🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.59 AU - 0.61 AU

Year: 300 Days

Day: 22.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,997,183 km

• M1: 187,446 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.9

Radius: 13

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.66 AU - 0.8 AU

Year: 403 Days

Day: 12.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,997,183 km

• M1: 162,164 km (0.102 R)
• M2: 249,529 km (0.057 R)
• M3: 379,530 km (0.041 R)
• M4: 501,302 km (0.066 R)
• M5: 622,028 km (0.09 R)
• M6: 793,318 km (0.087 R)
• M7: 881,431 km (0.111 R)
• M8: 1,104,182 km (0.081 R)
• M9: 1,195,137 km (0.09 R)
• M10: 1,283,999 km (0.096 R)
• M11: 1,414,448 km (0.059 R)
• M12: 1,539,362 km (0.085 R)
• M13: 1,626,578 km (0.098 R)
• M14: 1,747,453 km (0.09 R)
• M15: 1,931,757 km (0.044 R)
• M16: 2,134,163 km (0.106 R)
• M17: 2,255,487 km (0.099 R)
• M18: 2,379,354 km (0.107 R)
• M19: 2,493,348 km (0.063 R)
• M20: 2,590,736 km (0.096 R)
• M21: 2,695,754 km (0.11 R)
• M22: 2,827,549 km (0.104 R)
• M23: 2,955,156 km (0.049 R)
• M24: 3,039,081 km (0.101 R)
• M25: 3,136,918 km (0.114 R)
• M26: 3,289,208 km (0.091 R)
• M27: 3,376,274 km (0.105 R)
• M28: 3,518,841 km (0.051 R)
• M29: 3,795,747 km (0.116 R)
• M30: 4,058,441 km (0.043 R)
• M31: 4,224,793 km (0.076 R)
• M32: 4,327,118 km (0.05 R)
• M33: 4,452,481 km (0.096 R)
• M34: 4,714,726 km (0.106 R)
• M35: 4,966,500 km (0.1 R)
• M36: 5,121,334 km (0.116 R)
• M37: 5,214,982 km (0.063 R)
• M38: 5,388,216 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.6

Radius: 12.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.86 AU - 1.34 AU

Year: 745 Days

Day: 13.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 67,997,183 km

• M1: 154,385 km (0.079 R)
• M2: 291,566 km (0.027 R)
• M3: 416,181 km (0.091 R)
• M4: 521,199 km (0.115 R)
• M5: 653,144 km (0.07 R)
• M6: 738,565 km (0.085 R)
• M7: 841,638 km (0.062 R)
• M8: 991,983 km (0.088 R)
• M9: 1,137,093 km (0.086 R)
• M10: 1,217,577 km (0.115 R)
• M11: 1,294,919 km (0.045 R)
• M12: 1,390,063 km (0.101 R)
• M13: 1,520,812 km (0.042 R)
• M14: 1,627,475 km (0.113 R)
• M15: 1,707,660 km (0.102 R)
• M16: 1,872,367 km (0.063 R)
• M17: 1,969,007 km (0.114 R)
• M18: 2,154,658 km (0.069 R)
• M19: 2,307,547 km (0.056 R)
• M20: 2,497,237 km (0.116 R)
• M21: 2,651,323 km (0.117 R)
• M22: 2,781,174 km (0.116 R)
• M23: 2,899,207 km (0.101 R)
• M24: 2,976,399 km (0.093 R)
• M25: 3,090,094 km (0.047 R)
• M26: 3,285,169 km (0.084 R)
• M27: 3,402,753 km (0.057 R)
• M28: 3,581,822 km (0.101 R)
• M29: 3,957,163 km (0.115 R)
• M30: 4,114,091 km (0.09 R)
• M31: 4,305,128 km (0.09 R)
• M32: 4,418,074 km (0.034 R)
• M33: 4,613,748 km (0.108 R)
• M34: 4,762,598 km (0.115 R)
• M35: 4,904,417 km (0.066 R)
• M36: 5,081,840 km (0.08 R)
• M37: 5,184,165 km (0.07 R)
• M38: 5,312,968 km (0.12 R)
• M39: 5,408,113 km (0.115 R)
• M40: 5,609,023 km (0.05 R)
• M41: 5,910,612 km (0.036 R)
• M42: 6,054,375 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.6

Radius: 4.1

Gravity: 24.66 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.83 AU - 12.01 AU

Year: 21718 Days

Day: 17.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 67,997,183 km

• M1: 99,632 km (0.075 R)
• M2: 319,541 km (0.064 R)
• M3: 975,677 km (0.104 R)
• M4: 1,074,711 km (0.109 R)
• M5: 1,151,156 km (0.116 R)
• M6: 2,666,283 km (0.117 R)
• M7: 2,700,840 km (0.04 R)
• M8: 3,309,554 km (0.089 R)
• M9: 3,648,393 km (0.116 R)
• M10: 4,117,382 km (0.113 R)
• M11: 5,457,630 km (0.027 R)
• M12: 6,082,799 km (0.072 R)
• M13: 6,636,461 km (0.095 R)
• M14: 7,448,179 km (0.075 R)
• M15: 7,643,703 km (0.037 R)
• M16: 8,139,919 km (0.106 R)
• M17: 8,442,556 km (0.088 R)
• M18: 8,748,932 km (0.101 R)
• M19: 8,955,228 km (0.104 R)
• M20: 9,006,989 km (0.11 R)
• M21: 9,689,753 km (0.05 R)
• M22: 9,849,524 km (0.117 R)
• M23: 11,327,551 km (0.096 R)
• M24: 11,665,193 km (0.059 R)
• M25: 11,778,588 km (0.059 R)
• M26: 12,581,929 km (0.102 R)
• M27: 13,879,690 km (0.069 R)
• M28: 14,849,833 km (0.11 R)
• M29: 15,405,140 km (0.103 R)
• M30: 15,716,603 km (0.051 R)
• M31: 15,967,179 km (0.106 R)
• M32: 16,727,136 km (0.03 R)
• M33: 18,150,410 km (0.031 R)
• M34: 18,810,137 km (0.057 R)
• M35: 20,698,810 km (0.08 R)
• M36: 21,249,330 km (0.037 R)
• M37: 21,595,949 km (0.066 R)
• M38: 21,735,075 km (0.111 R)
• M39: 22,788,094 km (0.101 R)
• M40: 22,929,763 km (0.111 R)
• M41: 24,001,632 km (0.108 R)
• M42: 24,652,383 km (0.036 R)
• M43: 25,162,661 km (0.072 R)
• M44: 25,971,537 km (0.086 R)
• M45: 26,639,641 km (0.097 R)
• M46: 26,788,790 km (0.069 R)
• M47: 27,313,280 km (0.086 R)
• M48: 27,539,173 km (0.06 R)
• M49: 27,614,570 km (0.082 R)
• M50: 29,445,050 km (0.078 R)
• M51: 29,753,820 km (0.081 R)
• M52: 29,986,295 km (0.112 R)
• M53: 31,157,048 km (0.116 R)
• M54: 31,629,478 km (0.099 R)
• M55: 31,708,465 km (0.098 R)
• M56: 31,866,590 km (0.095 R)
• M57: 31,945,877 km (0.048 R)
• M58: 32,263,174 km (0.108 R)
• M59: 32,661,404 km (0.097 R)
• M60: 35,657,999 km (0.071 R)
• M61: 36,152,121 km (0.106 R)
• M62: 36,400,004 km (0.051 R)
• M63: 36,565,609 km (0.11 R)
• M64: 37,230,572 km (0.118 R)
• M65: 37,313,898 km (0.087 R)
• M66: 37,480,849 km (0.064 R)
• M67: 38,067,273 km (0.107 R)
• M68: 38,656,688 km (0.092 R)
• M69: 39,588,982 km (0.09 R)
• M70: 40,271,597 km (0.078 R)
• M71: 42,516,912 km (0.12 R)
• M72: 43,830,680 km (0.065 R)
• M73: 44,183,282 km (0.059 R)
• M74: 44,359,957 km (0.099 R)
• M75: 44,802,618 km (0.096 R)
• M76: 46,228,884 km (0.06 R)
• M77: 47,037,759 km (0.09 R)
• M78: 48,396,108 km (0.091 R)
• M79: 50,966,050 km (0.085 R)
• M80: 51,336,753 km (0.116 R)
• M81: 51,708,354 km (0.099 R)
• M82: 52,641,396 km (0.119 R)
• M83: 53,485,876 km (0.117 R)
• M84: 57,292,693 km (0.087 R)
• M85: 60,008,942 km (0.106 R)
• M86: 61,185,828 km (0.074 R)
• M87: 61,481,284 km (0.059 R)
• M88: 62,568,561 km (0.105 R)
• M89: 63,064,778 km (0.12 R)
• M90: 63,861,685 km (0.119 R)
• M91: 64,862,346 km (0.051 R)
• M92: 66,676,519 km (0.102 R)
• M93: 67,589,964 km (0.1 R)
• M94: 67,691,690 km (0.102 R)
• M95: 67,895,293 km (0.031 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 18,032 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit