🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.4 AU - 0.66 AU

Year: 253 Days

Day: 39.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,426,692 km

• M1: 136,433 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.43 AU - 0.67 AU

Year: 268 Days

Day: 26.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 19,426,692 km

• M1: 60,587 km (0.091 R)
• M2: 416,480 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.48 AU - 0.7 AU

Year: 297 Days

Day: 41.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,426,692 km

• M1: 102,475 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 12.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.67 AU - 0.89 AU

Year: 452 Days

Day: 6.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 19,426,692 km

• M1: 151,842 km (0.049 R)
• M2: 228,286 km (0.083 R)
• M3: 315,203 km (0.067 R)
• M4: 393,442 km (0.051 R)
• M5: 476,918 km (0.041 R)
• M6: 554,111 km (0.085 R)
• M7: 661,671 km (0.029 R)
• M8: 763,996 km (0.108 R)
• M9: 841,189 km (0.085 R)
• M10: 944,711 km (0.083 R)
• M11: 1,043,894 km (0.12 R)
• M12: 1,207,853 km (0.099 R)
• M13: 1,293,124 km (0.107 R)
• M14: 1,384,079 km (0.1 R)
• M15: 1,587,084 km (0.055 R)
• M16: 1,707,061 km (0.063 R)
• M17: 1,785,151 km (0.056 R)
• M18: 1,872,068 km (0.116 R)
• M19: 1,972,149 km (0.097 R)
• M20: 2,129,675 km (0.092 R)
• M21: 2,230,355 km (0.109 R)
• M22: 2,336,719 km (0.068 R)
• M23: 2,432,461 km (0.097 R)
• M24: 2,520,874 km (0.077 R)
• M25: 2,636,363 km (0.099 R)
• M26: 2,740,483 km (0.104 R)
• M27: 2,903,695 km (0.094 R)
• M28: 3,184,639 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.8

Radius: 11

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.83 AU - 0.91 AU

Year: 532 Days

Day: 8.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 19,426,692 km

• M1: 141,220 km (0.111 R)
• M2: 260,749 km (0.058 R)
• M3: 352,303 km (0.105 R)
• M4: 530,773 km (0.09 R)
• M5: 614,698 km (0.076 R)
• M6: 695,630 km (0.114 R)
• M7: 802,593 km (0.066 R)
• M8: 892,351 km (0.108 R)
• M9: 1,058,555 km (0.111 R)
• M10: 1,261,559 km (0.088 R)
• M11: 1,340,995 km (0.072 R)
• M12: 1,433,297 km (0.118 R)
• M13: 1,555,967 km (0.118 R)
• M14: 1,641,687 km (0.113 R)
• M15: 1,794,277 km (0.087 R)
• M16: 1,939,536 km (0.091 R)
• M17: 2,145,533 km (0.064 R)
• M18: 2,274,037 km (0.12 R)
• M19: 2,378,756 km (0.034 R)
• M20: 2,484,970 km (0.053 R)
• M21: 2,848,643 km (0.119 R)
• M22: 2,976,100 km (0.085 R)
• M23: 3,120,013 km (0.094 R)
• M24: 3,332,741 km (0.048 R)
• M25: 3,407,241 km (0.099 R)
• M26: 3,520,187 km (0.1 R)
• M27: 3,641,811 km (0.064 R)
• M28: 3,819,383 km (0.098 R)
• M29: 3,889,545 km (0.067 R)
• M30: 3,991,870 km (0.12 R)
• M31: 4,079,085 km (0.108 R)
• M32: 4,150,892 km (0.115 R)
• M33: 4,231,226 km (0.067 R)
• M34: 4,377,084 km (0.108 R)
• M35: 4,707,396 km (0.108 R)
• M36: 4,782,943 km (0.081 R)
• M37: 4,858,789 km (0.104 R)
• M38: 4,943,611 km (0.088 R)
• M39: 5,071,667 km (0.118 R)
• M40: 5,209,596 km (0.105 R)
• M41: 5,296,363 km (0.083 R)
• M42: 5,550,829 km (0.116 R)
• M43: 5,621,738 km (0.118 R)
• M44: 5,818,460 km (0.103 R)
• M45: 6,017,275 km (0.062 R)
• M46: 6,126,781 km (0.115 R)
• M47: 6,209,359 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.7

Radius: 9.6

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.78 AU - 1.28 AU

Year: 686 Days

Day: 13.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 19,426,692 km

• M1: 194,776 km (0.082 R)
• M2: 266,135 km (0.098 R)
• M3: 538,852 km (0.084 R)
• M4: 650,601 km (0.11 R)
• M5: 712,235 km (0.092 R)
• M6: 819,946 km (0.053 R)
• M7: 980,315 km (0.032 R)
• M8: 1,052,271 km (0.037 R)
• M9: 1,183,020 km (0.084 R)
• M10: 1,253,630 km (0.114 R)
• M11: 1,352,514 km (0.03 R)
• M12: 1,481,468 km (0.072 R)
• M13: 1,607,579 km (0.09 R)
• M14: 1,700,928 km (0.059 R)
• M15: 1,781,411 km (0.077 R)
• M16: 1,863,241 km (0.052 R)
• M17: 1,953,898 km (0.116 R)
• M18: 2,243,070 km (0.096 R)
• M19: 2,429,769 km (0.087 R)
• M20: 2,596,421 km (0.052 R)
• M21: 2,706,674 km (0.11 R)
• M22: 2,932,118 km (0.089 R)
• M23: 2,993,902 km (0.075 R)
• M24: 3,254,502 km (0.115 R)
• M25: 3,318,380 km (0.058 R)
• M26: 3,392,132 km (0.096 R)
• M27: 3,494,307 km (0.12 R)
• M28: 3,569,405 km (0.084 R)
• M29: 3,874,734 km (0.096 R)
• M30: 4,079,833 km (0.118 R)
• M31: 4,158,970 km (0.112 R)
• M32: 4,258,453 km (0.05 R)
• M33: 4,561,987 km (0.058 R)
• M34: 4,664,761 km (0.116 R)
• M35: 4,789,077 km (0.102 R)
• M36: 4,967,098 km (0.11 R)
• M37: 5,136,742 km (0.076 R)
• M38: 5,233,083 km (0.113 R)
• M39: 5,329,873 km (0.028 R)
• M40: 5,427,261 km (0.088 R)
• M41: 5,591,071 km (0.069 R)
• M42: 5,767,596 km (0.102 R)
• M43: 5,901,187 km (0.04 R)
• M44: 6,262,466 km (0.059 R)
• M45: 6,365,389 km (0.101 R)
• M46: 6,503,468 km (0.063 R)
• M47: 6,642,594 km (0.099 R)
• M48: 7,149,282 km (0.096 R)
• M49: 7,292,896 km (0.078 R)
• M50: 7,485,877 km (0.094 R)
• M51: 7,705,038 km (0.114 R)
• M52: 7,766,373 km (0.096 R)
• M53: 8,124,810 km (0.089 R)
• M54: 8,249,724 km (0.112 R)
• M55: 8,552,061 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.5

Radius: 8.9

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.13 AU - 1.79 AU

Year: 1157 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 19,426,692 km

• M1: 165,006 km (0.077 R)
• M2: 268,079 km (0.09 R)
• M3: 331,808 km (0.05 R)
• M4: 402,418 km (0.107 R)
• M5: 517,010 km (0.104 R)
• M6: 887,564 km (0.041 R)
• M7: 1,236,576 km (0.09 R)
• M8: 1,306,588 km (0.052 R)
• M9: 1,362,089 km (0.116 R)
• M10: 1,492,089 km (0.105 R)
• M11: 1,592,320 km (0.118 R)
• M12: 1,703,621 km (0.103 R)
• M13: 1,799,662 km (0.094 R)
• M14: 2,202,679 km (0.025 R)
• M15: 2,278,974 km (0.079 R)
• M16: 2,365,890 km (0.101 R)
• M17: 2,879,460 km (0.063 R)
• M18: 2,942,141 km (0.075 R)
• M19: 3,349,796 km (0.118 R)
• M20: 3,537,990 km (0.118 R)
• M21: 3,661,707 km (0.058 R)
• M22: 3,832,697 km (0.044 R)
• M23: 4,111,697 km (0.108 R)
• M24: 4,182,607 km (0.04 R)
• M25: 4,313,505 km (0.056 R)
• M26: 4,530,572 km (0.069 R)
• M27: 4,677,327 km (0.103 R)
• M28: 4,788,478 km (0.088 R)
• M29: 5,038,606 km (0.104 R)
• M30: 5,190,747 km (0.101 R)
• M31: 5,267,341 km (0.094 R)
• M32: 5,370,264 km (0.116 R)
• M33: 5,447,756 km (0.097 R)
• M34: 5,564,742 km (0.105 R)
• M35: 5,788,091 km (0.115 R)
• M36: 5,920,785 km (0.112 R)
• M37: 6,041,211 km (0.064 R)
• M38: 6,243,617 km (0.095 R)
• M39: 6,325,148 km (0.035 R)
• M40: 6,407,127 km (0.104 R)
• M41: 6,808,199 km (0.092 R)
• M42: 6,948,372 km (0.116 R)
• M43: 7,117,867 km (0.108 R)
• M44: 7,475,555 km (0.108 R)
• M45: 7,576,683 km (0.058 R)
• M46: 7,883,060 km (0.043 R)
• M47: 8,163,705 km (0.112 R)
• M48: 8,312,705 km (0.115 R)
• M49: 8,462,602 km (0.101 R)
• M50: 8,765,238 km (0.105 R)
• M51: 8,856,643 km (0.099 R)
• M52: 8,917,828 km (0.111 R)
• M53: 9,318,751 km (0.108 R)
• M54: 9,505,897 km (0.093 R)
• M55: 9,568,579 km (0.106 R)
• M56: 9,820,502 km (0.106 R)
• M57: 9,899,639 km (0.077 R)
• M58: 10,427,570 km (0.066 R)
• M59: 10,735,592 km (0.096 R)
• M60: 10,931,864 km (0.069 R)
• M61: 11,013,844 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918

Radius: 9

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.86 AU - 2.66 AU

Year: 2229 Days

Day: 10.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 19,426,692 km

• M1: 131,197 km (0.104 R)
• M2: 222,452 km (0.106 R)
• M3: 565,480 km (0.114 R)
• M4: 659,727 km (0.094 R)
• M5: 759,658 km (0.114 R)
• M6: 1,102,088 km (0.107 R)
• M7: 1,234,033 km (0.107 R)
• M8: 1,383,032 km (0.071 R)
• M9: 1,661,284 km (0.104 R)
• M10: 2,187,121 km (0.103 R)
• M11: 2,298,272 km (0.118 R)
• M12: 2,511,748 km (0.077 R)
• M13: 3,128,241 km (0.12 R)
• M14: 3,381,361 km (0.067 R)
• M15: 3,461,844 km (0.103 R)
• M16: 3,526,620 km (0.064 R)
• M17: 4,042,882 km (0.044 R)
• M18: 4,180,064 km (0.059 R)
• M19: 4,301,238 km (0.085 R)
• M20: 4,654,289 km (0.088 R)
• M21: 4,925,061 km (0.044 R)
• M22: 5,053,266 km (0.119 R)
• M23: 5,482,313 km (0.116 R)
• M24: 5,596,157 km (0.112 R)
• M25: 5,768,494 km (0.114 R)
• M26: 5,826,239 km (0.066 R)
• M27: 6,020,417 km (0.115 R)
• M28: 6,454,999 km (0.043 R)
• M29: 6,575,275 km (0.117 R)
• M30: 6,777,532 km (0.102 R)
• M31: 7,002,228 km (0.082 R)
• M32: 7,480,193 km (0.042 R)
• M33: 7,543,323 km (0.115 R)
• M34: 7,925,845 km (0.104 R)
• M35: 8,184,350 km (0.075 R)
• M36: 8,402,015 km (0.098 R)
• M37: 8,577,493 km (0.112 R)
• M38: 8,754,168 km (0.072 R)
• M39: 9,586,830 km (0.071 R)
• M40: 9,954,841 km (0.098 R)
• M41: 10,047,442 km (0.089 R)
• M42: 10,117,154 km (0.11 R)
• M43: 10,327,339 km (0.086 R)
• M44: 10,823,256 km (0.105 R)
• M45: 11,014,293 km (0.089 R)
• M46: 11,206,376 km (0.099 R)
• M47: 11,448,127 km (0.11 R)
• M48: 11,520,981 km (0.109 R)
• M49: 11,740,441 km (0.083 R)
• M50: 11,862,962 km (0.05 R)
• M51: 12,183,550 km (0.096 R)
• M52: 13,162,369 km (0.029 R)
• M53: 14,062,200 km (0.073 R)
• M54: 14,140,290 km (0.086 R)
• M55: 14,270,739 km (0.109 R)
• M56: 14,349,129 km (0.092 R)
• M57: 14,849,234 km (0.078 R)
• M58: 15,650,630 km (0.079 R)
• M59: 15,920,804 km (0.043 R)
• M60: 16,192,623 km (0.066 R)
• M61: 16,301,680 km (0.032 R)
• M62: 16,575,743 km (0.104 R)
• M63: 16,740,750 km (0.087 R)
• M64: 16,961,706 km (0.101 R)
• M65: 17,911,652 km (0.083 R)
• M66: 18,137,695 km (0.117 R)
• M67: 18,450,055 km (0.107 R)
• M68: 18,735,488 km (0.089 R)
• M69: 18,821,507 km (0.067 R)
• M70: 18,993,694 km (0.116 R)
• M71: 19,166,479 km (0.11 R)
• M72: 19,281,969 km (0.111 R)
• M73: 19,339,863 km (0.086 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 10,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit