🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.51 AU - 0.71 AU

Year: 313 Days

Day: 22.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 108 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.54 AU - 0.76 AU

Year: 344 Days

Day: 33.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,024,775 km

• M1: 271,670 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.4

Radius: 14.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.82 AU - 0.9 AU

Year: 523 Days

Day: 9.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,024,775 km

• M1: 190,588 km (0.061 R)
• M2: 306,526 km (0.104 R)
• M3: 407,355 km (0.099 R)
• M4: 510,578 km (0.08 R)
• M5: 636,539 km (0.112 R)
• M6: 756,516 km (0.075 R)
• M7: 849,417 km (0.05 R)
• M8: 997,369 km (0.088 R)
• M9: 1,200,074 km (0.097 R)
• M10: 1,335,311 km (0.102 R)
• M11: 1,441,675 km (0.089 R)
• M12: 1,536,071 km (0.112 R)
• M13: 1,663,528 km (0.096 R)
• M14: 1,848,431 km (0.057 R)
• M15: 2,023,760 km (0.103 R)
• M16: 2,164,681 km (0.112 R)
• M17: 2,297,225 km (0.116 R)
• M18: 2,391,322 km (0.119 R)
• M19: 2,577,123 km (0.077 R)
• M20: 2,668,826 km (0.107 R)
• M21: 2,792,992 km (0.096 R)
• M22: 2,906,387 km (0.076 R)
• M23: 3,229,668 km (0.096 R)
• M24: 3,328,852 km (0.057 R)
• M25: 3,483,237 km (0.104 R)
• M26: 3,695,067 km (0.115 R)
• M27: 4,067,417 km (0.115 R)
• M28: 4,385,761 km (0.118 R)
• M29: 4,909,204 km (0.107 R)
• M30: 5,000,907 km (0.064 R)
• M31: 5,124,176 km (0.098 R)
• M32: 5,240,713 km (0.117 R)
• M33: 5,373,855 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.5

Radius: 14.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.97 AU - 1.07 AU

Year: 676 Days

Day: 8.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 39,024,775 km

• M1: 186,100 km (0.058 R)
• M2: 281,842 km (0.112 R)
• M3: 386,262 km (0.119 R)
• M4: 534,214 km (0.096 R)
• M5: 682,765 km (0.111 R)
• M6: 781,050 km (0.072 R)
• M7: 994,527 km (0.026 R)
• M8: 1,114,953 km (0.111 R)
• M9: 1,222,663 km (0.093 R)
• M10: 1,315,264 km (0.114 R)
• M11: 1,534,575 km (0.076 R)
• M12: 1,676,543 km (0.102 R)
• M13: 1,794,726 km (0.083 R)
• M14: 1,915,900 km (0.085 R)
• M15: 2,025,256 km (0.043 R)
• M16: 2,250,550 km (0.088 R)
• M17: 2,460,735 km (0.045 R)
• M18: 2,572,186 km (0.118 R)
• M19: 2,669,275 km (0.113 R)
• M20: 3,173,270 km (0.094 R)
• M21: 3,277,689 km (0.046 R)
• M22: 3,472,316 km (0.045 R)
• M23: 3,589,152 km (0.069 R)
• M24: 4,183,804 km (0.083 R)
• M25: 4,512,470 km (0.038 R)
• M26: 4,709,790 km (0.1 R)
• M27: 4,859,687 km (0.099 R)
• M28: 5,001,057 km (0.078 R)
• M29: 5,174,740 km (0.064 R)
• M30: 5,319,102 km (0.084 R)
• M31: 5,538,412 km (0.069 R)
• M32: 5,664,972 km (0.082 R)
• M33: 5,781,958 km (0.118 R)
• M34: 6,105,089 km (0.11 R)
• M35: 6,567,496 km (0.086 R)
• M36: 6,870,731 km (0.102 R)
• M37: 7,132,826 km (0.112 R)
• M38: 7,293,943 km (0.1 R)
• M39: 7,702,196 km (0.08 R)
• M40: 8,010,368 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.5

Radius: 10.7

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.82 AU - 1.34 AU

Year: 736 Days

Day: 13.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 39,024,775 km

• M1: 135,236 km (0.084 R)
• M2: 269,575 km (0.109 R)
• M3: 393,891 km (0.077 R)
• M4: 461,061 km (0.067 R)
• M5: 528,529 km (0.109 R)
• M6: 654,939 km (0.062 R)
• M7: 917,035 km (0.117 R)
• M8: 1,066,932 km (0.115 R)
• M9: 1,135,747 km (0.084 R)
• M10: 1,244,953 km (0.118 R)
• M11: 1,331,122 km (0.102 R)
• M12: 1,516,623 km (0.119 R)
• M13: 1,666,969 km (0.081 R)
• M14: 1,747,752 km (0.052 R)
• M15: 1,944,174 km (0.053 R)
• M16: 2,037,224 km (0.087 R)
• M17: 2,116,062 km (0.05 R)
• M18: 2,211,954 km (0.103 R)
• M19: 2,301,264 km (0.06 R)
• M20: 2,466,719 km (0.115 R)
• M21: 2,827,250 km (0.064 R)
• M22: 2,924,339 km (0.097 R)
• M23: 3,222,787 km (0.091 R)
• M24: 3,417,863 km (0.075 R)
• M25: 3,559,681 km (0.098 R)
• M26: 4,056,496 km (0.08 R)
• M27: 4,226,888 km (0.069 R)
• M28: 4,554,358 km (0.056 R)
• M29: 4,658,328 km (0.105 R)
• M30: 4,943,312 km (0.094 R)
• M31: 5,093,209 km (0.114 R)
• M32: 5,364,879 km (0.09 R)
• M33: 5,641,186 km (0.117 R)
• M34: 5,708,206 km (0.091 R)
• M35: 5,786,745 km (0.053 R)
• M36: 6,013,236 km (0.118 R)
• M37: 6,196,493 km (0.101 R)
• M38: 6,370,027 km (0.108 R)
• M39: 6,463,226 km (0.115 R)
• M40: 6,568,693 km (0.119 R)
• M41: 6,639,154 km (0.057 R)
• M42: 6,781,122 km (0.101 R)
• M43: 6,888,234 km (0.107 R)
• M44: 7,116,371 km (0.104 R)
• M45: 7,827,858 km (0.075 R)
• M46: 7,990,471 km (0.036 R)
• M47: 8,078,435 km (0.082 R)
• M48: 8,217,411 km (0.117 R)
• M49: 8,536,354 km (0.11 R)
• M50: 8,665,008 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.8

Radius: 10.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.22 AU - 2.82 AU

Year: 2624 Days

Day: 14.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 39,024,775 km

• M1: 141,968 km (0.07 R)
• M2: 215,122 km (0.046 R)
• M3: 510,877 km (0.068 R)
• M4: 581,786 km (0.091 R)
• M5: 677,678 km (0.095 R)
• M6: 935,136 km (0.049 R)
• M7: 1,033,572 km (0.045 R)
• M8: 1,153,250 km (0.109 R)
• M9: 1,223,860 km (0.105 R)
• M10: 1,378,993 km (0.042 R)
• M11: 1,473,389 km (0.093 R)
• M12: 1,550,582 km (0.115 R)
• M13: 1,729,351 km (0.08 R)
• M14: 1,946,717 km (0.108 R)
• M15: 2,173,208 km (0.055 R)
• M16: 2,534,936 km (0.104 R)
• M17: 2,663,740 km (0.102 R)
• M18: 2,758,884 km (0.082 R)
• M19: 2,940,346 km (0.071 R)
• M20: 3,075,882 km (0.114 R)
• M21: 3,150,830 km (0.1 R)
• M22: 3,315,089 km (0.03 R)
• M23: 3,811,754 km (0.083 R)
• M24: 3,892,387 km (0.083 R)
• M25: 4,234,368 km (0.086 R)
• M26: 4,345,968 km (0.119 R)
• M27: 4,472,677 km (0.049 R)
• M28: 4,557,798 km (0.068 R)
• M29: 4,643,368 km (0.102 R)
• M30: 4,830,964 km (0.112 R)
• M31: 5,408,561 km (0.112 R)
• M32: 5,759,518 km (0.071 R)
• M33: 6,008,000 km (0.087 R)
• M34: 6,180,935 km (0.107 R)
• M35: 6,323,801 km (0.119 R)
• M36: 6,435,551 km (0.116 R)
• M37: 6,564,055 km (0.11 R)
• M38: 6,758,533 km (0.104 R)
• M39: 6,971,410 km (0.076 R)
• M40: 7,120,111 km (0.07 R)
• M41: 7,640,262 km (0.108 R)
• M42: 8,068,711 km (0.089 R)
• M43: 8,277,101 km (0.101 R)
• M44: 8,504,938 km (0.099 R)
• M45: 8,752,672 km (0.062 R)
• M46: 8,841,683 km (0.108 R)
• M47: 9,020,752 km (0.057 R)
• M48: 9,218,969 km (0.057 R)
• M49: 9,345,977 km (0.111 R)
• M50: 9,510,086 km (0.105 R)
• M51: 9,675,093 km (0.118 R)
• M52: 10,026,648 km (0.104 R)
• M53: 10,138,696 km (0.088 R)
• M54: 10,250,895 km (0.094 R)
• M55: 10,382,541 km (0.103 R)
• M56: 10,457,938 km (0.045 R)
• M57: 10,647,329 km (0.082 R)
• M58: 11,087,297 km (0.042 R)
• M59: 11,377,516 km (0.088 R)
• M60: 11,455,307 km (0.089 R)
• M61: 11,533,248 km (0.052 R)
• M62: 11,650,533 km (0.076 R)
• M63: 11,945,540 km (0.11 R)
• M64: 12,024,527 km (0.117 R)
• M65: 12,623,368 km (0.057 R)
• M66: 12,865,566 km (0.118 R)
• M67: 13,313,612 km (0.116 R)
• M68: 13,704,661 km (0.065 R)
• M69: 14,037,067 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.2

Radius: 12.5

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.92 AU - 6.16 AU

Year: 8554 Days

Day: 13.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 39,024,775 km

• M1: 219,909 km (0.098 R)
• M2: 367,562 km (0.103 R)
• M3: 1,034,918 km (0.071 R)
• M4: 1,240,166 km (0.064 R)
• M5: 1,329,775 km (0.095 R)
• M6: 1,671,307 km (0.036 R)
• M7: 1,751,043 km (0.096 R)
• M8: 1,914,703 km (0.105 R)
• M9: 2,191,609 km (0.1 R)
• M10: 2,346,143 km (0.054 R)
• M11: 2,550,344 km (0.081 R)
• M12: 3,451,073 km (0.067 R)
• M13: 3,710,476 km (0.113 R)
• M14: 4,030,316 km (0.096 R)
• M15: 4,193,677 km (0.094 R)
• M16: 4,276,255 km (0.112 R)
• M17: 4,442,907 km (0.026 R)
• M18: 4,527,131 km (0.057 R)
• M19: 4,611,803 km (0.108 R)
• M20: 5,101,886 km (0.116 R)
• M21: 5,308,480 km (0.082 R)
• M22: 5,730,346 km (0.05 R)
• M23: 6,896,761 km (0.078 R)
• M24: 7,125,646 km (0.033 R)
• M25: 7,861,368 km (0.118 R)
• M26: 7,997,801 km (0.107 R)
• M27: 8,203,798 km (0.094 R)
• M28: 9,152,847 km (0.056 R)
• M29: 9,549,580 km (0.032 R)
• M30: 9,804,944 km (0.036 R)
• M31: 11,732,811 km (0.082 R)
• M32: 12,639,823 km (0.112 R)
• M33: 12,880,077 km (0.114 R)
• M34: 13,569,275 km (0.073 R)
• M35: 13,856,652 km (0.082 R)
• M36: 13,980,370 km (0.05 R)
• M37: 14,270,590 km (0.103 R)
• M38: 14,353,766 km (0.047 R)
• M39: 15,238,039 km (0.051 R)
• M40: 15,708,225 km (0.108 R)
• M41: 16,226,582 km (0.071 R)
• M42: 16,706,791 km (0.069 R)
• M43: 17,280,200 km (0.058 R)
• M44: 18,719,331 km (0.08 R)
• M45: 18,901,990 km (0.116 R)
• M46: 19,730,912 km (0.115 R)
• M47: 19,823,812 km (0.108 R)
• M48: 19,963,387 km (0.071 R)
• M49: 20,103,261 km (0.11 R)
• M50: 20,524,828 km (0.116 R)
• M51: 21,376,788 km (0.063 R)
• M52: 21,663,268 km (0.097 R)
• M53: 22,095,456 km (0.11 R)
• M54: 22,336,907 km (0.097 R)
• M55: 22,530,636 km (0.095 R)
• M56: 22,919,740 km (0.097 R)
• M57: 23,066,196 km (0.091 R)
• M58: 23,852,782 km (0.113 R)
• M59: 24,050,850 km (0.116 R)
• M60: 24,598,228 km (0.046 R)
• M61: 24,698,160 km (0.11 R)
• M62: 24,898,621 km (0.091 R)
• M63: 25,200,061 km (0.12 R)
• M64: 26,214,035 km (0.106 R)
• M65: 26,469,548 km (0.099 R)
• M66: 26,777,271 km (0.06 R)
• M67: 26,931,656 km (0.098 R)
• M68: 27,034,729 km (0.057 R)
• M69: 27,344,696 km (0.025 R)
• M70: 27,603,799 km (0.114 R)
• M71: 28,229,268 km (0.085 R)
• M72: 28,386,346 km (0.077 R)
• M73: 28,859,224 km (0.098 R)
• M74: 29,866,467 km (0.037 R)
• M75: 29,973,130 km (0.118 R)
• M76: 31,209,108 km (0.096 R)
• M77: 31,534,184 km (0.102 R)
• M78: 31,642,792 km (0.11 R)
• M79: 32,024,117 km (0.085 R)
• M80: 32,297,283 km (0.077 R)
• M81: 34,231,583 km (0.047 R)
• M82: 34,734,980 km (0.027 R)
• M83: 35,015,775 km (0.087 R)
• M84: 35,297,318 km (0.106 R)
• M85: 37,922,312 km (0.076 R)
• M86: 38,617,344 km (0.064 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: 286 - 11,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit