🌌 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: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.48 AU - 0.58 AU

Year: 253 Days

Day: 28 Hours

Environment

Temp: -123 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.48 AU - 0.62 AU

Year: 268 Days

Day: 29.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.5

Radius: 13.4

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.67 AU - 1.05 AU

Year: 523 Days

Day: 9.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,348,989 km

• M1: 167,101 km (0.059 R)
• M2: 255,513 km (0.115 R)
• M3: 360,980 km (0.096 R)
• M4: 468,541 km (0.119 R)
• M5: 557,402 km (0.025 R)
• M6: 644,168 km (0.108 R)
• M7: 756,816 km (0.088 R)
• M8: 880,982 km (0.079 R)
• M9: 1,012,628 km (0.056 R)
• M10: 1,099,245 km (0.118 R)
• M11: 1,349,074 km (0.064 R)
• M12: 1,472,193 km (0.082 R)
• M13: 1,603,988 km (0.12 R)
• M14: 1,692,550 km (0.056 R)
• M15: 1,821,504 km (0.118 R)
• M16: 1,919,191 km (0.089 R)
• M17: 2,135,510 km (0.085 R)
• M18: 2,254,590 km (0.118 R)
• M19: 2,451,012 km (0.12 R)
• M20: 2,658,803 km (0.1 R)
• M21: 2,759,333 km (0.049 R)
• M22: 2,855,375 km (0.079 R)
• M23: 3,074,386 km (0.098 R)
• M24: 3,174,168 km (0.088 R)
• M25: 3,287,114 km (0.1 R)
• M26: 3,377,172 km (0.116 R)
• M27: 3,547,714 km (0.102 R)
• M28: 3,714,814 km (0.103 R)
• M29: 3,802,479 km (0.057 R)
• M30: 4,012,065 km (0.049 R)
• M31: 4,134,436 km (0.118 R)
• M32: 4,264,736 km (0.054 R)
• M33: 4,350,156 km (0.076 R)
• M34: 4,489,283 km (0.115 R)
• M35: 4,656,982 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.8

Radius: 8.2

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.68 AU - 1.04 AU

Year: 523 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 72,348,989 km

• M1: 106,813 km (0.091 R)
• M2: 182,061 km (0.085 R)
• M3: 257,608 km (0.108 R)
• M4: 309,069 km (0.088 R)
• M5: 389,553 km (0.11 R)
• M6: 459,265 km (0.117 R)
• M7: 634,744 km (0.033 R)
• M8: 822,339 km (0.027 R)
• M9: 885,619 km (0.118 R)
• M10: 991,684 km (0.099 R)
• M11: 1,123,480 km (0.11 R)
• M12: 1,177,934 km (0.106 R)
• M13: 1,255,725 km (0.097 R)
• M14: 1,487,601 km (0.079 R)
• M15: 1,602,492 km (0.112 R)
• M16: 1,815,819 km (0.066 R)
• M17: 1,899,893 km (0.105 R)
• M18: 2,025,106 km (0.085 R)
• M19: 2,105,590 km (0.11 R)
• M20: 2,545,707 km (0.038 R)
• M21: 2,618,262 km (0.075 R)
• M22: 2,684,085 km (0.117 R)
• M23: 2,810,046 km (0.114 R)
• M24: 2,884,995 km (0.033 R)
• M25: 2,968,321 km (0.082 R)
• M26: 3,029,506 km (0.086 R)
• M27: 3,090,991 km (0.092 R)
• M28: 3,184,041 km (0.116 R)
• M29: 3,309,703 km (0.094 R)
• M30: 3,468,875 km (0.113 R)
• M31: 3,565,815 km (0.117 R)
• M32: 3,671,581 km (0.028 R)
• M33: 3,819,982 km (0.08 R)
• M34: 4,012,514 km (0.119 R)
• M35: 4,071,755 km (0.1 R)
• M36: 4,156,876 km (0.037 R)
• M37: 4,225,392 km (0.102 R)
• M38: 4,407,153 km (0.101 R)
• M39: 4,503,345 km (0.103 R)
• M40: 4,724,600 km (0.085 R)
• M41: 4,868,214 km (0.082 R)
• M42: 4,931,344 km (0.032 R)
• M43: 5,214,832 km (0.109 R)
• M44: 5,298,158 km (0.087 R)
• M45: 5,381,783 km (0.053 R)
• M46: 5,503,556 km (0.074 R)
• M47: 5,635,651 km (0.116 R)
• M48: 5,730,795 km (0.096 R)
• M49: 5,797,516 km (0.091 R)
• M50: 5,941,728 km (0.047 R)
• M51: 5,999,623 km (0.096 R)
• M52: 6,302,259 km (0.05 R)
• M53: 6,710,063 km (0.078 R)
• M54: 6,800,719 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.2

Radius: 13.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.76 AU - 1.1 AU

Year: 588 Days

Day: 10.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,348,989 km

• M1: 175,179 km (0.115 R)
• M2: 266,883 km (0.099 R)
• M3: 352,303 km (0.105 R)
• M4: 437,723 km (0.092 R)
• M5: 560,244 km (0.11 R)
• M6: 697,276 km (0.103 R)
• M7: 800,648 km (0.119 R)
• M8: 902,674 km (0.102 R)
• M9: 1,052,720 km (0.089 R)
• M10: 1,271,283 km (0.081 R)
• M11: 1,392,906 km (0.047 R)
• M12: 1,482,515 km (0.106 R)
• M13: 1,615,956 km (0.116 R)
• M14: 1,729,651 km (0.078 R)
• M15: 1,826,590 km (0.083 R)
• M16: 1,915,451 km (0.083 R)
• M17: 2,000,872 km (0.083 R)
• M18: 2,159,894 km (0.101 R)
• M19: 2,249,054 km (0.117 R)
• M20: 2,651,622 km (0.075 R)
• M21: 2,781,473 km (0.082 R)
• M22: 2,913,568 km (0.064 R)
• M23: 3,030,254 km (0.071 R)
• M24: 3,298,483 km (0.12 R)
• M25: 3,444,790 km (0.076 R)
• M26: 3,580,775 km (0.034 R)
• M27: 3,769,268 km (0.115 R)
• M28: 3,858,279 km (0.115 R)
• M29: 3,954,620 km (0.098 R)
• M30: 4,058,141 km (0.063 R)
• M31: 4,182,457 km (0.041 R)
• M32: 4,354,495 km (0.116 R)
• M33: 4,508,730 km (0.082 R)
• M34: 4,623,921 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555

Radius: 8.7

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.41 AU - 1.77 AU

Year: 1315 Days

Day: 5.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 72,348,989 km

• M1: 129,253 km (0.096 R)
• M2: 240,105 km (0.1 R)
• M3: 343,327 km (0.106 R)
• M4: 412,142 km (0.056 R)
• M5: 595,998 km (0.072 R)
• M6: 733,778 km (0.035 R)
• M7: 800,049 km (0.077 R)
• M8: 946,356 km (0.12 R)
• M9: 1,109,268 km (0.1 R)
• M10: 1,170,903 km (0.105 R)
• M11: 1,233,584 km (0.091 R)
• M12: 1,305,690 km (0.062 R)
• M13: 1,420,731 km (0.119 R)
• M14: 1,573,770 km (0.102 R)
• M15: 1,768,247 km (0.112 R)
• M16: 1,886,878 km (0.114 R)
• M17: 2,229,307 km (0.1 R)
• M18: 2,570,839 km (0.088 R)
• M19: 2,758,286 km (0.117 R)
• M20: 3,026,215 km (0.086 R)
• M21: 3,113,730 km (0.074 R)
• M22: 3,291,452 km (0.119 R)
• M23: 3,472,466 km (0.066 R)
• M24: 3,564,169 km (0.074 R)
• M25: 3,726,633 km (0.036 R)
• M26: 3,939,361 km (0.118 R)
• M27: 4,119,477 km (0.027 R)
• M28: 4,253,367 km (0.094 R)
• M29: 4,790,722 km (0.104 R)
• M30: 5,243,854 km (0.117 R)
• M31: 5,522,405 km (0.077 R)
• M32: 5,589,425 km (0.11 R)
• M33: 5,778,667 km (0.116 R)
• M34: 5,887,574 km (0.083 R)
• M35: 6,246,758 km (0.105 R)
• M36: 6,527,853 km (0.101 R)
• M37: 6,613,123 km (0.074 R)
• M38: 6,770,201 km (0.109 R)
• M39: 7,366,498 km (0.063 R)
• M40: 7,499,640 km (0.073 R)
• M41: 7,573,991 km (0.108 R)
• M42: 7,979,700 km (0.116 R)
• M43: 8,223,545 km (0.11 R)
• M44: 8,438,816 km (0.086 R)
• M45: 8,500,600 km (0.049 R)
• M46: 8,593,650 km (0.095 R)
• M47: 8,702,707 km (0.088 R)
• M48: 8,780,946 km (0.081 R)
• M49: 8,859,336 km (0.078 R)
• M50: 9,064,135 km (0.102 R)
• M51: 9,127,564 km (0.065 R)
• M52: 9,270,730 km (0.094 R)
• M53: 9,720,720 km (0.091 R)
• M54: 10,375,959 km (0.113 R)
• M55: 10,575,373 km (0.105 R)
• M56: 10,927,376 km (0.099 R)
• M57: 11,266,066 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.3

Radius: 13

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.32 AU - 2.8 AU

Year: 2687 Days

Day: 13.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 72,348,989 km

• M1: 163,361 km (0.11 R)
• M2: 248,632 km (0.11 R)
• M3: 374,294 km (0.096 R)
• M4: 471,682 km (0.093 R)
• M5: 726,597 km (0.11 R)
• M6: 1,155,793 km (0.117 R)
• M7: 1,244,056 km (0.041 R)
• M8: 1,404,574 km (0.092 R)
• M9: 1,547,889 km (0.108 R)
• M10: 1,646,325 km (0.118 R)
• M11: 1,901,987 km (0.08 R)
• M12: 2,116,062 km (0.118 R)
• M13: 2,267,904 km (0.04 R)
• M14: 2,597,468 km (0.118 R)
• M15: 2,896,813 km (0.105 R)
• M16: 3,035,191 km (0.061 R)
• M17: 3,318,829 km (0.088 R)
• M18: 3,415,319 km (0.111 R)
• M19: 3,644,055 km (0.115 R)
• M20: 3,727,081 km (0.098 R)
• M21: 3,895,080 km (0.104 R)
• M22: 4,134,287 km (0.062 R)
• M23: 4,378,580 km (0.057 R)
• M24: 4,484,795 km (0.074 R)
• M25: 4,645,612 km (0.111 R)
• M26: 4,936,431 km (0.071 R)
• M27: 5,046,983 km (0.12 R)
• M28: 5,289,631 km (0.118 R)
• M29: 5,536,019 km (0.07 R)
• M30: 5,805,594 km (0.119 R)
• M31: 5,922,580 km (0.089 R)
• M32: 6,020,566 km (0.055 R)
• M33: 6,357,910 km (0.031 R)
• M34: 6,539,073 km (0.107 R)
• M35: 6,906,634 km (0.106 R)
• M36: 7,576,683 km (0.07 R)
• M37: 7,833,244 km (0.097 R)
• M38: 9,204,757 km (0.051 R)
• M39: 9,432,894 km (0.069 R)
• M40: 9,662,975 km (0.028 R)
• M41: 9,801,952 km (0.081 R)
• M42: 9,918,189 km (0.059 R)
• M43: 10,081,700 km (0.096 R)
• M44: 10,482,772 km (0.103 R)
• M45: 10,649,424 km (0.111 R)
• M46: 10,841,058 km (0.098 R)
• M47: 11,300,474 km (0.081 R)
• M48: 11,667,886 km (0.044 R)
• M49: 11,791,155 km (0.06 R)
• M50: 11,939,705 km (0.063 R)
• M51: 12,364,114 km (0.066 R)
• M52: 12,464,644 km (0.111 R)
• M53: 12,616,037 km (0.061 R)
• M54: 12,844,324 km (0.071 R)
• M55: 13,048,225 km (0.089 R)
• M56: 13,202,012 km (0.047 R)
• M57: 13,485,350 km (0.106 R)
• M58: 13,849,023 km (0.104 R)
• M59: 14,163,178 km (0.037 R)
• M60: 14,852,226 km (0.104 R)
• M61: 15,362,505 km (0.074 R)
• M62: 15,443,736 km (0.064 R)
• M63: 15,988,123 km (0.071 R)
• M64: 16,070,402 km (0.09 R)
• M65: 16,705,295 km (0.117 R)
• M66: 16,816,596 km (0.06 R)
• M67: 16,956,021 km (0.105 R)
• M68: 17,067,920 km (0.114 R)
• M69: 17,687,405 km (0.045 R)
• M70: 18,199,778 km (0.091 R)
• M71: 19,297,527 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549

Radius: 6.3

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.91 AU - 11.07 AU

Year: 20714 Days

Day: 20.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 72,348,989 km

• M1: 103,971 km (0.026 R)
• M2: 347,067 km (0.096 R)
• M3: 492,027 km (0.095 R)
• M4: 1,533,229 km (0.045 R)
• M5: 1,964,968 km (0.084 R)
• M6: 2,643,394 km (0.102 R)
• M7: 3,465,883 km (0.09 R)
• M8: 3,743,088 km (0.099 R)
• M9: 4,068,763 km (0.099 R)
• M10: 4,110,052 km (0.094 R)
• M11: 4,617,189 km (0.079 R)
• M12: 5,144,072 km (0.078 R)
• M13: 6,206,068 km (0.102 R)
• M14: 6,786,358 km (0.092 R)
• M15: 6,835,426 km (0.11 R)
• M16: 6,884,793 km (0.09 R)
• M17: 6,934,161 km (0.087 R)
• M18: 8,102,071 km (0.076 R)
• M19: 9,604,333 km (0.108 R)
• M20: 10,161,435 km (0.101 R)
• M21: 12,977,166 km (0.027 R)
• M22: 13,778,712 km (0.077 R)
• M23: 14,154,053 km (0.044 R)
• M24: 14,406,125 km (0.065 R)
• M25: 15,429,375 km (0.106 R)
• M26: 16,015,200 km (0.104 R)
• M27: 16,146,248 km (0.059 R)
• M28: 16,343,717 km (0.089 R)
• M29: 16,940,762 km (0.084 R)
• M30: 17,815,760 km (0.066 R)
• M31: 18,224,611 km (0.113 R)
• M32: 18,361,493 km (0.111 R)
• M33: 18,498,824 km (0.067 R)
• M34: 19,120,852 km (0.093 R)
• M35: 23,068,440 km (0.102 R)
• M36: 26,245,600 km (0.1 R)
• M37: 26,400,284 km (0.025 R)
• M38: 26,555,268 km (0.092 R)
• M39: 26,866,132 km (0.097 R)
• M40: 27,256,433 km (0.102 R)
• M41: 31,343,147 km (0.097 R)
• M42: 32,166,684 km (0.108 R)
• M43: 34,934,095 km (0.065 R)
• M44: 35,616,411 km (0.091 R)
• M45: 35,701,981 km (0.108 R)
• M46: 36,045,158 km (0.089 R)
• M47: 37,951,484 km (0.113 R)
• M48: 38,389,357 km (0.072 R)
• M49: 39,712,849 km (0.105 R)
• M50: 39,890,571 km (0.111 R)
• M51: 40,335,625 km (0.092 R)
• M52: 40,514,245 km (0.09 R)
• M53: 40,603,555 km (0.054 R)
• M54: 40,872,083 km (0.096 R)
• M55: 41,141,060 km (0.085 R)
• M56: 43,040,953 km (0.039 R)
• M57: 43,955,744 km (0.107 R)
• M58: 44,507,611 km (0.06 R)
• M59: 45,339,823 km (0.094 R)
• M60: 45,711,275 km (0.115 R)
• M61: 48,529,549 km (0.108 R)
• M62: 48,909,677 km (0.069 R)
• M63: 49,290,554 km (0.109 R)
• M64: 49,481,441 km (0.068 R)
• M65: 50,055,597 km (0.116 R)
• M66: 50,631,848 km (0.102 R)
• M67: 53,154,367 km (0.09 R)
• M68: 54,037,144 km (0.066 R)
• M69: 54,233,866 km (0.118 R)
• M70: 54,529,471 km (0.069 R)
• M71: 54,726,940 km (0.11 R)
• M72: 56,813,980 km (0.102 R)
• M73: 57,114,373 km (0.063 R)
• M74: 65,523,269 km (0.119 R)
• M75: 65,628,137 km (0.059 R)
• M76: 65,838,172 km (0.083 R)
• M77: 66,891,342 km (0.081 R)
• M78: 67,420,170 km (0.099 R)
• M79: 69,014,584 km (0.107 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: 468 - 19,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit