37 AU

Year: 4529 Days

Day: 16.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,137,128 km

• M1: 2,254,440 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.7

Radius: 3.6

Gravity: 73.36 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 14.39 AU - 14.83 AU

Year: 19448 Days

Day: 18 Hours

Environment

Temp: -187 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 63,137,128 km

• M1: 128,056 km (0.07 R)
• M2: 229,334 km (0.104 R)
• M3: 434,881 km (0.093 R)
• M4: 1,148,164 km (0.12 R)
• M5: 1,268,440 km (0.096 R)
• M6: 1,586,785 km (0.105 R)
• M7: 1,619,846 km (0.074 R)
• M8: 2,035,728 km (0.115 R)
• M9: 2,218,237 km (0.061 R)
• M10: 2,330,286 km (0.119 R)
• M11: 2,797,031 km (0.077 R)
• M12: 2,918,056 km (0.09 R)
• M13: 2,999,886 km (0.073 R)
• M14: 3,724,389 km (0.095 R)
• M15: 3,857,531 km (0.11 R)
• M16: 4,594,450 km (0.066 R)
• M17: 5,273,774 km (0.05 R)
• M18: 6,192,305 km (0.103 R)
• M19: 6,831,536 km (0.073 R)
• M20: 8,229,379 km (0.106 R)
• M21: 8,287,124 km (0.059 R)
• M22: 8,345,018 km (0.083 R)
• M23: 8,519,300 km (0.029 R)
• M24: 9,711,894 km (0.081 R)
• M25: 9,956,636 km (0.088 R)
• M26: 11,855,631 km (0.077 R)
• M27: 11,986,230 km (0.055 R)
• M28: 12,248,625 km (0.091 R)
• M29: 12,380,570 km (0.038 R)
• M30: 13,384,970 km (0.06 R)
• M31: 14,069,081 km (0.074 R)
• M32: 15,116,266 km (0.06 R)
• M33: 15,186,877 km (0.113 R)
• M34: 15,399,754 km (0.038 R)
• M35: 15,613,530 km (0.076 R)
• M36: 15,900,010 km (0.075 R)
• M37: 18,859,205 km (0.056 R)
• M38: 18,935,350 km (0.105 R)
• M39: 19,702,189 km (0.117 R)
• M40: 20,167,139 km (0.117 R)
• M41: 21,186,798 km (0.113 R)
• M42: 21,663,118 km (0.09 R)
• M43: 21,742,854 km (0.1 R)
• M44: 21,822,589 km (0.065 R)
• M45: 23,521,273 km (0.079 R)
• M46: 25,010,670 km (0.109 R)
• M47: 25,851,260 km (0.071 R)
• M48: 26,274,921 km (0.105 R)
• M49: 27,646,285 km (0.082 R)
• M50: 28,253,652 km (0.101 R)
• M51: 28,515,149 km (0.074 R)
• M52: 29,128,650 km (0.034 R)
• M53: 30,368,667 km (0.084 R)
• M54: 30,905,424 km (0.061 R)
• M55: 31,355,115 km (0.044 R)
• M56: 36,441,593 km (0.085 R)
• M57: 36,726,427 km (0.1 R)
• M58: 38,064,729 km (0.064 R)
• M59: 38,740,014 km (0.08 R)
• M60: 38,836,804 km (0.107 R)
• M61: 39,127,622 km (0.09 R)
• M62: 40,102,252 km (0.097 R)
• M63: 40,298,076 km (0.088 R)
• M64: 41,183,396 km (0.097 R)
• M65: 41,480,049 km (0.037 R)
• M66: 43,575,616 km (0.111 R)
• M67: 43,877,803 km (0.072 R)
• M68: 46,320,138 km (0.076 R)
• M69: 46,834,605 km (0.077 R)
• M70: 48,388,927 km (0.114 R)
• M71: 54,339,482 km (0.071 R)
• M72: 54,990,532 km (0.089 R)
• M73: 56,081,399 km (0.097 R)
• M74: 56,519,721 km (0.089 R)
• M75: 58,506,381 km (0.047 R)
• M76: 60,628,127 km (0.079 R)
• M77: 60,852,973 km (0.066 R)
• M78: 61,303,412 km (0.093 R)
• M79: 61,641,952 km (0.107 R)
• M80: 61,754,899 km (0.082 R)
• M81: 62,207,582 km (0.065 R)
• M82: 65,521,923 km (0.099 R)
• M83: 66,562,226 km (0.115 R)
• M84: 67,607,766 km (0.09 R)
• M85: 68,893,260 km (0.109 R)
• M86: 69,950,917 km (0.096 R)
• M87: 70,304,716 km (0.052 R)
• M88: 71,013,960 km (0.11 R)
• M89: 71,725,597 km (0.065 R)
• M90: 74,475,505 km (0.079 R)
• M91: 77,747,360 km (0.106 R)
• M92: 78,725,730 km (0.088 R)
• M93: 78,971,070 km (0.043 R)
• M94: 79,462,200 km (0.11 R)
• M95: 80,201,064 km (0.043 R)
• M96: 80,571,319 km (0.113 R)
• M97: 81,065,740 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.3

Radius: 6.5

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 14.2 AU - 18.14 AU

Year: 22644 Days

Day: 18.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 63,137,128 km

• M1: 91,255 km (0.118 R)
• M2: 300,841 km (0.032 R)
• M3: 894,146 km (0.079 R)
• M4: 984,504 km (0.106 R)
• M5: 1,248,693 km (0.05 R)
• M6: 1,324,540 km (0.088 R)
• M7: 1,428,061 km (0.075 R)
• M8: 1,726,958 km (0.092 R)
• M9: 1,869,225 km (0.111 R)
• M10: 2,226,316 km (0.105 R)
• M11: 2,350,033 km (0.104 R)
• M12: 2,539,873 km (0.12 R)
• M13: 3,036,388 km (0.103 R)
• M14: 3,243,431 km (0.115 R)
• M15: 3,313,443 km (0.105 R)
• M16: 4,307,072 km (0.11 R)
• M17: 4,500,652 km (0.097 R)
• M18: 5,303,095 km (0.03 R)
• M19: 5,344,384 km (0.091 R)
• M20: 5,594,362 km (0.104 R)
• M21: 5,636,399 km (0.047 R)
• M22: 6,192,454 km (0.073 R)
• M23: 6,279,520 km (0.031 R)
• M24: 6,410,867 km (0.102 R)
• M25: 6,454,849 km (0.074 R)
• M26: 7,081,664 km (0.11 R)
• M27: 8,976,620 km (0.084 R)
• M28: 10,493,842 km (0.09 R)
• M29: 10,597,812 km (0.064 R)
• M30: 11,069,943 km (0.101 R)
• M31: 11,228,816 km (0.036 R)
• M32: 11,388,437 km (0.096 R)
• M33: 11,441,844 km (0.109 R)
• M34: 11,495,250 km (0.092 R)
• M35: 11,656,068 km (0.027 R)
• M36: 11,763,778 km (0.05 R)
• M37: 11,925,942 km (0.094 R)
• M38: 12,034,401 km (0.032 R)
• M39: 13,928,609 km (0.093 R)
• M40: 14,619,003 km (0.097 R)
• M41: 14,677,047 km (0.064 R)
• M42: 14,909,971 km (0.071 R)
• M43: 15,026,957 km (0.085 R)
• M44: 15,202,884 km (0.045 R)
• M45: 15,497,591 km (0.069 R)
• M46: 18,296,717 km (0.096 R)
• M47: 19,369,932 km (0.078 R)
• M48: 19,433,661 km (0.063 R)
• M49: 19,689,473 km (0.091 R)
• M50: 19,753,651 km (0.118 R)
• M51: 20,139,763 km (0.107 R)
• M52: 20,919,467 km (0.034 R)
• M53: 21,181,712 km (0.091 R)
• M54: 22,041,002 km (0.058 R)
• M55: 22,575,515 km (0.114 R)
• M56: 23,114,367 km (0.086 R)
• M57: 23,181,985 km (0.091 R)
• M58: 23,998,790 km (0.073 R)
• M59: 25,311,511 km (0.081 R)
• M60: 25,800,995 km (0.105 R)
• M61: 26,011,629 km (0.109 R)
• M62: 26,576,361 km (0.067 R)
• M63: 29,680,367 km (0.085 R)
• M64: 31,837,419 km (0.119 R)
• M65: 33,890,799 km (0.083 R)
• M66: 35,829,887 km (0.106 R)
• M67: 36,064,905 km (0.105 R)
• M68: 36,457,899 km (0.105 R)
• M69: 36,536,737 km (0.087 R)
• M70: 36,694,413 km (0.114 R)
• M71: 37,804,728 km (0.115 R)
• M72: 38,044,085 km (0.031 R)
• M73: 41,201,049 km (0.107 R)
• M74: 42,603,230 km (0.114 R)
• M75: 44,188,817 km (0.078 R)
• M76: 45,200,249 km (0.11 R)
• M77: 46,560,542 km (0.055 R)
• M78: 47,331,719 km (0.097 R)
• M79: 48,799,573 km (0.026 R)
• M80: 49,932,328 km (0.105 R)
• M81: 50,194,873 km (0.08 R)
• M82: 53,113,677 km (0.108 R)
• M83: 53,381,756 km (0.091 R)
• M84: 53,919,261 km (0.086 R)
• M85: 54,999,657 km (0.077 R)
• M86: 55,090,014 km (0.08 R)
• M87: 55,905,323 km (0.071 R)
• M88: 56,724,670 km (0.096 R)
• M89: 58,099,175 km (0.082 R)
• M90: 59,021,596 km (0.05 R)
• M91: 61,067,796 km (0.05 R)

Kuiper Belt

Range: 31.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 19,278 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit