🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.81 AU - 0.87 AU

Year: 295 Days

Day: 40.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 79,197,712 km

• M1: 305,479 km (0.081 R)
• M2: 389,104 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.82 AU - 1.12 AU

Year: 366 Days

Day: 42.3 Hours

Environment

Temp: 22 °C

Axial Tilt: 17.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.74 AU - 2.08 AU

Year: 1011 Days

Day: 36.4 Hours

Environment

Temp: -81 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.68 AU - 2.78 AU

Year: 1275 Days

Day: 27.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,197,712 km

• M1: 738,415 km (0.084 R)
• M2: 1,617,901 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.44 AU - 3.08 AU

Year: 1756 Days

Day: 31.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,197,712 km

• M1: 15,409 km (0.076 R)
• M2: 354,248 km (0.09 R)

Asteroid Belt

Center: 3.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.3

Radius: 11.6

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.19 AU - 4.73 AU

Year: 3606 Days

Day: 13.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 79,197,712 km

• M1: 159,621 km (0.115 R)
• M2: 363,972 km (0.102 R)
• M3: 524,191 km (0.089 R)
• M4: 636,389 km (0.112 R)
• M5: 813,812 km (0.112 R)
• M6: 921,822 km (0.117 R)
• M7: 999,613 km (0.11 R)
• M8: 1,107,174 km (0.054 R)
• M9: 1,394,103 km (0.098 R)
• M10: 1,484,908 km (0.108 R)
• M11: 1,780,663 km (0.056 R)
• M12: 2,083,898 km (0.096 R)
• M13: 2,235,890 km (0.116 R)
• M14: 2,477,042 km (0.097 R)
• M15: 2,726,870 km (0.112 R)
• M16: 3,050,899 km (0.089 R)
• M17: 3,237,747 km (0.079 R)
• M18: 3,373,731 km (0.073 R)
• M19: 4,066,968 km (0.045 R)
• M20: 4,213,873 km (0.104 R)
• M21: 4,437,522 km (0.106 R)
• M22: 4,558,397 km (0.101 R)
• M23: 4,772,770 km (0.099 R)
• M24: 4,896,787 km (0.078 R)
• M25: 5,132,105 km (0.092 R)
• M26: 5,259,113 km (0.112 R)
• M27: 5,387,319 km (0.078 R)
• M28: 5,663,027 km (0.106 R)
• M29: 5,810,980 km (0.031 R)
• M30: 6,110,624 km (0.072 R)
• M31: 6,313,329 km (0.097 R)
• M32: 6,742,526 km (0.116 R)
• M33: 7,557,236 km (0.033 R)
• M34: 7,756,650 km (0.09 R)
• M35: 7,866,155 km (0.061 R)
• M36: 8,086,812 km (0.115 R)
• M37: 8,609,507 km (0.056 R)
• M38: 8,951,488 km (0.053 R)
• M39: 9,085,677 km (0.058 R)
• M40: 9,687,809 km (0.084 R)
• M41: 9,805,841 km (0.08 R)
• M42: 9,924,472 km (0.083 R)
• M43: 10,808,446 km (0.108 R)
• M44: 11,156,710 km (0.114 R)
• M45: 11,342,511 km (0.1 R)
• M46: 11,487,920 km (0.047 R)
• M47: 11,717,403 km (0.089 R)
• M48: 11,822,271 km (0.114 R)
• M49: 12,117,577 km (0.086 R)
• M50: 12,372,641 km (0.059 R)
• M51: 12,952,932 km (0.052 R)
• M52: 13,191,989 km (0.084 R)
• M53: 13,301,046 km (0.102 R)
• M54: 13,410,552 km (0.1 R)
• M55: 13,520,207 km (0.094 R)
• M56: 13,674,442 km (0.046 R)
• M57: 13,784,845 km (0.03 R)
• M58: 13,873,407 km (0.102 R)
• M59: 14,028,840 km (0.082 R)
• M60: 14,341,499 km (0.084 R)
• M61: 14,656,552 km (0.105 R)
• M62: 14,746,909 km (0.104 R)
• M63: 14,882,894 km (0.083 R)
• M64: 14,973,849 km (0.115 R)
• M65: 15,133,321 km (0.11 R)
• M66: 15,339,167 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.7

Radius: 5

Gravity: 18.11 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 15.02 AU - 20.5 AU

Year: 28657 Days

Day: 23.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 79,197,712 km

• M1: 69,713 km (0.108 R)
• M2: 216,767 km (0.074 R)
• M3: 336,894 km (0.087 R)
• M4: 394,938 km (0.099 R)
• M5: 521,648 km (0.098 R)
• M6: 1,361,640 km (0.082 R)
• M7: 2,002,667 km (0.094 R)
• M8: 2,222,127 km (0.076 R)
• M9: 2,644,591 km (0.074 R)
• M10: 2,844,604 km (0.108 R)
• M11: 3,344,859 km (0.109 R)
• M12: 6,014,283 km (0.079 R)
• M13: 6,923,539 km (0.087 R)
• M14: 7,143,747 km (0.105 R)
• M15: 7,199,098 km (0.114 R)
• M16: 7,366,199 km (0.055 R)
• M17: 8,688,794 km (0.12 R)
• M18: 9,105,723 km (0.111 R)
• M19: 11,285,813 km (0.041 R)
• M20: 11,544,916 km (0.106 R)
• M21: 12,533,459 km (0.087 R)
• M22: 13,004,094 km (0.026 R)
• M23: 14,031,831 km (0.081 R)
• M24: 15,156,658 km (0.109 R)
• M25: 16,529,368 km (0.106 R)
• M26: 17,045,181 km (0.046 R)
• M27: 17,641,030 km (0.112 R)
• M28: 18,547,593 km (0.116 R)
• M29: 19,391,774 km (0.074 R)
• M30: 19,701,890 km (0.035 R)
• M31: 20,484,287 km (0.118 R)
• M32: 20,641,963 km (0.086 R)
• M33: 21,516,512 km (0.103 R)
• M34: 22,403,029 km (0.109 R)
• M35: 22,565,492 km (0.085 R)
• M36: 22,728,404 km (0.094 R)
• M37: 22,809,935 km (0.044 R)
• M38: 23,219,385 km (0.105 R)
• M39: 24,965,042 km (0.072 R)
• M40: 26,066,681 km (0.052 R)
• M41: 26,666,568 km (0.053 R)
• M42: 27,184,177 km (0.03 R)
• M43: 28,845,312 km (0.116 R)
• M44: 30,090,265 km (0.072 R)
• M45: 32,264,820 km (0.071 R)
• M46: 34,302,193 km (0.032 R)
• M47: 34,864,981 km (0.076 R)
• M48: 35,430,909 km (0.049 R)
• M49: 36,667,485 km (0.119 R)
• M50: 38,694,536 km (0.048 R)
• M51: 39,476,185 km (0.051 R)
• M52: 40,856,824 km (0.082 R)
• M53: 41,154,673 km (0.108 R)
• M54: 41,353,639 km (0.114 R)
• M55: 41,952,628 km (0.077 R)
• M56: 42,353,551 km (0.114 R)
• M57: 43,665,075 km (0.102 R)
• M58: 43,766,503 km (0.055 R)
• M59: 46,949,796 km (0.051 R)
• M60: 48,832,186 km (0.075 R)
• M61: 49,253,753 km (0.076 R)
• M62: 49,782,581 km (0.079 R)
• M63: 50,739,110 km (0.056 R)
• M64: 51,701,623 km (0.028 R)
• M65: 52,238,978 km (0.102 R)
• M66: 52,670,119 km (0.096 R)
• M67: 52,886,138 km (0.085 R)
• M68: 54,297,744 km (0.083 R)
• M69: 57,490,761 km (0.102 R)
• M70: 57,713,213 km (0.087 R)
• M71: 59,840,644 km (0.082 R)
• M72: 60,178,885 km (0.107 R)
• M73: 60,291,831 km (0.098 R)
• M74: 62,221,794 km (0.097 R)
• M75: 63,596,299 km (0.099 R)
• M76: 64,749,399 km (0.116 R)
• M77: 65,328,493 km (0.095 R)
• M78: 66,375,229 km (0.038 R)
• M79: 68,839,106 km (0.089 R)
• M80: 69,193,503 km (0.082 R)
• M81: 69,666,980 km (0.076 R)
• M82: 69,904,093 km (0.109 R)
• M83: 71,691,339 km (0.098 R)
• M84: 72,891,114 km (0.11 R)
• M85: 73,131,966 km (0.08 R)
• M86: 76,652,453 km (0.114 R)
• M87: 77,633,366 km (0.081 R)
• M88: 78,741,737 km (0.064 R)
• M89: 80,103,676 km (0.088 R)
• M90: 81,098,950 km (0.108 R)
• M91: 82,725,079 km (0.067 R)
• M92: 83,227,579 km (0.08 R)
• M93: 83,479,202 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.5

Radius: 3.7

Gravity: 25.75 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 16.24 AU - 20.06 AU

Year: 29606 Days

Day: 21.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 79,197,712 km

• M1: 48,470 km (0.098 R)
• M2: 286,929 km (0.07 R)
• M3: 377,884 km (0.078 R)
• M4: 957,576 km (0.087 R)
• M5: 1,418,637 km (0.118 R)
• M6: 1,671,756 km (0.089 R)
• M7: 1,737,280 km (0.04 R)
• M8: 1,870,721 km (0.108 R)
• M9: 2,042,161 km (0.092 R)
• M10: 2,855,225 km (0.078 R)
• M11: 3,798,888 km (0.094 R)
• M12: 4,736,568 km (0.08 R)
• M13: 5,159,331 km (0.101 R)
• M14: 5,254,924 km (0.093 R)
• M15: 5,593,913 km (0.107 R)
• M16: 5,840,600 km (0.109 R)
• M17: 5,890,267 km (0.116 R)
• M18: 9,468,947 km (0.054 R)
• M19: 10,058,961 km (0.117 R)
• M20: 11,522,926 km (0.066 R)
• M21: 12,987,040 km (0.054 R)
• M22: 13,773,775 km (0.113 R)
• M23: 17,932,297 km (0.046 R)
• M24: 18,222,367 km (0.1 R)
• M25: 18,367,926 km (0.025 R)
• M26: 19,323,856 km (0.09 R)
• M27: 19,472,257 km (0.065 R)
• M28: 19,695,756 km (0.1 R)
• M29: 19,845,205 km (0.071 R)
• M30: 20,220,396 km (0.103 R)
• M31: 21,436,627 km (0.104 R)
• M32: 21,744,499 km (0.101 R)
• M33: 24,178,756 km (0.095 R)
• M34: 24,258,791 km (0.103 R)
• M35: 27,528,103 km (0.096 R)
• M36: 27,862,603 km (0.101 R)
• M37: 28,789,362 km (0.101 R)
• M38: 28,874,035 km (0.113 R)
• M39: 29,043,828 km (0.07 R)
• M40: 29,213,921 km (0.058 R)
• M41: 29,726,144 km (0.065 R)
• M42: 30,500,014 km (0.064 R)
• M43: 30,586,332 km (0.104 R)
• M44: 31,367,532 km (0.105 R)
• M45: 31,716,843 km (0.072 R)
• M46: 34,197,924 km (0.085 R)
• M47: 34,287,682 km (0.116 R)
• M48: 34,918,088 km (0.083 R)
• M49: 37,108,649 km (0.065 R)
• M50: 37,663,209 km (0.043 R)
• M51: 38,313,660 km (0.096 R)
• M52: 39,625,634 km (0.067 R)
• M53: 39,908,673 km (0.068 R)
• M54: 41,525,227 km (0.029 R)
• M55: 42,197,071 km (0.115 R)
• M56: 43,357,203 km (0.103 R)
• M57: 44,233,996 km (0.098 R)
• M58: 47,699,431 km (0.08 R)
• M59: 48,000,571 km (0.094 R)
• M60: 48,604,647 km (0.109 R)
• M61: 49,820,280 km (0.12 R)
• M62: 51,559,355 km (0.115 R)
• M63: 53,006,565 km (0.08 R)
• M64: 54,571,807 km (0.05 R)
• M65: 55,940,628 km (0.047 R)
• M66: 57,533,995 km (0.058 R)
• M67: 58,819,489 km (0.05 R)
• M68: 59,789,631 km (0.092 R)
• M69: 60,222,568 km (0.106 R)
• M70: 61,636,866 km (0.082 R)
• M71: 63,171,890 km (0.101 R)
• M72: 63,612,904 km (0.04 R)
• M73: 64,497,776 km (0.112 R)
• M74: 65,609,737 km (0.045 R)
• M75: 66,615,782 km (0.089 R)
• M76: 67,852,358 km (0.095 R)
• M77: 68,756,378 km (0.051 R)
• M78: 69,550,743 km (0.036 R)
• M79: 71,034,006 km (0.093 R)
• M80: 71,607,265 km (0.06 R)
• M81: 74,962,296 km (0.072 R)
• M82: 75,312,206 km (0.102 R)
• M83: 77,070,280 km (0.096 R)
• M84: 77,541,364 km (0.089 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: 317 - 10,511 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit