🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.72 AU - 1 AU

Year: 296 Days

Day: 41.5 Hours

Environment

Temp: 157 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,811,968 km

• M1: 240,404 km (0.03 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.31 AU - 1.61 AU

Year: 654 Days

Day: 25.9 Hours

Environment

Temp: -33 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.45 AU - 1.97 AU

Year: 829 Days

Day: 43 Hours

Environment

Temp: -55 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.51 AU - 2.45 AU

Year: 1033 Days

Day: 45.1 Hours

Environment

Temp: -81 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,811,968 km

• M1: 156,330 km (0.117 R)
• M2: 192,383 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.38 AU - 3.16 AU

Year: 1710 Days

Day: 19.8 Hours

Environment

Temp: -92 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.87 AU - 3.39 AU

Year: 2054 Days

Day: 36.8 Hours

Environment

Temp: -112 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.4

Radius: 11.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.43 AU - 5.67 AU

Year: 4849 Days

Day: 5.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 71,811,968 km

• M1: 154,684 km (0.118 R)
• M2: 382,671 km (0.085 R)
• M3: 455,825 km (0.078 R)
• M4: 745,297 km (0.099 R)
• M5: 931,247 km (0.094 R)
• M6: 1,023,399 km (0.071 R)
• M7: 1,189,153 km (0.08 R)
• M8: 1,501,215 km (0.103 R)
• M9: 1,991,447 km (0.086 R)
• M10: 2,381,449 km (0.093 R)
• M11: 2,492,151 km (0.071 R)
• M12: 2,623,348 km (0.108 R)
• M13: 3,627,300 km (0.09 R)
• M14: 3,841,225 km (0.058 R)
• M15: 3,928,141 km (0.116 R)
• M16: 4,394,587 km (0.101 R)
• M17: 5,259,263 km (0.119 R)
• M18: 5,698,781 km (0.08 R)
• M19: 6,303,157 km (0.09 R)
• M20: 6,587,093 km (0.113 R)
• M21: 7,060,870 km (0.056 R)
• M22: 8,152,635 km (0.113 R)
• M23: 8,236,709 km (0.119 R)
• M24: 8,405,605 km (0.066 R)
• M25: 9,034,814 km (0.061 R)
• M26: 9,472,537 km (0.079 R)
• M27: 9,708,902 km (0.113 R)
• M28: 9,827,832 km (0.117 R)
• M29: 10,007,050 km (0.11 R)
• M30: 10,217,535 km (0.035 R)
• M31: 10,581,805 km (0.078 R)
• M32: 11,229,714 km (0.088 R)
• M33: 11,417,160 km (0.058 R)
• M34: 12,305,622 km (0.114 R)
• M35: 13,084,877 km (0.073 R)
• M36: 13,216,373 km (0.107 R)
• M37: 13,846,779 km (0.116 R)
• M38: 14,047,838 km (0.094 R)
• M39: 14,317,414 km (0.05 R)
• M40: 14,964,724 km (0.096 R)
• M41: 15,102,204 km (0.027 R)
• M42: 15,205,726 km (0.116 R)
• M43: 15,378,512 km (0.088 R)
• M44: 16,891,993 km (0.086 R)
• M45: 17,322,685 km (0.058 R)
• M46: 17,467,197 km (0.103 R)
• M47: 18,231,792 km (0.106 R)
• M48: 18,378,697 km (0.095 R)
• M49: 18,710,804 km (0.085 R)
• M50: 19,455,652 km (0.097 R)
• M51: 19,793,893 km (0.066 R)
• M52: 20,935,773 km (0.096 R)
• M53: 21,475,971 km (0.088 R)
• M54: 21,670,000 km (0.108 R)
• M55: 22,294,870 km (0.108 R)
• M56: 22,373,409 km (0.116 R)
• M57: 23,044,654 km (0.089 R)
• M58: 23,203,527 km (0.107 R)
• M59: 23,402,642 km (0.068 R)
• M60: 23,642,298 km (0.1 R)
• M61: 24,164,394 km (0.109 R)
• M62: 24,771,612 km (0.09 R)
• M63: 25,712,433 km (0.104 R)
• M64: 26,623,335 km (0.117 R)
• M65: 26,748,398 km (0.11 R)
• M66: 27,166,525 km (0.115 R)
• M67: 27,586,895 km (0.079 R)
• M68: 28,348,946 km (0.087 R)
• M69: 28,519,188 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.9

Radius: 13.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 8.41 AU - 13.31 AU

Year: 13272 Days

Day: 10.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 71,811,968 km

• M1: 192,084 km (0.085 R)
• M2: 983,456 km (0.12 R)
• M3: 1,279,211 km (0.075 R)
• M4: 1,425,518 km (0.103 R)
• M5: 1,656,198 km (0.095 R)
• M6: 1,762,712 km (0.119 R)
• M7: 2,451,161 km (0.055 R)
• M8: 3,767,323 km (0.076 R)
• M9: 3,873,837 km (0.052 R)
• M10: 4,309,915 km (0.115 R)
• M11: 4,421,515 km (0.071 R)
• M12: 5,308,630 km (0.085 R)
• M13: 5,468,550 km (0.118 R)
• M14: 6,376,759 km (0.096 R)
• M15: 6,761,824 km (0.106 R)
• M16: 6,848,591 km (0.084 R)
• M17: 7,735,108 km (0.117 R)
• M18: 7,962,496 km (0.114 R)
• M19: 8,564,029 km (0.108 R)
• M20: 10,156,199 km (0.042 R)
• M21: 10,606,190 km (0.115 R)
• M22: 10,960,587 km (0.114 R)
• M23: 11,267,712 km (0.073 R)
• M24: 11,995,056 km (0.027 R)
• M25: 13,222,956 km (0.054 R)
• M26: 15,167,429 km (0.101 R)
• M27: 15,681,746 km (0.05 R)
• M28: 15,970,021 km (0.085 R)
• M29: 16,376,479 km (0.092 R)
• M30: 16,963,202 km (0.074 R)
• M31: 17,199,716 km (0.052 R)
• M32: 17,318,497 km (0.08 R)
• M33: 17,916,140 km (0.105 R)
• M34: 22,350,520 km (0.049 R)
• M35: 23,328,741 km (0.086 R)
• M36: 23,856,223 km (0.119 R)
• M37: 24,055,038 km (0.033 R)
• M38: 24,254,452 km (0.099 R)
• M39: 24,454,315 km (0.075 R)
• M40: 25,462,156 km (0.102 R)
• M41: 26,689,457 km (0.053 R)
• M42: 26,826,937 km (0.068 R)
• M43: 28,285,517 km (0.043 R)
• M44: 29,841,035 km (0.111 R)
• M45: 29,983,901 km (0.107 R)
• M46: 30,126,917 km (0.042 R)
• M47: 30,413,546 km (0.088 R)
• M48: 31,933,760 km (0.095 R)
• M49: 32,226,074 km (0.087 R)
• M50: 33,330,406 km (0.097 R)
• M51: 34,148,108 km (0.075 R)
• M52: 34,297,406 km (0.116 R)
• M53: 34,596,901 km (0.042 R)
• M54: 34,972,392 km (0.114 R)
• M55: 36,106,942 km (0.064 R)
• M56: 37,253,610 km (0.091 R)
• M57: 37,638,375 km (0.087 R)
• M58: 39,739,478 km (0.115 R)
• M59: 40,448,272 km (0.087 R)
• M60: 40,606,397 km (0.067 R)
• M61: 40,764,672 km (0.091 R)
• M62: 41,559,186 km (0.11 R)
• M63: 42,439,121 km (0.1 R)
• M64: 43,729,851 km (0.087 R)
• M65: 45,115,427 km (0.11 R)
• M66: 46,102,174 km (0.039 R)
• M67: 46,515,364 km (0.062 R)
• M68: 48,936,306 km (0.035 R)
• M69: 50,204,447 km (0.107 R)
• M70: 50,374,390 km (0.064 R)
• M71: 50,970,687 km (0.076 R)
• M72: 51,912,256 km (0.093 R)
• M73: 51,998,125 km (0.118 R)
• M74: 53,552,298 km (0.049 R)
• M75: 54,160,712 km (0.04 R)
• M76: 55,823,941 km (0.085 R)
• M77: 56,087,982 km (0.11 R)
• M78: 56,617,558 km (0.095 R)
• M79: 56,882,945 km (0.103 R)
• M80: 57,060,069 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.7

Radius: 4.4

Gravity: 30.15 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 12.05 AU - 16.37 AU

Year: 19865 Days

Day: 23.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 71,811,968 km

• M1: 446,400 km (0.071 R)
• M2: 504,594 km (0.053 R)
• M3: 650,452 km (0.081 R)
• M4: 785,838 km (0.099 R)
• M5: 833,111 km (0.119 R)
• M6: 905,666 km (0.085 R)
• M7: 1,216,530 km (0.11 R)
• M8: 1,558,211 km (0.038 R)
• M9: 1,709,006 km (0.101 R)
• M10: 2,289,895 km (0.075 R)
• M11: 2,636,962 km (0.118 R)
• M12: 2,853,131 km (0.046 R)
• M13: 2,963,384 km (0.102 R)
• M14: 3,574,492 km (0.054 R)
• M15: 3,613,985 km (0.111 R)
• M16: 4,098,982 km (0.06 R)
• M17: 4,864,175 km (0.097 R)
• M18: 5,173,394 km (0.034 R)
• M19: 5,904,030 km (0.076 R)
• M20: 6,666,380 km (0.044 R)
• M21: 6,763,918 km (0.099 R)
• M22: 7,918,215 km (0.077 R)
• M23: 8,970,636 km (0.071 R)
• M24: 10,233,990 km (0.098 R)
• M25: 11,610,590 km (0.11 R)
• M26: 11,904,699 km (0.082 R)
• M27: 12,260,742 km (0.073 R)
• M28: 12,560,088 km (0.109 R)
• M29: 13,411,150 km (0.1 R)
• M30: 15,296,681 km (0.11 R)
• M31: 15,489,812 km (0.06 R)
• M32: 16,008,618 km (0.05 R)
• M33: 19,586,400 km (0.099 R)
• M34: 21,499,757 km (0.047 R)
• M35: 21,716,076 km (0.081 R)
• M36: 21,860,587 km (0.089 R)
• M37: 22,005,548 km (0.075 R)
• M38: 22,296,216 km (0.092 R)
• M39: 22,734,688 km (0.118 R)
• M40: 23,917,857 km (0.104 R)
• M41: 25,806,231 km (0.057 R)
• M42: 27,039,666 km (0.045 R)
• M43: 27,195,247 km (0.106 R)
• M44: 27,898,806 km (0.118 R)
• M45: 28,056,033 km (0.092 R)
• M46: 28,687,636 km (0.077 R)
• M47: 28,925,646 km (0.092 R)
• M48: 29,243,990 km (0.081 R)
• M49: 30,448,552 km (0.083 R)
• M50: 32,822,521 km (0.12 R)
• M51: 33,237,805 km (0.057 R)
• M52: 34,073,757 km (0.088 R)
• M53: 34,157,682 km (0.116 R)
• M54: 34,831,770 km (0.096 R)
• M55: 35,851,279 km (0.108 R)
• M56: 35,936,700 km (0.097 R)
• M57: 36,794,494 km (0.094 R)
• M58: 37,485,486 km (0.104 R)
• M59: 38,442,614 km (0.096 R)
• M60: 39,584,045 km (0.116 R)
• M61: 40,380,804 km (0.101 R)
• M62: 40,915,018 km (0.1 R)
• M63: 42,621,630 km (0.101 R)
• M64: 43,165,418 km (0.042 R)
• M65: 44,534,987 km (0.051 R)
• M66: 44,718,693 km (0.109 R)
• M67: 44,994,701 km (0.067 R)
• M68: 45,271,158 km (0.071 R)
• M69: 46,011,368 km (0.099 R)
• M70: 46,848,967 km (0.096 R)
• M71: 48,350,331 km (0.047 R)
• M72: 49,391,682 km (0.032 R)
• M73: 49,676,965 km (0.108 R)
• M74: 51,496,374 km (0.077 R)
• M75: 56,486,660 km (0.118 R)
• M76: 56,585,993 km (0.106 R)
• M77: 58,384,907 km (0.09 R)
• M78: 58,686,497 km (0.045 R)
• M79: 59,999,517 km (0.118 R)
• M80: 60,100,945 km (0.091 R)
• M81: 61,118,060 km (0.101 R)
• M82: 61,424,287 km (0.094 R)
• M83: 61,526,463 km (0.043 R)
• M84: 61,628,788 km (0.119 R)
• M85: 62,963,201 km (0.055 R)
• M86: 63,892,652 km (0.068 R)
• M87: 65,556,031 km (0.081 R)
• M88: 66,918,120 km (0.095 R)
• M89: 67,866,570 km (0.102 R)
• M90: 68,183,568 km (0.088 R)
• M91: 68,289,483 km (0.088 R)
• M92: 69,457,095 km (0.114 R)
• M93: 69,883,299 km (0.094 R)
• M94: 71,489,232 km (0.069 R)
• M95: 71,704,354 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 17,056 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit